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Microprocessor

Microprocessor
A field programmable ROM is called

 MROM
 FROM
 PROM
 FPROM

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Microprocessor
A mask programmed ROM is

 erasable electrically
 programmed by the user
 erasable and programmable
 programmed at the time of fabrication

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Microprocessor
The cycle required to fetch and execute an instruction in a 8085 microprocessor is which one of the following?

 Memory cycle
 Machine cycle
 Instruction cycle
 Clock cycle

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

 B-C
 PSW
 D-E
 Stack Pointer

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Microprocessor
The control flags in 8086 are:

 the direction flag(DF).
 the Trap flag(TF).
All of these
 the interrupt flag(IF).

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

 Stack Pointer
 PSW
 B-C
 D-E

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