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Microprocessor

Microprocessor
During OPCODE fetch the state of S0 and S1 is

 01
 00
 11
 10

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Microprocessor
Let the content of register C be 00000000 before the instruction DCR C is executed. The content of register C after the after the execution of this instruction will be

 00000000
 11111111
 None
 00000001

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Microprocessor
The control flags in 8086 are:

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

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Microprocessor
A mask programmed ROM is

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

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Microprocessor
Register pair used to indicate memory

 W and Z
 H and L
 B and C
 D and E

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Microprocessor
DMA signal/signals in 8085 is/are

 READY.
 All.
 HOLD.
 HLDA.

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MORE MCQ ON Microprocessor

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