ISC (Commerce)
ISC (Science)
Academic Year: 2025-2026
Date & Time: 27th March 2026, 2:00 pm
Duration: 3h
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Instructions to Candidates
- You are allowed an additional fifteen minutes for only reading the question paper.
- You must NOT start writing during the reading time.
- This question paper has 12 printed pages.
- It is divided into two parts: Part I and Part II.
- It has eleven questions in all.
- Part I is compulsory and has two questions.
- While attempting Multiple Choice Questions in Part I, you are required to write only ONE option as the answer.
- Part II is divided into three sections: A, B and C.
- Each section in Part II has three questions. Any two questions have to be attempted from each section.
- The intended marks for questions are given in brackets [].
According to the Principle of Duality, the Boolean equation Q'•0+P'•Q'+P'• Q = P' will be equivalent to:
Q•0 + P•Q + P•Q' = P
Q'•1 + P•Q' + P•Q' = P'
(Q' + 1)•(P' + Q')•(P' + Q) = P'
(Q' + 0)•(P' + Q')•(P' + Q) = P'
Chapter:
Consider the following statement written in class Student where school_Name is its data member.
static final String school_Name = "Co-Ed School";
Which of the following statements are valid for school_Name?
- All objects of class Student share the same value of school_Name.
- The value of school_Name cannot be changed during program execution.
- The keywords static and final cannot be used together for a variable.
Only I and II
Only II and III
Only I and III
Only III
Chapter:
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Study the given propositions and the statements marked Assertion and Reason that follow. Choose the correct option based on your analysis.
P = You practise regularly
Q = You become skilled
S1 = P => Q
S2 = ~PVQ
Assertion: S1 and S2 are logically equivalent.
Reason: A conditional statement P => Q can be expressed as ~ PVQ.
Both Assertion and Reason are true and Reason is the correct explanation for Assertion.
Both Assertion and Reason are true but Reason is not the correct explanation for Assertion.
Assertion is true and Reason is false.
Both Assertion and Reason are false.
Chapter:
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The Boolean equations a + 1 = a and a • 0 = 0 correspond to ______.
Involution Law
Law of Identity
Distributive Law
Law of Complements
Chapter:
Other Solutions
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CISCE previous year question papers Class 12 Computer Science (Theory) with solutions 2025 - 2026
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