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Microprocessor

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

 16
 8
 2
 6

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Microprocessor
An 8-bit microprocessor can have ………….. address lines.

 32
 cannot be predicted
 16
 8

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Microprocessor
While STC instruction executes,

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

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

 2.
 6.
 3.
 4.

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Microprocessor
In a C expression using assignment operators, relational operators and arithmetic operators, the hierarchy of operations (in the absence of parenthesis) is

Relational, assignment, arithmetic
Arithmetic, relational, assignment
Assignment, relational, arithmetic
Arithmetic, assignment, relational

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Microprocessor
The multiplexing of address bus and data buses is used in

 never multiplexed.
 none of these.
 depends on the internal architecture.
 all the microprocessors.

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