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Microprocessor

Microprocessor
The clock speed of 8085 is

 3.2KHz.
 1KHz.
 3.2MHz.
 1MHz.

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Microprocessor
In 8086, _______ uses a mechanism known as an instruction stream queue to implement a pipeline architecture.

 Both ‘b’ and ‘c’
 Bus Interface Unit (BIU)
 Execution Unit (EU)
 None of these

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

 Stack Pointer
 PSW
 D-E
 B-C

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Microprocessor
Which one of the following microprocessor is not an 8-bit microprocessor

 Z-80
 8085
 6502
 68000

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Microprocessor
Which of the following instruction will never affect the zero flag?

 ORA R
 XRA R
 DCX Rp
 DCR R

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Microprocessor
In 8085 microprocessor, in response to RST 7.5 interrupts the execution is transferred to memory location

 0000H
 003CH
 002CH
 0034H

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