Computer Memory Questions

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51.

A disk's content that is recorded at the time of manufacture and cannot be changed or erased by user is -

A

Read-only

B

Memory-only

C

Run-only

D

Write-only

Correct Answer: A

Read-only.

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52.

A collection of 8 bit is called -

A

Byte

B

Record

C

Word

D

Nibble

Correct Answer: A

Byte.

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53.

Memory in which any location can be reached in a fixed and short amount of time after specifying its address is called -

A

Sequential access memory

B

Random access memory

C

Secondary memory

D

Mass storage

Correct Answer: B

Random access memory.

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54.

Instructions and memory address are represented by

A

Character code

B

Binary codes

C

Binary word

D

Parity bit

Correct Answer: B

None.

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55.

A storage area used to store data to a compensate for the difference in speed at which the different units can handle data is

A

Memory

B

Buffer

C

Accumulator

D

Address

Correct Answer: B

None.

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56.

Which of the following will happen when data is entered into a memory location?

A

It will add to the content of the location.

B

It will change the address of the memory location.

C

It will erase the previous content.

D

It will not be fruitful if there is already some data at the location.

Correct Answer: C

None.

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57.

The amount of data that a disk may contains known as the disk's?

A

Volume

B

Size

C

Tracking Unit

D

Storage capacity

Correct Answer: D

The total amount of information that a storage device or disc can hold, is known as its storage capacity. It is measure in bits or bytes.

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58.

Magnetic storage devices can represent binary 0 by the absence of?

A

A magnetic field

B

Magnetic tape

C

Static electricity

D

It cannot possible.

Correct Answer: B

Magnetic storage devices can represent binary 0 by the absence of Magnetic tape.

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59.

Magnetic tape is a?

A

Random access medium

B

A parallel access medium

C

Universal Access medium

D

Serial access medium

Correct Answer: D

Magnetic tape is a Serial access medium.

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60.

Which storage device has the largest capacity in MB's?

A

A floppy disk

B

A CD-ROM

C

Magnetic tape storage

D

Equal Capacity

Correct Answer: B

Storage Capacity of Floppy Disc = 1.44 Megabytes. Storage Capacity of CD-ROM = 650 Megabytes (Approx.).

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