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Microprocessor

Microprocessor
Temporary registers in 8085 are

 H and L.
 D and E.
 W and Z.
 B and C.

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

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

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Microprocessor
Which of the following is not treated as hexadecimal constant by assembler in 8085?

45 H
6 AFH
234
64 H

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Microprocessor
Pick up the programmable interrupt controller from the following

 8257
 8275
 8279
 8259

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Microprocessor
The stack is nothing but a set of

None of these
 reserved I/O address space
 reserved RAM address space
 reserved ROM address space

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Microprocessor
In 8085 name/names of the 16 bit registers is/are

 both A and B.
 program counter.
 none of these.
 stack pointer.

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