CBSE Class 12 CS 083 Sample QP 2023-24 (Additional) with Solution

Preparing for board exams becomes much easier with the right practice material, and the CBSE Class 12 Computer Science (083) Additional Sample Question Paper 2023-24 with Solution is a perfect resource for students. This sample paper is designed according to the latest CBSE syllabus and exam pattern, helping students understand the types of questions that can be asked in the final exam. It covers important topics like Python programming, data structures, SQL queries, and networking, ensuring complete revision in a structured way. Solving this paper not only improves problem-solving skills but also boosts confidence before the examination.

Along with the Class 12 Computer Science Code 083 question paper, detailed solutions are provided to help students learn the correct approach to answering each question. These solutions are explained in a simple and easy-to-understand manner, making it beneficial for both self-study and classroom use. Teachers can also use this sample paper as a valuable teaching aid to guide students effectively. Regular practice with such additional sample papers helps in time management, accuracy, and better performance in the CBSE Class 12 Computer Science board exam.

CBSE Class 12 CS 083 Additional Sample QP 2023-24 with Solution

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The Year-Wise CBSE Class 12 Computer Science (083) Pre-Board and Sample Question Papers with Solutions are provided at the bottom of this post.

CBSE Class 12 CS 083 Additional Sample Question Paper Session (2023-24)

CBSE | DEPARTMENT OF SKILL EDUCATION

COMPUTER SCIENCE (SUBJECT CODE - 083)

Sample Question Paper (SQP) Solution for Class XII (Session 2023-2024)

Max. Time: 3 Hours

Max. Marks: 60

General Instructions:

1. Please check this question paper contains 35 questions.
2. The paper is divided into 5 Sections- A, B, C, D and E.
3. Section A, consists of 18 questions (1 to 18). Each question carries 1 Mark.
4. Section B, consists of 7 questions (19 to 25). Each question carries 2 Marks.
5. Section C, consists of 5 questions (26 to 30). Each question carries 3 Marks.
6. Section D, consists of 2 questions (31 to 32). Each question carries 4 Marks.
7. Section E, consists of 3 questions (33 to 35). Each question carries 5 Marks.
8. All programming questions are to be answered using Python Language only.

SECTION A

1. Which of the following is an invalid identifier to be used in Python?

a) per%marks

b) _for

c) While

d) true

2. What is the correct way to add an element to the end of a list in Python?

a) list.add(element)

b) list.append(element)

c) list.insert(element)

d) list.extend(element)

3. What will be the output of

print("Welcome To My Blog"[2:6] + "Welcome To My Blog"[5:9])

a) Lcomme

b) lcomme T

c) lcomme To

d) lcomme

4. Which of the following statements is false?

a) A try-except block can have more than one except statement

b) One block of except statement cannot handle multiple exceptions

c) The finally block is always executed

d) When 1 == "1" is executed, no exception is raised

5. Which of the following statement(s) would give an error during the execution of the following code?

R = {'pno':52,'pname':'Virat', 'expert':['Badminton','Tennis'] ,'score':(77,44)}

print(R) #Statement 1

R['expert'][0]='Cricket' #Statement 2

R['score'][0]=50 #Statement 3

R['pno']=50 #Statement 4

a) Statement 1

b) Statement 2

c) Statement 3

d) Statement 4

6. Which pickle module method is used to write a Python object to a binary file?

a) save()

b) serialize()

c) store()

d) dump()

7. Given the following dictionaries

dict_student = {"rno" : "53", "name" : 'Rajveer Singh'}

dict_marks = {"Accts" : 87, "English" : 65}

Which statement will append the contents of dict_marks in dict_student?

a) dict_student + dict_marks

b) dict_student.add(dict_marks)

c) dict_student.merge(dict_marks)

d) dict_student.update(dict_marks)

8. Which of the following is not a component of the math module in Python?

a) ceil()

b) mean()

c) fabs()

d) pi

9. What will be the output of the following code?

L=["One , Two", "Three", "Four"]

print(len(L)/2*len(L[0]))

a) 6.5

b) 13

c) 13.5

d) 6.0

10. Expand the following terms:

(i) PPP - 

(ii) VoIP - 

11. Which SQL operator performs pattern matching?

a) BETWEEN operator

b) LIKE operator

c) EXISTS operator

d) =

12. Which Python function is used for displaying only one result set from SQL table in a database?

a) fetch1()

b) fetchno()

c) fetchall()

d) fetchone()

13. Which of the following file opening mode in Python, generates an error if the file does not exist?

a) a

b) r

c) w

d) w+

14. The correct syntax of seek() is:

a) file_object.seek(offset [, reference_point])

b) seek(offset [, reference_point])

c) seek(offset, file_object)

d) seek.file_object(offset)

15. Which of the following statements is false?

a) SMTP and POP protocols are used in email communication.

b) URL of a page is not always the same as its domain name.

c) HTTPS is safer than HTTP.

d) Interlinking of collection of webpages is called Internet.

16. Fill in the blank:

_______ protocol provides access to services hosted on a remote computer.

a) FTP

b) PPP

c) Telnet

d) SMTP

Q 17 and 18 are ASSERTION AND REASONING based questions. Mark the correct choice as

a) Both A and R are true and R is the correct explanation for A

b) Both A and R are true and R is not the correct explanation for A

c) A is True but R is False

d) A is false but R is True

17. Assertion (A): For changes made to a variable defined within a function to be visible outside the function, it should be declared as global.

Reason (R): Variables defined within a function are local to that function by default, unless explicitly specified with the global keyword.

Ans:

18. Assertion (A): A binary file in python is used to store collection objects like lists and dictionaries that can be later retrieved in their original form using pickle module.

Reason (R): Binary files are just like normal text files and can be read using a text editor like Notepad.

Ans:

SECTION B

updated soon

SECTION C

updated soon

SECTION D

updated soon

SECTION E

updated soon

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