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Microprocessor

Microprocessor
How many bytes in a zero memory page should be reserved for vectors used by RST instructions?

 64.
 128.
 32.
 16.

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Microprocessor
8085 microprocessor has how many pins

 39.
  40.
  30.
 41.

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Microprocessor
A microprocessor differentiates between op code, data/address at any time by

 the program counter
 the stack pointer
 the sequence in which memory contents are fetched by it
 its internal registers

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Microprocessor
Circuit A is a 1-bit adder; circuit B is a 1 bit multiplier.[Hint: Construct the truth table for the adder and the multiplier]

Circuit B has more gates than circuit A
Circuit A has more gates than circuit B
Circuit A has the same number of gates as circuit B
None of these

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Microprocessor
The stack pointer

 resides in ROM
 may be in RAM or ROM
 resides in RAM
 resides in microprocessor

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

log2 (m)
2^m
2*m
m

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