Computer Organization and Architecture Online Test 3 – Randomized MCQs

With each visit of this Computer Organization and Architecture online Quiz / Practice Test, the list of MCQs / Objective Questions presented will be different, offering you a diverse set of practice opportunities. This variability encourages you to practice extensively, refining the accuracy of your answers and your overall grasp of the content. By utilizing this resource, you can hone your skills and become more adept at managing time constraints during actual exams.

Test Instructions
Question type	Randomized MCQs.Changes every time you visit the test
Total Number of Questions	30
Time Limit	20 Minutes
Points	1 Point for each Question

Remaining Time: 0 MINUTES

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Question 1 of 30

Q-1.Fragmentation is –

dividing the secondary memory into equal sized f ragments

dividing the main memory into equal size f ragments

fragments of memory words used in a page

fragments of memory words unused in a page

None of these

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Question 2 of 30

Q-2.A memory buffer used to accommodate a speed differential is called

stack pointer

cache

accumulator

disk buffer

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Question 3 of 30

Q-3.A collection of lines that connects several devices is called …………..

bus

peripheral connection wires

Both a and b

internal wires

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Question 4 of 30

Q-4. Computer follows a simple principle called GIGO which means:

garbage input good output

garbage in garbage out

great instructions great output

good input good output.

Your Answer:Correct

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Question 5 of 30

Q-5.The multiplicand register & multiplier register of a hardware circuit implementing booth’s algorithm have (11101) & (1100). The result shall be

(812) 10

(-12) 10

(12) 10

(-812) 10

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Question 6 of 30

Q-6.Information retrieval is faster from

Floppy disk

Magnetic tape

Hard disk

None of the above

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Question 7 of 30

Q-7.Cache memory works on the principle of

Locality of data

Locality of memory

Locality of reference

Locality of reference & memory

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Question 8 of 30

Q-8.A group of bits that tell the computer to perform a specific operation is known as

Instruction code

Micro-operation

Accumulator

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Question 9 of 30

Q-9.The performance of cache memory is frequently measured in terms of a quantity called

Miss ratio.

Hit ratio.

Latency ratio.

Read ratio.

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Question 10 of 30

Q-10.Third generation computers

Were the first to use built-in error detecting device

Used transistors instead of vaccum tubes

Were the first to use neural network

None of the above

Your Answer:Correct

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Question 11 of 30

Q-11.Typical bandwidth of optical fibers is

Order of GHz

Order of KHz

Order of Hz

None of the above

Your Answer:Correct

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Question 12 of 30

Q-12.Program always deals with

logical address

absolute address

physical address

relative address

Your Answer:Correct

Your Answer:Incorrect

Question 13 of 30

Q-13.Assembly language ________.

uses alphabetic codes in place of binary numbers used in machine language

is the easiest language to write programs

need not be translated into machine language

None of these

Your Answer:Correct

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Question 14 of 30

Q-14.The instruction ‘ORG O’ is a

Machine Instruction.

Pseudo instruction.

High level instruction.

Memory instruction.

Your Answer:Correct

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Question 15 of 30

Q-15.Ethernet uses

Bus topology

Ring topology

Mesh topology

None of the above

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Question 16 of 30

Q-16.Which of the following is not hardware:

Magnetic tape

Printer

VDU terminal

Assembler

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Question 17 of 30

Q-17.The communication line between the CPU, memory and peripherals is called a

Bus

line

media

none of these

Your Answer:Correct

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Question 18 of 30

Q-18.Terminal is a:

device to give power supply to computer

point at which data enters or leaves the computer

the last instruction in a program

any input /output device.

Your Answer:Correct

Your Answer:Incorrect

Question 19 of 30

Q-19.In Assembly language programming, minimum number of operands required for an instruction is/are

Zero

One

Two

Both (B) & (C) .

Your Answer:Correct

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Question 20 of 30

Q-20.When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the

stack pointer

accumulator

program counter

stack

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Question 21 of 30

Q-21.CPU does not perform the operation

data transfer

logic operation

arithmetic operation

all of above

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Question 22 of 30

Q-22.C is a) An assembly language

A third generation high level language

A machine language

An assembly language

None of the above

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Question 23 of 30

Q-23.The amount of time required to read a block of data from a disk into memory is composed of seek time, rotational latency, and transfer time. Rotational latency refers to

the time its takes for the platter to make a full rotation

the time it takes for the read-write head to move into position over the appropriate track

the time it takes for the platter to rotate the correct sector under the head

none of the above

Your Answer:Correct

Your Answer:Incorrect

Question 24 of 30

Q-24.The errors that can be pointed out by the compiler are

Syntax errors

Semantic errors

Logical errors

None of the above

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Question 25 of 30

Q-25.A graph preapared by a computer

is its output

is the piece of information to use

is a hard copy

all of the above

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Question 26 of 30

Q-26.If the main memory is of 8K bytes and the cache memory is of 2K words. It uses associative mapping. Then each word of cache memory shall be

11 bits

21 bits

16 bits

20 bits

Your Answer:Correct

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Question 27 of 30

Q-27.The access method used for magnetic tape is_________

Direct

Random

Sequential

None of the above

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Question 28 of 30

Q-28.A binary digit is called a

Bit

Byte

Number

Character

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Question 29 of 30

Q-29.In computers, subtraction is generally carried out by ______.

9’s complement

10’s complement

1’s complement

2’s complement

Your Answer:Correct

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Question 30 of 30

Q-30.Indicate which of the following is not true about an interpreter

Interpreter generates an object program from the source program

Interpreter is a kind of translator

Interpreter analyses each source statement every time it is to be executed

None of the above

Your Answer:Correct

Your Answer:Incorrect

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Computer Organization and Architecture Online Test 3 – Randomized MCQs

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