Microprocessors - ECE Questions and Answers

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The size of cache memory in most microcomputers is about

a few bytes

a few kilobytes

a few megabytes

a few gigabytes

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Which of the following computer memories is fastest?

Cache

Primary

Mass storage

Off line back up

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During processing the instructions, data, intermediate results and final results in a computer are held in

CPU

ALU

Primary memory

Secondary memory

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Which of the following is not a valid variable name in C?

p o, t

p o t

po_t

p_ot

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Z flag is reset if an ALU operation results in 0.

True

False

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The power requirements of a DRAM in active and stand by modes is about

350 mW and 5 mW respectively

350 mW each

5 mW each

350 mW and 100 mW respectively

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Which of the following is not a valid real constant in C?

1.2 e 2.0

-2.3 e - 2

-2.3 E 2

-2.3 e 2

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In a computer the instructions, data, intermediate and final results during processing are held in ALU.

True

False

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The number of storage classes in C is