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Microprocessor

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

 Pentium
 80486
 80286
 80386

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Microprocessor
In an intel 8085A, which is the first machine cycle of an instruction?

 A memory read cycle
 An op-code fetch cycle
 A memory write cycle
 An I/O read cycle

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Microprocessor
‘Burst refresh’ in DRAM is also called

None of these
Concentrated refresh
Hidden refresh
Distributed refresh

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Microprocessor
In an 8085 microprocessor based system, the contents of SP are 1000H, PUSH B instruction will transfer the contents of registers B & C respectively for memory locations

 0FFE H and 0FFF H
 0FFF H and 0FFE H
 1000 H and 0FFF H
 1000 H and 1001 H

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Microprocessor
Number of Hex digits needed to represent the 20-bit address of a memory location are

 4
 5
 16
 20

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Microprocessor
Pick out the matching pair

 S0;S1;wait status
 HOLD; DMA
 READY; RIM
 SID; SIM

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