Memory and Storage - General Questions (9)

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Memory and Storage - General Questions

65.

What is the major difference between SRAM and DRAM?

A.	DRAMs must be periodically refreshed.
B.	SRAMs can hold data via a static charge, even with power off.
C.	The only difference is the terminal from which the data is removedâ€”from the FET Drain or Source.
D.	Dynamic RAMs are always active; static RAMs must reset between data read/write cycles.

Answer: Option A

Explanation:

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66.

CCD stands for ________.

A.	capacitor charging device
B.	capacitor-capacitor drain
C.	charged-capacitor device
D.	charge-coupled device

Answer: Option D

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67.

Why do most dynamic RAMs use a multiplexed address bus?

A.	It is the only way to do it.
B.	to make it faster
C.	to keep the number of pins on the chip to a minimum

Answer: Option C

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68.

FIFO is formed by an arrangement of ________.

A.	diodes
B.	transistors
C.	MOS cells
D.	shift registers

Answer: Option D

Explanation:

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69.

How many storage locations are available when a memory device has 12 address lines?

A.	144
B.	512
C.	2048
D.	4096

Answer: Option D

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70.

Which of the following best describes EPROMs?

A.	EPROMs can be programmed only once.
B.	EPROMs can be erased by UV.
C.	EPROMs can be erased by shorting all inputs to the ground.
D.	All of the above.

Answer: Option B

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71.

Which is not a removable drive?

A.	Zip
B.	Jaz
C.	Hard
D.	SuperDisk

Answer: Option C

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72.

Which of the following best describes static memory devices?

A.	memory devices that are magnetic in nature and do not require constant refreshing
B.	memory devices that are magnetic in nature and require constant refreshing
C.	semiconductor memory devices in which stored data will not be retained with the power applied unless constantly refreshed
D.	semiconductor memory devices in which stored data is retained as long as power is applied

Answer: Option D

Explanation:

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