Computer Memory Questions

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1.

Which of the following memory is non-volatile?

A

SRAM

B

DRAM

C

ROM

D

All of the above

E

None of these

Correct Answer: C

ROM is non-volatile memory.

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2.

Any data or instruction entered into the memory of a computer is considered as

A

Storage

B

Output

C

Input

D

Information

E

None of these

Correct Answer: C

None.

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3.

The memory sizes in mainframe computers and advanced technology micro computer are expressed as

A

Bytes

B

Kilobytes

C

Bits

D

Megabytes

E

None of these

Correct Answer: D

None.

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4.

Which of the following is not an advantage of magnetic disk storage?

A

The access time of magnetic disk is much less than that of magnetic tape

B

Disk storage is less expensive than tape storage

C

Disk storage is longer lasting than magnetic tape

D

None of the above

Correct Answer: D

None.

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5.

The 0 and 1 in the binary numbering system are called Binary Digits or

A

Bytes

B

Kilobytes

C

Decimal bytes

D

Bits

E

None of these

Correct Answer: D

In mathematics and digital electronics, a binary number is a number expressed in the base-2 numeral system or binary numeral system, which uses only two symbols: typically 0 (zero) and 1 (one). The base-2 numeral system is a positional notation with a radix of 2. Each digit is referred to as a bit.

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6.

The size of commonly used floppy disk is

A

4.5"

B

3.5"

C

3.25"

D

5.5"

E

None of these

Correct Answer: B

None.

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7.

RAM chips

A

allow the computer to store data electronically

B

store data indefinitely unless you delete it

C

are secondary memory

D

All of the above

Correct Answer: A

None.

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8.

Which memory is non volatile and may be written only once?

A

RAM

B

EEPROM

C

EPROM

D

PROM

Correct Answer: D

A programmable read-only memory (PROM) or field programmable read-only memory (FPROM) or one-time programmable non-volatile memory (OTP NVM) is a form of digital memory where the setting of each bit is locked by a fuse or antifuse. It is one type of ROM (read-only memory). The data in them is permanent and cannot be changed. PROMs are used in digital electronic devices to store permanent data, usually low level programs such as firmware (microcode).

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9.

The memory which is programmed at the time it is manufactured is

A

RAM

B

ROM

C

PROM

D

EPROM

E

None of these

Correct Answer: B

None.

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10.

Which of the following memory is volatile

A

RAM

B

ROM

C

EPROM

D

PROM

Correct Answer: A

RAM is normally associated with volatile types of memory (such as DRAM modules), where stored information is lost if power is removed

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