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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.
ICSE Class 10 Computer Applications Evaluation II Sample Paper 2026-27 with Solutions
A full ICSE Class 10 Computer Applications Evaluation II paper for 2026-27 on methods, constructors, wrapper classes, strings and loops, with a checked answer key, output working and six solved Java programs.
ICSE Class 9 Computer Applications Evaluation II Sample Paper 2026-27 with Solutions
A full ICSE Class 9 Computer Applications Evaluation II paper for 2026-27 on OOP basics, tokens, data types, operators, the Math class and Scanner input, with a checked answer key, step-by-step working and solved Java programs.
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.
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.
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.
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Programming Paradigm – OOP & POP
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Data Input Methods in Java
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Popular ICSE & ISC computer resources
- ICSE Class 10 Computer Applications sample papers
- ICSE Class 9 Computer Applications notes & papers
- ISC Class 12 Computer Science sample papers
- ISC Class 11 Computer Science notes & papers
- ICSE & ISC computer sample papers with solutions
- Previous year computer board papers
- Computer practical papers with solved programs
- Solved Java (BlueJ) programs
Frequently Asked Questions
What is Java4School?
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Java4School is a free study website for ICSE Computer Applications (Class 9 and 10) and ISC Computer Science (Class 11 and 12). It is run by Trushna Tejwani, an ICSE and ISC computer science teacher with more than 15 years of experience and a former .NET and Java software developer, and offers solved sample papers, previous year board papers, practical papers, solved Java programs, notes and practice tests.
Where can I get ICSE Class 10 Computer Applications sample papers with solutions?
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The ICSE Class 10 Computer Applications section of Java4School has full sample papers in the latest CISCE format, with answers for every MCQ and short question and complete solved Java programs for Section B. All papers are free to read online.
What is the paper pattern of ICSE Computer Applications?
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The ICSE Computer Applications paper is for 100 marks and lasts 2 hours. Section A (40 marks) is compulsory and has MCQs and short-answer questions. In Section B (60 marks) students attempt any four of six Java programming questions, each worth 15 marks. Always check the official CISCE specimen paper for your exam year.
What is the paper pattern of ISC Computer Science?
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ISC Computer Science has a 70-mark theory paper of 3 hours and a 30-mark practical exam. The theory paper has a compulsory Part I of short questions and a Part II with sections on Boolean algebra, Java programming and data structures, with internal choice.
Which programming language is used in ICSE and ISC computer exams?
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Both ICSE Computer Applications and ISC Computer Science use Java. Most schools teach it with the BlueJ IDE, and all programs on Java4School are written so they run in BlueJ.
Are Java4School sample papers and notes free?
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Yes. All sample papers, solutions, programs, notes and practice tests on Java4School are free to use.
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