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Microprocessor

Microprocessor
When an 8085 microprocessor is reset, the address bus contains

 003CH
 0043H
 0000H
 002CH

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Microprocessor
Identify the programmable DMA controller from the following

 8253
 8251
 8279
 8257

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Microprocessor
‘Burst refresh’ in DRAM is also called

None of these
Distributed refresh
Hidden refresh
Concentrated refresh

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Microprocessor
Which general register or general register pair is incremented/decremented by 2 during PUSH and POP instructions?

 H-L.
 Stack Pointer.
 D-E.
 Program Counter.

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Microprocessor
The instruction set of a microprocessor

 is specified by the manufacturers
 is stored inside the microprocessor
 is specified by the user
 cannot be changed by the user

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

 80286
 80386
 80486
 Pentium

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