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Dear candidates you will find MCQ questions of Computer Architecture here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

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Mr. Dubey • 51.17K Points
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Q. 1) The               format is usually used to store data.

(A) bcd

(B) decimal

(C) hexadecimal

(D) octal

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Correct answer:
Option (A) - bcd

Explanation:

 the data usually used by computers have to be stored and represented in a particular format for ease of use.

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Mr. Dubey • 51.17K Points
Coach

Q. 2) The 8-bit encoding format used to store data in a computer is

(A) ascii

(B) ebcdic

(C) anci

(D) uscii

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Correct answer:
Option (B) - ebcdic

Explanation:

 the data to be stored in the computers have to be encoded in a particular way so as to provide secure processing of the data.

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Mr. Dubey • 51.17K Points
Coach

Q. 3) A source program is usually in

(A) assembly language

(B) machine level language

(C) high-level language

(D) natural language

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Correct answer:
Option (C) - high-level language

Explanation:

 the program written and before being compiled or assembled is called as a source program.

M

Mr. Dubey • 51.17K Points
Coach

Q. 4) Which memory device is generally made of semiconductors?

(A) ram

(B) hard-disk

(C) floppy disk

(D) cd disk

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Correct answer:
Option (A) - ram

Explanation:

 memory devices are usually made of semiconductors for faster manipulation of the contents.

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Mr. Dubey • 51.17K Points
Coach

Q. 5) The small extremely fast, RAM’s are called as

(A) cache

(B) heaps

(C) accumulators

(D) stacks

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Correct answer:
Option (A) - cache

Explanation:

 these small and fast memory devices are compared to ram because they optimize the performance of the system and they only keep files which are required by the current process in them

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Mr. Dubey • 51.17K Points
Coach

Q. 6) The ALU makes use of                 to store the intermediate results.

(A) accumulators

(B) registers

(C) heap

(D) stack

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Correct answer:
Option (A) - accumulators

Explanation:

 the alu is the computational center of the cpu. it performs all mathematical and logical operations. in order to perform better, it uses some internal memory spaces to store immediate results.

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Mr. Dubey • 51.17K Points
Coach

Q. 7) The control unit controls other units by generating

(A) control signals

(B) timing signals

(C) transfer signals

(D) command signals

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Correct answer:
Option (B) - timing signals

Explanation:

 this unit is used to control and coordinate between the various parts and components of the cpu.

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Mr. Dubey • 51.17K Points
Coach

Q. 8)               are numbers and encoded characters, generally used as operands.

(A) input

(B) data

(C) information

(D) stored values

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Correct answer:
Option (B) - data

Explanation:

 none.

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Mr. Dubey • 51.17K Points
Coach

Q. 9) The Input devices can send information to the processor.

(A) when the sin status flag is set

(B) when the data arrives regardless of the sin flag

(C) neither of the cases

(D) either of the cases

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Correct answer:
Option (A) - when the sin status flag is set

Explanation:

 the input devices use buffers to store the data received and when the buffer has some data it sends it to the processor.

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Mr. Dubey • 51.17K Points
Coach

Q. 10)               bus structure is usually used to connect I/O devices.

(A) single bus

(B) multiple bus

(C) star bus

(D) rambus

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Correct answer:
Option (A) - single bus

Explanation:

 bus is a bunch of wires which carry address, control signals and data. it is used to connect various components of the computer.

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