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Microprocessor

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

 80286
 80386
 80486
 Pentium

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Microprocessor
The number of hardware interrupts present in 8085 microprocessor are

 8
 16
 10
 5

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Microprocessor
Each instruction in an assembly language program has the following fields 1. Label field 2. Mnemonic field 3. Operand field 4. Comment field What are the correct sequence of these fields?

 2, 4, 1 and 3
 1, 3, 2 and 4
 2, 1, 4 and 3
 1, 2, 3 and 4

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Microprocessor
During the execution of the instruction, the ________tests the status and control flags and updates them based on the results of executing the instruction.

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

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Microprocessor
‘Burst refresh’ in DRAM is also called

None of these
Hidden refresh
Concentrated refresh
Distributed refresh

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Microprocessor
In order to complement the lower nibble of accumulator one can use

 ANI 0FH
 ORI 0FH
 CMA
 XRI 0FH

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