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Microprocessor

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

 32.
 16.
 64.
 128.

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Microprocessor
The address bus of any microprocessor is always

 Either unidirectional or bi-directional
 Bi-directional
 None
 Unidirectional

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Microprocessor
The five flags in 8085 are designated as

Z, C, S, P, AC
Z, CY, S, P and AC
Z, CY, S, D, AC
D, Z, S, P, AC

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Microprocessor
Identify the programmable interval timer from the following

 8252
 8253
 8279
 8275

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Microprocessor
How many segments are there in 8086?

 6.
 3.
 2.
 4.

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Microprocessor
XCHG instruction exchanges the content of H-L with ______ register pair.

 B-C
 Stack Pointer
 PSW
 D-E

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