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Microprocessor

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

 Stack Pointer
 PSW
 B-C
 D-E

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Microprocessor
Register pair used to indicate memory

 D and E
 H and L
 W and Z
 B and C

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Microprocessor
What is the size (in bytes) of Prefetch queue in 8086?

 4.
 6.
 2.
 3.

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Microprocessor
________used to implement the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by setting various bits to form masks or generate output data via the Serial Output Data (SOD) line.

 SIM
 EI
 RIM
 DI

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

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Microprocessor
The data lines of 8085 microprocessor are multiplexed with

None of these
 lower order address lines
 higher order address lines
 status lines

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