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Microprocessor

Microprocessor
DMA signal/signals in 8085 is/are

 HLDA.
 All.
 HOLD.
 READY.

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

 PSW
 B-C
 D-E
 Stack Pointer

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Microprocessor
The frequency of the driving network connected between pins 1 and 2 of 8085 microprocessor is

 equal to the desired frequency
 twice the desired frequency
None of these
 four times the desired frequency

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Microprocessor
The register which holds the information about the nature of results of arithmetic and logic operations is called as

 Process status register
 Accumulator
 Flag register
 Condition code register

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Microprocessor
An 8-bit microprocessor signifies that

 8-bit address bus
 8-interrupt lines
 8-bit data bus
 8-bit controller

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Microprocessor
The control flags in 8086 are:

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

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