Class 11 PT I Question Paper 2024-25 Computer Science

PERIODIC TEST
QUESTION PAPER
Question Paper for CBSE Board, KV Schools,
State Board following NCERT Syllabus

PT 1 | PT 2

Question Paper based on NCERT Syllabus
CBSE Board Question Paper / KV Schools Question Paper
PERIODIC TEST – I (2024-25)
CLASS: XI SUB: COMPUTER SCIENCE MM: 40 TIME: 90 MIN.

General Instructions:
- All questions are compulsory.
- Q 1 to 3 and 8 to 10 are of 1 marks each
- Q 4 to 5 and 11 to 18 are of 2 marks each
- Q 6 to 7 are of 4 marks each
- Q 19 to 20 are of 3 marks each.

1. Example of popular OS is: a) Word b) Windows c) Excel d)
Notepad
2. Volatile memory: a) ROM b) RAM. c) PROM d) None of these
3. Data is saved for later access on a) RAM b) Primary memory c)
Secondary Memory d) None of these
4. Draw the block diagram of a computer system.
5. Name two software of proprietary type OR name two software of
open source software category.
6. Name the input or output device used to do the following:
A) To output audio B). To enter textual data
C) To make the hard copy of a text file. D) To display the data or
information E) To enter audio-based command F) To build 3D
models G) To assist a visually-impairedindividual in entering
data
7. Identify the category (system, application, programming tool) of
the following software:
a) Compiler b) Assembler c) Windows10. d) Text editor
8. Write any two system software.
9. Write any two application software
10. Which operating system is installed on your computer at home or
school?
11. Convert (122)10 to octal number

12. Convert (67)10 to binary number

13. Convert (122)10 to hexadecimal number

14. Convert (1101)2 into decimal number

15. Convert (257)8 into decimal number

16. Convert (10101100) 2 to octal number.

17. Write base values of binary, octal and hexadecimal number
system
18. Give full form of ASCII and ISCII
19. Encode the word ‘COMPUTER’ using ASCII and convert the
encode value into binary values
20. What is the advantage of preparing a digital content in Indian
language using UNICODE font?

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