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Microprocessor

Microprocessor
DMA signal/signals in 8085 is/are

 READY.
 All.
 HOLD.
 HLDA.

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Microprocessor
A single instruction to clear the lower nibble of accumulator in 8085 language assembly is

 XRI FOH
 XRI 0FH
 ANI F0H
 ANI OFH

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Microprocessor
A microprocessor with a 12-bit address bus will be able to access

 4 K bytes
 1 K bytes
 10 K bytes
 8 K bytes

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Microprocessor
An e-mail message can be sent to many recipients.

True
False

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Microprocessor
Both the ALU and control section of CPU employ which special purpose storage location?

 Buffers
 Decoders
 Accumulators
 Registers

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Microprocessor
If m is a power of 2, the number of select lines required for an m-input mux is:

2^m
log2 (m)
m
2*m

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