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Microprocessor

Microprocessor
The five flags in 8085 are designated as

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

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Microprocessor
In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are

 220 - 1
 220
 220-1
 20

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Microprocessor
The execution of RST n instruction causes the stack pointer to

 increment by two
None of these
 decrement by two
 remain unaffected

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Microprocessor
SUB A instruction in 8085

 sets zero and carry flags
 reset carry and sign flags
 sets zero and sign flags
 reset zero and parity flags

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Microprocessor
Which general register or general register pair is incremented/decremented by 2 during PUSH and POP instructions?

 H-L.
 Stack Pointer.
 D-E.
 Program Counter.

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Microprocessor
The control flags in 8086 are:

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

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