CBSE Class 12 Computer Science Exam Pattern

Weightage of marks over different dimensions of the question paper shall be as follows:

A. Weightage to different topics/content units:

Sl noTopicsMarks

1

Review of C++ covered in Class XI 12

2

Object Oriented Programming in C++ 12

3

Data Structure & Pointers 14

4

Data File Handling in C++ 6

5

Databases and SQL 8

6

 

Boolean Algebra 8

7

Communication and Open Source Concepts 10

Total70

B. Weightage to different forms of questions:

Sl noForms of QuestionsMarks for each question

No of questions

Total marks

1Very Short Answer questions (VSA) 01

09

09

2Short answer questions - Type I (SA I) 02

13

26

3Short answer questions - Type II (SA II) 03

05

15

4Long answer questions (LA) 04

05

20

Total

32

70

C. Scheme of Options: There will be no overall choice. All questions are compulsory.

D. Difficulty level of questions:

Sl noEstimated difficulty levelPercentage of marks
1

Easy

15%

2

Average

70%

3

Difficult

15%

  • Based on the above design, two sets of sample papers along with their blue prints and Marking schemes have been included in this document.
  • About 20% weightage has been assigned to questions testing higher order thinking (HOT) skills of learners.

Blue Print:

S.NoUnitVSA (1 mark)SA I (2 marks)SA II (3 marks)LA (4 marks)Total
1Review of C++ covered in Class XI1 (1)

8 (4)

3 (1)

12 (6)

2 Object Oriented Programming in C++ a) Introduction to OOP using C++ 2 (1)

4 (1)

6 (2)

b) Constructor & Destructor 2 (1)

2 (1)

c) Inheritance 4 (1)

4 (1)

3 Data Structure & Pointers a) Address Calculation 3 (1)

3 (1)

b) Static Allocation of Objects 2 (1)

3 (1)

5 (2)

c) Dynamic Allocation of Objects 4 (1)

4 (1)

d) Infix & Postfix Expressions 2 (1)

2 (1)

4

Data File Handling in C++ a) Fundamentals of File Handling 1 (1)

1 (1)

b) Text File 2 (1)

2 (1)

c) Binary Files 3 (1)

3 (1)

5 Databases and SQL a) Database Concepts 2 (1)

2 (1)

b) Structured Query Language 2 (1)

4 (1)

6 (2)

6 Boolean Algebra a) Introduction to Boolean Algebra & Laws 2 (1)

2 (1)

b) SOP & POS 1 (1)

1 (1)

c) Karnaugh Map 3 (1)

3 (1)

d) Basic Logic Gates 2 (1)

2 (1)

7 Communication & Open Source Concepts a) Introduction to Networking 2 (2)

2 (2)

b) Media,Devices,Topologies & Protocols 4 (1)

4 (1)

c) Security 2 (2)

2 (2)

d) Webservers1 (1)

1 (1)

e) Open Source Terminologies 1 (1)

1 (1)

Total9 (9)26 (13)15 (5)20 (5)70 (32)

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