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Microprocessor

Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 16
 8
 6
 2

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Microprocessor
While INX B instruction execute,

 no flags will be affected
 only carry and zero flags will be affected
 only carry flag will be affected
 all flags will be affected

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Microprocessor
What is the size (in bytes) of Prefetch queue in 8086?

 6.
 4.
 2.
 3.

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Microprocessor
‘Burst refresh’ in DRAM is also called

Hidden refresh
Concentrated refresh
None of these
Distributed refresh

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Microprocessor
How many T-states are required for execution of OUT 80H instruction?

 13
 16
 7
 10

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Microprocessor
Which of the following conditions is not allowed in an RS latch?

R is negated, S is negated
R is asserted, S is asserted
R is negated, S is asserted
R is asserted, S is negated

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