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Microprocessor

Microprocessor
Register pair used to indicate memory

 W and Z
 D and E
 H and L
 B and C

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Microprocessor
If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory)

Remains unchanged
Doubles
Increases by 2^(address bits)/addressability
Halves

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Microprocessor
The addressing mode in instruction PUSH B is

 immediate
 direct
 register
 register indirect

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Microprocessor
It is possible to copy a file in the same directory.

False
True

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Microprocessor
Which of the following pair of gates can form a latch?

A pair of cross coupled OR
A pair of cross copled AND
A pair of cross coupled NAND
A cross coupled NAND/OR

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Microprocessor
The five flags in 8085 are designated as

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

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