Friday, 10 September 2021

CBSE Class 11 - Informatics Practices - Computer System (MCQs) (#class11InformaticsPRactices)(#eduvictors)(#cbse2021)

CBSE Class 11 - Informatics Practices - Computer System (MCQs)

CBSE Class 11 - Informatics Practices - Computer System (MCQs) (#class11InformaticsPRactices)(#eduvictors)(#cbse2021)

Q1: Which of the following is called brain of the computer?

(a) Keyboard

(b) Computer screen

(c) Processor

(d) Printer


Q2: Which of the following is not the physical component of a computer system?

(a) Primary Memory

(b) Computer Software

(c) CPU

(d) Output Device



Q3: Identify the input device among the following choices?

(a) Touch Screen

(b) Speaker

(c) 3D Printer

(d) Display Monitor



Q4: Identify the output device among the following choices?

(a) Keyboard

(b) Mouse

(c) Scanner

(d) Projector



Q5: The first binary programmable computer was?

(a) Babbage Analytical Engine

(b) Turing Machine

(c) ENIAC

(d) Pascal Engine



Q6: Modern day laptops are based on which principle of computing?

(a) Analytical Engine

(b) Turing Machine

(c) Tabulating Machine

(d) Pascaline



Q7: Name the person who proposed a law that predicted hat the number of transistors on a chip would double every two years while the costs would be halved.

(a) Golden Moore

(b) Herman Hollerith

(c) Alan Turing

(d) Charles Babbage



Q8: Which one of the following is a type of main memory?

(a) Hard Disk

(b) Pen Drive

(c) DVD

(d) RAM



Q9: Who is know as Father of computers?

(a) Golden Moore

(b) Herman Hollerith

(c) Alan Turing

(d) Charles Babbage



Q10: A 4-bit word is called?

(a) Bit

(b) Nibble

(c) Byte

(d) Tera



Q11: 1 KB = ?

(a) 1000 bytes

(b) 1000 bits

(c) 1024 bytes

(d) 1024 bits



Q12: What does USB stands for?

(a) United Serial Bus

(b) Universal Serial Bus

(c) Universal System Bus

(d) United System Bus



Q13: What does ALU in computing denote?

(a) Application and and Logic Unit

(b) Algorithm Logic Unit

(c) Application Layer Unit

(d) Arithmetic Logic Unit



Q14: Which of the following is NOT an example of operating system?

(a) Linux

(b) Macintosh

(c) MS-Word

(d) Android



Q15: Identify the correct statement.

(a) A computer system can work without application software.

(b) The device driver acts as an interface between the device and application software.

(c) Anti-virus is a general purpose software

(d) GIMP is a word processing application.



Q16: Disk defragmenter is an example of 

(a) Application Software

(b) System software 

(c) Utility Software

(d) Operating System




Answer:

1: (c) Processor

2: (b) Computer Software

3: (a) Touch Screen

4: (d) Projector

5: (c) ENIAC

6: (b) Turing Machine

7: (a) Golden Moore

8: (d) RAM

9: (d) Charles Babbage

10: (b) Nibble

11: (c) 1024 bytes

12: (b) Universal Serial Bus

13: (d) Arithmetic Logic Unit

14: (c) MS-Word

15: (a) A computer system can work without application software.

16: (c) Utility Software


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