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Microprocessor

Microprocessor
In 8086 the number of bytes which can be addressed directly is about

1000
one million
100000
10000

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Microprocessor
In 8086, _______ uses a mechanism known as an instruction stream queue to implement a pipeline architecture.

 None of these
 Both ‘b’ and ‘c’
 Execution Unit (EU)
 Bus Interface Unit (BIU)

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Microprocessor
SPHL instruction copies the content of H-L register pair to the _________.

 Stack Pointer
 PSW
 B-C
 D-E

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Microprocessor
While STC instruction executes,

 only carry flag will be affected.
 no flags will be affected.
 only carry and zero flags will be affected.
 all flags will be affected.

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Microprocessor
The stack pointer

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

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Microprocessor
The number of interrupt lines in 8085 is

4
2
5
3

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