Computer Sciences MCQs Chapter 2 Class 11

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Created on February 22, 2023 By Ali Durrani

Computer Sciences Ch 2 Class 11

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10. Which component of CPU is responsible for performing arithmetic and logical operations on numeric data?

ALU

Control unit

None

2 / 19

I I. CPU is an example of:

Software

Hardware

Input unit

Output unit

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5. Which component of a computer decodes and executes program consuvetions?

Main memory

Control unit

Bus interconnection

ALU

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9. The program that contains instructions to operate a device is called:

Device driver

Device Operator

Device linking

Device system

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6. The component of computer that stores data and program while these are being executed is called:

Main memory

Control unit

Bus interconnection

ALU

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17. The cells of memory are logically organized into group of

4-bits

5-bits

7-bits

8-bits

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4. Which one is the brain of computer?

RAM

CPU

Motherboard

System unit

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2. A set of instructions that run the computer arc:

Hardware

document

CPUs

Software

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3. The idea of stored program was given by:

Charles Babbage

John Leitbiz

John Von Neumann

Pascal

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1. Data and programs that are not being use by computer are stored in:

Secondary storage

Cache

Primary storage

printer

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15. is the component of CPU:

Main memory

Bus interconnection

ALU

I/O unit

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16. CPU includes all of the following components except?

Main memory

ALU

Control unit

Registers

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18. CPU is an example of:

Software

Hardware

a program

an output unit

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14. Which component of computer is responsible for comparison of two numbers?

ALU

Control unit

Memory

Hard Disk

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The address of instruction under

Program Counter

Memory address registers

Current Instruction Register

Memory Buffer register

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8. A computer drives its basic strength from:

Speed

Memory

Accuracy

All

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12. Which is a storage device?

CPU

Clock

Floppy disk

Bus

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13. Which component of computer coordinates all activities in the computer?

ALU

Control unit

Bus interconnection

Registers

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RAM is a:

Read Only Memory

Volatile memory

Permanent memory

None

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