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Microprocessor

Microprocessor
A field programmable ROM is called

 PROM
 MROM
 FPROM
 FROM

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

 80486
 80386
 Pentium
 80286

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Microprocessor
The address bus of any microprocessor is always

 Bi-directional
 None
 Either unidirectional or bi-directional
 Unidirectional

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Microprocessor
The length of bus cycle in 8086/8088 is four clock cycles, T1, T2, T3, T4 and an indeterminate number of wait state clock cycles denoted by Tw. The wait states are always inserted between

 T4 & T1
 T2 & T3
 T1 & T2
 T3 & T4

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Microprocessor
Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor?

 2, 3, 5
 1, 3, 4
 1, 2, 5
 1, 3, 5

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Microprocessor
A single instruction to clear the lower nibble of accumulator in 8085 language assembly is

 XRI 0FH
 XRI FOH
 ANI OFH
 ANI F0H

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