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Computer Science

Theory, programming, and board prep for ISC Class 11 & 12 — all in one place.

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ISC Practical 2027: College Enrolment Code Validator and Stream Report – Algorithm and Java Program
Practical Papers
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ISC Practical 2027: College Enrolment Code Validator and Stream Report – Algorithm and Java Program

Fully solved ISC Computer Science Practical 2027 question: validate college enrolment codes made of a stream, year and serial number, give the exact reason for each rejection, auto-correct lowercase streams and prepare a stream-wise report.

Trushna Tejwani3 Nov7 min read
ISC Practical 2027: Digital Lock Security Code Analyzer – Algorithm and Java Program
Practical Papers
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ISC Practical 2027: Digital Lock Security Code Analyzer – Algorithm and Java Program

Fully solved ISC Computer Science Practical 2027 number-logic question: for a 5 to 10 digit security code, find the first and last digits, odd and even position sums, product of non-zero digits, digit frequency and classify the code as STRONG, MODERATE or WEAK.

Trushna Tejwani2 Nov7 min read
Boolean Algebra for ISC Class 12: Laws, Canonical SOP and POS, and Simplification
Tutorials
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Boolean Algebra for ISC Class 12: Laws, Canonical SOP and POS, and Simplification

ISC Class 12 Computer Science notes on Boolean algebra: all the laws and theorems, duality, De Morgan's laws, minterms and maxterms, converting to canonical SOP and POS, and step-by-step algebraic simplification with solved examples.

Trushna Tejwani1 Nov13 min read
String Handling in Java for ISC Class 11: Methods, StringTokenizer and Programs
Tutorials
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String Handling in Java for ISC Class 11: Methods, StringTokenizer and Programs

ISC Class 11 Computer Science notes on string handling in Java: the String methods you must know, string immutability, comparing strings, splitting a sentence into words with split() and StringTokenizer, and solved sentence programs.

Trushna Tejwani1 Nov12 min read
Number Systems for ISC Class 11: Conversions, Binary Arithmetic and 2's Complement
Tutorials
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Number Systems for ISC Class 11: Conversions, Binary Arithmetic and 2's Complement

ISC Class 11 Computer Science notes on number systems: converting between decimal, binary, octal and hexadecimal (including fractions), binary addition and subtraction, and 1's and 2's complement, with worked examples.

Trushna Tejwani1 Nov12 min read
ISC Practical 2027: River Basin Rainfall and Flood Warning – Algorithm and Java Program
Practical Papers
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ISC Practical 2027: River Basin Rainfall and Flood Warning – Algorithm and Java Program

Fully solved ISC Computer Science Practical 2027 question: validate a basin code (RB followed by 4 digits), find the digit sum of the basin number and analyse N days of rainfall to decide whether to raise a flood warning.

Trushna Tejwani1 Nov7 min read
ISC Practical 2027: Phishing Message Detector and Encryption – Algorithm and Java Program
Practical Papers
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ISC Practical 2027: Phishing Message Detector and Encryption – Algorithm and Java Program

Fully solved ISC Computer Science Practical 2027 string question: validate a sentence, extract words, count phishing keywords, classify the message as SAFE, SUSPICIOUS or PHISHING ALERT and encrypt it by reversing the keywords.

Trushna Tejwani31 Oct7 min read
7 ISC Practical Programs with Solutions: Circular Prime, Prime-Adam and More
Solved Programs
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7 ISC Practical Programs with Solutions: Circular Prime, Prime-Adam and More

Seven ISC Computer Science practical exam programs with Java solutions: circular prime, consecutive number combinations, Prime-Adam numbers, two matrix programs and two sentence-processing programs. Free PDF with a step-by-step dry run.

Trushna Tejwani30 Oct7 min read
ISC Class 12 Computer Science MCQ Practice Tests (Boolean Algebra & Java)
Practice Tests
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ISC Class 12 Computer Science MCQ Practice Tests (Boolean Algebra & Java)

Five ISC Class 12 Computer Science MCQ practice tests on Boolean algebra, propositional logic, hardware, K-maps, array address calculation and Java output questions, two of them with answer keys. Free PDF download with solved examples.

Trushna Tejwani30 Oct8 min read
ISC Class 12 Computer Science Pre-board Papers (70 Marks)
Sample Papers
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ISC Class 12 Computer Science Pre-board Papers (70 Marks)

Two ISC Class 12 Computer Science pre-board papers of 70 marks: an objective paper on Boolean algebra, propositional logic and K-maps, and a full three-hour theory paper with Parts I and II. Free PDF download with worked Boolean algebra examples.

Trushna Tejwani30 Oct7 min read
ISC Practical 2027: Delivery Zone Orders (2-D Array) – Algorithm and Java Program
Practical Papers
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ISC Practical 2027: Delivery Zone Orders (2-D Array) – Algorithm and Java Program

Fully solved ISC Computer Science Practical 2027 question on a 2-D array of delivery orders: find the zone with the highest total, the above-average days and the days with an increase. Includes the correct output for CISCE’s Example 1, which has errors in the sample.

Trushna Tejwani30 Oct8 min read
ISC Practical 2027: Player Tag Analyzer (Teams and Top Scorer) – Algorithm and Java Program
Practical Papers
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ISC Practical 2027: Player Tag Analyzer (Teams and Top Scorer) – Algorithm and Java Program

Fully solved ISC Computer Science Practical 2027 question: validate player tags of the form NAME-NUMBER, pair players into teams with the same 3-digit number and find the top scorer. Algorithm, documented Java program, verified outputs and exam tips.

Trushna Tejwani29 Oct8 min read
ISC Practical 2027: Account Number Checksum Verifier – Algorithm and Java Program
Practical Papers
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ISC Practical 2027: Account Number Checksum Verifier – Algorithm and Java Program

Fully solved ISC Computer Science Practical 2027 question: validate a 10-digit account number, apply the double-every-second-digit checksum and find the digital root. Includes the algorithm, a documented Java program, verified outputs and exam tips.

Trushna Tejwani28 Oct7 min read
ISC Class 11 Computer Science Evaluation II Sample Paper 2026-27 with Solutions
Sample Papers
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ISC Class 11 Computer Science Evaluation II Sample Paper 2026-27 with Solutions

A full ISC Class 11 Computer Science Evaluation II paper for 2026-27 on Boolean algebra, propositional logic, number systems, the full adder, Java class design and Python, with a checked answer key and complete solutions.

Trushna Tejwani27 Oct13 min read
ISC Class 12 Computer Science Evaluation II Sample Paper 2026-27 with Solutions
Sample Papers
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ISC Class 12 Computer Science Evaluation II Sample Paper 2026-27 with Solutions

A full ISC Class 12 Computer Science Evaluation II theory paper for 2026-27 on Boolean algebra, K-maps, encoders, recursion, deque, linked list and binary trees, with a checked answer key, logic diagrams and solved Java programs.

Trushna Tejwani27 Oct19 min read
ISC Class 11 Computer Science Notes: Propositional Logic and Truth Tables
Tutorials
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ISC Class 11 Computer Science Notes: Propositional Logic and Truth Tables

Complete ISC Class 11 Computer Science notes on propositional logic: propositions, logical connectives, truth tables, tautology, contradiction, converse, inverse and contrapositive, and the laws of logic, with solved examples.

Trushna Tejwani22 Oct13 min read
ISC Class 12 Computer Science Sample Paper 2027 (Theory) with Solutions
Sample Papers
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ISC Class 12 Computer Science Sample Paper 2027 (Theory) with Solutions

A full 70-mark ISC Class 12 Computer Science theory sample paper for 2027 in the latest CISCE format: MCQs, Boolean algebra, K-maps, Java classes, recursion, inheritance, stacks, linked lists and binary trees, with complete step-by-step solutions.

Trushna Tejwani22 Oct28 min read
Sample Papers
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ISC MCQ computer science sample papers free download

ISC MCQ computer science sample papers free download: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani18 Nov5 min
Practice Tests
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ISC MCQ

ISC MCQ: ISC Class 12 Computer Science practice test with important questions to revise before the computer exam.

Trushna Tejwani26 Sept5 min
Practice Tests
isc

ISC MCQ Boolean algebra

ISC MCQ Boolean algebra: ISC Class 12 Computer Science practice test with important questions to revise before the computer exam.

Trushna Tejwani17 Sept5 min
Practice Tests
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ISC MCQ Computer Science- 3 marks questions

ISC MCQ Computer Science- 3 marks questions: ISC Class 12 Computer Science practice test with important questions to revise before the computer exam.

Trushna Tejwani12 Sept5 min
Sample Papers
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ISC specimen paper for semester I (MCQ) computer science

ISC specimen paper for semester I (MCQ) computer science: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani28 Aug5 min
Tutorials
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MCQ for ISC computer science

MCQ for ISC computer science: easy ISC Class 12 Computer Science notes with Java examples for students.

Trushna Tejwani20 Aug5 min
Solved Programs
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ISC 2020 solved program (Object passing as an argument)

ISC 2020 solved program (Object passing as…: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.

Trushna Tejwani15 Jul5 min
Solved Programs
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ISC 2012 Object passing program

A class Combine contains an array of integers which combines two arrays into a single array including the duplicate elements, if any, and sorts the combined array. Some of the members of the class are given below:

Trushna Tejwani14 Jul5 min
Tutorials
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Array address Calculation Single and double dimensional array

Single dimensional arrayAddress=B+W (I-L) B=base addressW=size of the elementI=index of the element whose address is to be calculatedL=Lower boundary of the array

Trushna Tejwani13 May5 min
Solved Programs
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Binary search with Recursion

Binary search with Recursion: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.

Trushna Tejwani26 Apr5 min
Solved Programs
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Fascinating Number program Solved ISC practical 2021 Question 1

Fascinating Number program Solved ISC…: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.

Trushna Tejwani14 Apr5 min
Solved Programs
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Solved ISC practical 2021 Question 3

Solved ISC practical 2021 Question 3: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.

Trushna Tejwani13 Apr5 min
Practical Papers
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ISC computer practical paper 2021

ISC computer practical paper 2021: ISC Class 12 Computer Science practical paper with Java programming questions and solutions.

Trushna Tejwani12 Apr5 min
Sample Papers
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ISC class XI sample paper 2021

Answer all questions in Part I (compulsory) and six questions from Part-II, choosing two questions from Section-A, two from Section-B and two from Section-C.All working, including rough work, should be done on the same sheet as the rest of the answer.The intended marks for questions or parts of ques

Trushna Tejwani12 Apr5 min
Sample Papers
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ISC sample paper 2021

ISC sample paper 2021: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani5 Apr5 min
Solved Programs
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Saddle point program

Write a program in Java to input the size of a square matrix from the user. Then allow the user to fill the matrix with integers. Now do the following:

Trushna Tejwani29 Mar5 min
Solved Programs
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Circular shift program

Circular shiftA class Circular has been signed to print a set of elements in a circular fashion. For example, if input is 1, 2,3,4 output should be:1,2,3,44,1,2,33,4,1,22,3,4,1Class name: CircularShiftData members/ instance variables:list[ ]: store the elementssize: to store the number of elements

Trushna Tejwani22 Mar5 min
Solved Programs
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ISC computer practical 2019 solved Question 2

Write a program to declare a single dimensional array al ] and a square matrix b[ ] ofsize N. where >2 and N<10. Allow the user to input positive integers into the single dimensional array Perform the following tasks on the matrix:(a) Sort the elements of the single dimensional array in ascending or

Trushna Tejwani18 Mar5 min
Solved Programs
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Initials of string : Recursive Program

A class Initials Print has been defined to print the initials of the name. Some of the members of the class are given below:Class name : InitialsPrintData members/instance variables:String initials : to store the initials of the nameMember functions:initialsPrint(): constructor to assign blank to in

Trushna Tejwani15 Mar5 min
Solved Programs
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ISC 2020 program: Convert day number to date

isc 2020 program Design a class Convert to find the date and the month from a given day number for a particular year. Example: If day number is 64 and the year is 2020, then the corresponding date would be: March 4, 2020 i.e. (31 + 29 + 4 = 64).Some of the members of the class are given below:

Trushna Tejwani11 Mar5 min
Practice Tests
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ISC practice test class XI: Best questions

ISC practice test Class 11: ISC Class 11 Computer Science practice test with important questions to revise before the computer exam.

Trushna Tejwani8 Mar5 min
Solved Programs
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Words that start and end with a vowel program: ISC 2016 program

Write a program to accept a sentence which may be terminated by either’.’, ‘?’or’!’ only. The words may be separated by more than one blank space and are in UPPER CASE.

Trushna Tejwani4 Mar5 min
Practice Tests
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ISC practice test for class XI: Best questions

ISC practice test for Class 11: ISC Class 11 Computer Science practice test with important questions to revise before the computer exam.

Trushna Tejwani1 Mar5 min
Solved Programs
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Circular Prime number : An easy ISC practical 2016

A number is said to be prime if it has only two factors I and itself.Example:131311113Hence, 131 is a circular prime.Test your program with the sample data and some random data:

Trushna Tejwani15 Feb5 min
Solved Programs
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Magic number program

Magic number program: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.

Trushna Tejwani11 Feb5 min
Solved Programs
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Smith Number: simple & Easy

Smith Number: solved Java program for ISC Class 11 Computer Science with complete BlueJ code, explanation and sample output.

Trushna Tejwani8 Feb5 min
Solved Programs
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Queue : An easy Data Structure in java

Queue: solved Java program for ISC Class 11 Computer Science with complete BlueJ code, explanation and sample output.

Trushna Tejwani4 Feb5 min
Sample Papers
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Free ISC JAVA sample paper for class XII 2021

Free ISC Java sample paper for Class 12 2021: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani1 Feb5 min
Solved Programs
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Highly Effective Data Structure : Stack

Data Structure: Stack: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.

Trushna Tejwani28 Jan5 min
Solved Programs
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Rotate a Matrix by 90 degree

Rotate a Matrix by 90 degree: solved Java program for ISC Class 11 Computer Science with complete BlueJ code, explanation and sample output.

Trushna Tejwani21 Jan5 min
Solved Programs
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An authentic Adam Number program

Adam Number program: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.

Trushna Tejwani14 Jan5 min
Solved Programs
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ISC 2018 Practical: Gold Bach Number Program

A Gold Bach number is a positive even integer that can be expressed as the sum of two odd primes.Note: All even integer numbers greater than 4 are Gold Bach numbers.Example:6 = 3 + 310 = 3 + 710 = 5 + 5Hence, 6 has one odd prime pair 3 and 3. Similarly, 10 has two odd prime pairs, i.e. 3, 7 and 5, 5

Trushna Tejwani7 Jan5 min
Sample Papers
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Free ISC sample paper 2021

Free ISC sample paper 2021 (Set 3): ISC Class 12 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani31 Dec5 min
Sample Papers
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Free ISC sample paper 2021

Free ISC sample paper 2021 (Set 2): ISC Class 12 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani24 Dec5 min
Sample Papers
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Free ISC JAVA sample paper for class XI

Free ISC Java sample paper for Class 11: ISC Class 11 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani21 Dec5 min
Solved Programs
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Sum of the digits: An intriguing Recursion program

Sum of the digits: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.

Trushna Tejwani21 Dec5 min
Solved Programs
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A Strong MatRev program ISC 2019 Object passing

Design a class MatRev to reverse each element of a matrix. Example:

Trushna Tejwani17 Dec5 min
Sample Papers
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Free ISC sample paper 2021

Free ISC sample paper 2021: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani14 Dec5 min
Solved Programs
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A Wonderful Hourglass Program

Hourglass Program: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.

Trushna Tejwani11 Dec5 min
Solved Programs
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A Sensational Circular Matrix program

Circular Matrix program: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.

Trushna Tejwani9 Dec5 min
Practice Tests
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ISC class XI practice test 1: Interesting way to learn

ISC class XI practice testPart I (20 marks)Q 1. Perform the following conversions (Step by step working has to be written in the answer paper)

Trushna Tejwani5 Dec5 min
Tutorials
icse

Object Oriented Programming: Unleashed

Object Oriented Programming: easy ICSE Class 9 Computer Science notes with Java examples for students.

Trushna Tejwani23 Jul5 min
Tutorials
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Number Conversions : Important for ISC Class XI

Number Conversions: Important for ISC Class 11: easy ISC Class 11 Computer Science notes with Java examples for students.

Trushna Tejwani26 Jun5 min
Solved Programs
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A superb Pendulum array program

For other posts related to array click https://wordpress-343193-1101484.cloudwaysapps.com/array-programs-part-1-icse-computer-applications

Trushna Tejwani19 Jun5 min
Solved Programs
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Interesting Merge two array program

Merge two array program: solved Java program for ISC Class 11 Computer Science with complete BlueJ code, explanation and sample output.

Trushna Tejwani15 Jun5 min
Tutorials
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Astonishing Insertion sort in an array

For other sorting programs clickhttps://wordpress-343193-1101484.cloudwaysapps.com/array-programs-part-1-icse-computer-applications

Trushna Tejwani14 Jun5 min
Solved Programs
icse

A basic Keith Number Program

For example M = 197 is a keith number because, 197 has 3 digits, so n = 3 The number(197)appears in the special sequence that has first three terms as 1, 9, 7 and remaining terms evaluated using sum of previous 3 terms. 1, 9, 7, 17, 33, 57, 107, 197, …..

Trushna Tejwani30 May5 min
Solved Programs
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Factorial of a number (Recursive Function)

To learn more about how to make a program in java watch this video https://youtu.be/TRm9r4gFTho

Trushna Tejwani26 May5 min
Solved Programs
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An easy Program: Transpose of a Matrix

To learn about how to take input in java watch the given video. https://youtu.be/QZKcULOC4lg

Trushna Tejwani25 May5 min
Solved Programs
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A Simple program: Sum of Boundary elements of a Matrix

Write a program to accept a matrix of any size from the user an print the sum of the boundary elements of the matrix.

Trushna Tejwani22 May5 min
Solved Programs
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A super Anticlockwise Circular Matrix program

Anticlockwise Circular Matrix program: solved Java program for ISC Class 11 Computer Science with complete BlueJ code, explanation and sample output.

Trushna Tejwani21 May5 min
Solved Programs
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An excellent String program to count words start and end with a vowel

String program to count words start and end…: solved Java program for ISC Class 11 Computer Science with complete BlueJ code, explanation and sample output.

Trushna Tejwani20 May5 min
Solved Programs
icse

An essential Julian Day Program

watch basic java videos herewww.youtube.com/user/trushntej

Trushna Tejwani19 May5 min
Solved Programs
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Count palindrome words in a sentence: Best program

Check some more java programs https://wordpress-343193-1101484.cloudwaysapps.com/julian-day-program

Trushna Tejwani18 May5 min
Solved Programs
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An Excellent ISBN Number program ISC practical 2013 [Question 1]

ISBN Number program ISC practical 2013…: solved Java program for ISC Class 12 Computer Science with complete BlueJ code, explanation and sample output.

Trushna Tejwani17 May5 min
Tutorials
icse

Array in JAVA

Array is a data structure. It is used to store many values of the same primitive data type or objects.Arrays are used to store multiple values in a single variable, it saves the programmer from declaring separate variables for the values of same data type. Array is a reference data type or user defi

Trushna Tejwani6 May5 min
Solved Programs
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String Program(Convert to palindrome words)

Write a program to accept a sentence and convert all the words in to palindrome words,the words that are already palindrome will remain same. Palindrome words are spelled same from both sides. Mom, dad, Malayalam are few examples of palindrome words.

Trushna Tejwani5 May5 min
Tutorials
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Recursion

Recursion is a programming technique where a function calls itself again and again.Base case: Every recursive function uses a condition to terminate. It is known as base case. As soon as the condition for base case is true the control terminates the function otherwise, it keeps calling the function

Trushna Tejwani4 May5 min
Tutorials
icse

Wrapper classes in JAVA

Wrapper class is a feature in java that enables a data type to be converted in to an object of a class.This gives the programmer to use a lot of functionalities available in these wrapper classes and make java actually an object oriented programming language. Wrapper class is also helpful to have fu

Trushna Tejwani2 May5 min
Tutorials
icse

Exception handling in java

Exception handling:- Exception is an abnormal condition that occurs in a program at runtime. Generally it terminates the program. Few conditions that raises an exception are divide by zero, file not found, number format exception, array out of bound exception

Trushna Tejwani30 Apr5 min
Tutorials
icse

String handling in JAVA

String handling in java:- A string is a data type used to represent text. It is a set of characters enclosed within double quotes. In java String is a class. There are many functions in this class to provide features that helps in string handling. Here is the list of all functions with their return

Trushna Tejwani24 Apr5 min
Solved Programs
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Double Dimensional Array(Matrix) Program I (Maximum minimum element, sum, average)

Double Dimensional Array(Matrix) Program I…: solved Java program for ISC Class 11 Computer Science with complete BlueJ code, explanation and sample output.

Trushna Tejwani16 Apr5 min
Tutorials
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Boolean Algebra for ISC: Learn Effectively

Minterm Minterm is a product of all the literals (in either complement or without complement form). Example if we have two boolean variables X and Y then X.(~Y) is a minterm. we can express complement ~Y as Y’ so, the above minterm can be expressed as XY’ So, if we have two variables then th

Trushna Tejwani12 Apr5 min
Solved Programs
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Lottery Program

The lottery program involves generating random numbers, comparing digits, and using Boolean operators. Suppose you want to develop a program to play lottery. The program randomly generates a lottery of a two-digit number, prompts the user to enter a two-digit number, and determines whether the user

Trushna Tejwani11 Apr5 min
Solved Programs
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Interface program

Write a java program to find the details of the students eligible to enroll for the examination ( Students, Department combinedly give the eligibility criteria for the enrollement class) using interfaces.

Trushna Tejwani10 Apr5 min
Solved Programs
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MCQ result program

Write a program that will grade multiple-choice tests. Assume there are eight students and ten questions, and the answers are stored in a two dimensional array. Each row records a student’s answers to the questions, as shown in the following array. Students’ Answers to the Questions: 0 1 2 3 4 5 6 7

Trushna Tejwani9 Apr5 min
Solved Programs
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Inheritance Abstract class program

Write a java program that implements educational hierarchy using inheritance. In this program abstract class is used. An abstract class can't be instantiated(you can't create an object of these classes). An abstract class is a class which has at least one abstract method. An abstract method can't ha

Trushna Tejwani6 Apr5 min
Solved Programs
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Robot(Inheritance of interfaces): an easy program

Create an abstract class Robot that has the concretre subclasses ,RobotA, RobotB, RobotC. Class RobotA1 extends RobotA, RobotB1 extends RobotB and RobotC1 extends RobotC. There is interface Motion that declares 3 methods forward(), reverse() and stop(), implemented by RobotB and RobotC. Sound interf

Trushna Tejwani5 Apr5 min
Solved Programs
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Interface program: An Exquisite program

Interface Luminious Object has two method lightOn() and lightOff(). There is one class Solid extended by 2 classes Cube and Cone. There is one class LuminiousCone extends Cone and implements Luminoius Interface. LumminuiousCube extends Cube and implements Luminious Interface. Create a object of Lumi

Trushna Tejwani4 Apr5 min
Solved Programs
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Inheritance of Interface: An upbeat program

Interface P is extended by P1 and P2 interfaces. Interface P12 extends both P1 and P2.Each interface declares one method and one constant.

Trushna Tejwani3 Apr5 min
Tutorials
icse

Method Overloading

Method overloading is a feature of java in which one class can have more than one method with the same name but different parameter list(either data type or the number of arguments should be different). * If only return type is different then it can't be considered as function overloading. It can be

Trushna Tejwani2 Apr5 min
Solved Programs
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Abstract class program

Write a java program to create an abstract class named Shape that contains two integers and an empty method named printArea(). Provide three classes named Rectangle, Triangle and Circle such that each one of the classes extends the class Shape. Each one of the classes contain only the method printAr

Trushna Tejwani1 Apr5 min
Solved Programs
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Java Project ATM Machine

java project atm machineUse the Account class created to simulate an ATM machine. Create 10 accounts with id AC001…..AC010 with initial balance 300₹. The system prompts the users to enter an id. If the id is entered incorrectly, ask the user to enter a correct id. Once an id is accepted, display me

Trushna Tejwani31 Mar5 min
Tutorials
icse

An Easy Actual and formal parameters in java

For exampleIn the code given below the concept of actual and formal parameter is used.

Trushna Tejwani29 Mar5 min
Tutorials
icse

Methods/ Functions

Definition of method:- These are also known as functions, procedures, modules, subroutines,sub programs. In simple words it is a collection of statements which are going to perform a particular task. They don't do anything until they are called(executed). They can be used(called)as many number of ti

Trushna Tejwani28 Mar5 min
Tutorials
icse

Constructor

It is a function that has same name as the class name. It can't have any return type , not even void. It is implicitly called whenever an object of a class is called. It is used to initialize the data members of the class

Trushna Tejwani27 Mar5 min
Tutorials
icse

Revision for class X students Array

ICSE computer application revision class x 2020

Trushna Tejwani25 Mar5 min
Board Papers
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ISC COMPUTER SCIENCE PAPER 1 2020 : The best way to revise

ISC Computer Science Paper 1 2020: previous year ISC Class 12 Computer Science board paper for computer exam revision.

Trushna Tejwani24 Mar5 min
Tutorials
icse

Revision for class X students

Icse computer application revision classe x 2020

Trushna Tejwani23 Mar5 min
Tutorials
icse

Revision for class X students

After solving all the number programs you can start solving all the patterns given here. Patterns are asked almost every year in the icse computer application paper for 7 or 8 or 15 marks(for 15 marks two patterns can be asked)

Trushna Tejwani24 Feb5 min
Tutorials
icse

Revision for class X students

In class X ICSE computer application paper 60 marks weightage is allocated to programs.

Trushna Tejwani23 Feb5 min
Solved Programs
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Sum of left diagonal and right diagonal

Write a program to accept a two dimensional array(Square matrix) and calculate the sum of left and right diagonals.

Trushna Tejwani22 Feb5 min
Solved Programs
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Happy Number

Write a program to accept a number and check whether it is a happy number or not.

Trushna Tejwani20 Feb5 min
Practical Papers
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ISC COMPUTER PRACTICAL PAPER 2020

ISC Computer Practical Paper 2020: ISC Class 12 Computer Science practical paper with Java programming questions and solutions.

Trushna Tejwani7 Feb5 min
Tutorials
icse

Data types in JAVA

Data types in Java: easy ICSE Class 10 Computer Science notes with Java examples for students.

Trushna Tejwani3 Feb5 min
Sample Papers
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ISC sample paper 9

ISC sample paper 9: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani1 Feb5 min
Solved Programs
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Armstrong Number with Recursion

Write a program to find the given number is Armstrong number or not with the help of a recursive function.

Trushna Tejwani30 Jan5 min
Sample Papers
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ISC class XI sample paper 5

ISC Class 11 sample paper 5: ISC Class 11 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani16 Jan5 min
Solved Programs
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Evil number

Write a program to check whether the given number is Evil Number or not in Java A number is said to be an Evil number if and only if the binary equivalent of the number is having an even number of 1’s. The entered number must be a whole number.

Trushna Tejwani15 Jan5 min
Practical Papers
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ISC Practical sample paper 3: The best way to learn

ISC practical sample paperThe total time to be spent on the Planning session and Examination session is Three hours. Planning session: 90minutes Examination session: 90 minutes Note: Candidates are to bepermitted to proceed to the Examination Session only after the 90 minutes of the Planning Session

Trushna Tejwani14 Jan5 min
Solved Programs
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Wondrous square program: ISC practical 2005 program

17 24 1 8 15

Trushna Tejwani12 Jan5 min
Practice Tests
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ISC class XI practice paper 3

Q 1. The National college of Journalism is offering courses in three different categories of journalism, which are the print, the web and the broadcasting media.

Trushna Tejwani11 Jan5 min
Solved Programs
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Unique number program

A unique-digit integer is a positive integer (without leading zeros) with no duplicate digits. For example 7, 135, 214 are all unique-digit integers whereas 33, 3121, 300 are not.

Trushna Tejwani9 Jan5 min
Sample Papers
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ISC sample paper class xi: Important questions

ISC sample paper Class 11 (Set 2): ISC Class 11 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani7 Jan5 min
Practical Papers
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ISC Practical sample paper 2 : The best way to learn

The total time to be spent on the Planning session and Examination session is Three hours. Planning session: 90 minutes Examination session: 90 minutes Note: Candidates are to be permitted to proceed to the Examination Session only after the 90 minutes of the Planning Session are over.

Trushna Tejwani6 Jan5 min
Practical Papers
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ISC practical sample paper 1 for class XI : The best way to learn

isc practical sample paperThe total time to be spent on the Planning and the Examination Session is Three hours.

Trushna Tejwani4 Jan5 min
Practice Tests
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ISC class XI Practice Test 2: Interesting way to learn

ISC class xi computer science practice test

Trushna Tejwani1 Jan5 min
Sample Papers
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ISC class XI sample paper 2

ISC Class 11 sample paper 2: ISC Class 11 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani31 Dec5 min
Sample Papers
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ISC class XI sample paper 1

ISC Class 11 sample paper 1: ISC Class 11 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani30 Dec5 min
Practical Papers
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ISC Practical paper 2019

ISC Practical paper 2019: ISC Class 12 Computer Science practical paper with Java programming questions and solutions.

Trushna Tejwani29 Dec5 min
Solved Programs
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An easy Caesar Cipher ISC Practical 2017 Program 3

Write a program to accept a plain text of length L, where L must be greater than 3 and less than 100. Encrypt the text if valid as per the Caesar Cipher. Test your program with the sample data and some random data: Example 1 INPUT : Hello! How are you?OUTPUT: Uryyb? Ubj ner lbh? Example

Trushna Tejwani27 Dec5 min
Tutorials
icse

Class & Object in JAVA

To learn java programs https://wordpress-343193-1101484.cloudwaysapps.com/interface-program

Trushna Tejwani23 Dec5 min
Sample Papers
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ISC sample paper class XI

ISC sample paper Class 11: ISC Class 11 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani23 Dec5 min
Sample Papers
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ISC COMPUTER SCIENCE SAMPLE PAPER 8

Standard: XII Subject: Computer

Trushna Tejwani23 Dec5 min
Board Papers
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A resourceful ISC computer science paper-1(theory-2019)

ISC computer science paper-1(theory-2019): previous year ISC Class 12 Computer Science board paper for computer exam revision.

Trushna Tejwani10 Mar5 min
Sample Papers
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ISC sample paper-7 computer science: Top questions for free

ISC sample paper-7 computer science: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani14 Jan5 min
Practical Papers
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ISC Practical sample paper-2 class 12 : The best way to learn

ISC Practical sample paper-2 Class 12: ISC Class 12 Computer Science practical paper with Java programming questions and solutions.

Trushna Tejwani25 Sept5 min
Practical Papers
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ISC practical sample paper-1 class 12: The best way to learn

ISC practical sample paperThe total time to be spent on the Planning and the Examination Session is Three hours.After completing the Planning Session, the candidate may begin with the Examination Session. A maximum of 90 minutes is permitted to begin the Examination Session.However, if candidates fi

Trushna Tejwani25 Sept5 min
Practice Tests
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ISC Practice test - 6 class 12: Important Questions

ISC Practice test - 6 Class 12: ISC Class 12 Computer Science practice test with important questions to revise before the computer exam.

Trushna Tejwani24 Sept5 min
Practice Tests
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ISC Practice test - 5 class 12: Important Questions

1. What is inheritance? [2]2. Convert the following infix expression to its postfix form. b*[(a/d) – (c * (e-f))] [2]3. Explain the use of keyword “implements”, define interface. [2]4. What is an abstract class? [2]

Trushna Tejwani24 Sept5 min
Practice Tests
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ISC Practice test - 4 class 12: Important Questions

ISC Practice test - 4 Class 12: ISC Class 12 Computer Science practice test with important questions to revise before the computer exam.

Trushna Tejwani24 Sept5 min
Practice Tests
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ISC Practice test - 3 class 12: Important Questions

ISC Practice test - 3 Class 12: ISC Class 12 Computer Science practice test with important questions to revise before the computer exam.

Trushna Tejwani24 Sept5 min
Practice Tests
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ISC Practice test - 2 class 12: Important Questions

Question 1Draw a truth table with a three input combination which outputs 1 if there are odd number of 0’s. Also derive an SOP expression using Karnaugh map. [5]

Trushna Tejwani24 Sept5 min
Practice Tests
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ISC Practice test - 1 class 12: Important Questions

Question 1                                              [10 marks](a) Calculate the dual of the following. [2]X’.(Y+Z)=(X.Y)+(X.Z)(b) Find the compliment of F(a,b)=ab'+a'b [2](c) Write the product of sum of the Boolean function, F(A,B,C) whose output is 0 only when,A=1,B=0,C=0 [2]A=0,B=1,C=0A=0,B=0,

Trushna Tejwani24 Sept5 min
Sample Papers
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ISC sample paper 6: An easy computer science sample paper 6

ISC sample paper 6: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani24 Sept5 min
Sample Papers
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An easy ISC computer science sample paper-5

ISC computer science sample paper-5: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani23 Jul5 min
Sample Papers
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A powerful ISC computer science sample paper-4

Answer all questions in Part I (compulsory) and seven questions from Part-II, choosing three questions from Section-A, two from Section-B and two from Section-C.

Trushna Tejwani23 Jul5 min
Sample Papers
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An Ideal ISC computer science sample paper-3

ISC sample paper      Answer all questions in Part I (compulsory) and seven questions from Part-II, choosing three questions from Section-A, two from Section-B and two from Section-C.

Trushna Tejwani23 Jul5 min
Sample Papers
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An inspirational ISC computer science sample paper-2

ISC computer science sample paper-2: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani23 Jul5 min
Sample Papers
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Free ISC computer science sample paper-1

Free ISC computer science sample paper-1: ISC Class 12 Computer Science sample paper with important questions for computer exam practice.

Trushna Tejwani23 Jul5 min

About ISC Computer Science

ISC Computer Science is studied in Class 11 and 12. It covers number systems, propositional logic and Boolean algebra, Java programming with classes, recursion and inheritance, and data structures such as stacks, queues, linked lists and binary trees.

The exam has a 70-mark theory paper and a 30-mark practical. Boolean algebra and K-maps follow fixed methods that are easy to score with practice, while the programming questions reward clear class design and well-tested code.