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Microprocessor

Microprocessor
The word size of 8085 microprocessor is

 4-bit
 8-bit
 16-bit
 20-bit

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Microprocessor
DMA signal/signals in 8085 is/are

 READY.
 HLDA.
 HOLD.
 All.

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Microprocessor
The control flags in 8086 are:

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

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Microprocessor
The first microprocessor to include virtual memory in the intel microprocessor family is

 80286
 Pentium
 80386
 80486

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Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

 transferred to memory address register .
 incremented by one.
 transferred to address bus.
 transferred to memory data register.

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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’
 Execution Unit (EU)
 Bus Interface Unit (BIU)
 None of these

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