Class 12 Computer Science Previous Year Question Paper 2025

This page contains the ASSEB Class 12 Computer Science Previous Year Question Paper 2025 for exam preparation and practice.

(Theory)

Full Marks : 70

Pass Marks : 21

Time: 3 hours

I.Answer the following (any 8) 1x8=8

(a) Who is OOP?
(b) What is an instance in OOP?
(c) What is Data Encapsulation?
(d) What is Overloading?.

(e) What is Destructor in OOP?
(f) What is class member?
(g) What is Relational Algebra?
(h) What is an Array?
(i) What is Memory Allocation?
(j) What does FIFO mean?
(k) What is Preprocessor directive?
(l) What is Relational Database?
(m) What is Topology?

2)Answer the following questions (any 10) 2x10=20

(a) Define Namespaces.
(b) Define Sorting.
(c) Define POSTFIX notation.
(d) State De-Morgan’s theorems.
(e) What is the use of Optical Fibre?
(f) Describe Satellite Data Communication in Networking.
(g) What can a template in C++ do?
(h) Define a Queue.
(i) What is OSTREAM?
(j) What is Wireless Communication?
(k) Describe Bandwidth.
(l) What is K-map simplification?
(m) What is the use of XML?
(n) What is Boolean Algebra?
(o) What is TCP/IP?

3)Answer any nine from the following 3x9=27

(a) Explain Constructor Overloading

(b) Write the differences between Top-Down and Bottom-Up approaches.
(c) Explain the POP and PUSH operations in Stack.
(d) Describe the Queue and its operations.
(e) Explain Insertion Sorting.
(f) Define column constraints in DBMS.
(g) Explain Client-side scripting.
(h) Write about Logic Gates.
(i) Explain HTML.
(j) Define DDL and DML.
(k) Mention the uses of Co-axial cable.
(l) Differentiate one- and two-dimensional arrays.
(m) Write about Switching Techniques.

4)Answer any three from the following 5x3=15

(a) Explain different clauses used in SQL.
(b) Explain about Domain Names.
(c) Explain Boolean operators.
(d) Write a C++ program to sort numbers entered by the user.
(e) Explain the difference between Traversal and Searching.

(f) What are the differences between SMTP and POP3 protocols?

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