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Microprocessor

Microprocessor
If m is a power of 2, the number of select lines required for an m-input mux is:

m
2^m
2*m
log2 (m)

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

 6.
 2.
 3.
 4.

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Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

 244
 246
 247
 245

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

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Microprocessor
Which of the following is not a general purpose peripheral?

Programmable interrupt controller
Programmable interval timer
Programmable CRT controller
I/O port

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Microprocessor
Bus Interface Unit (BIU) in 8086 performs the following functions:

 Arithmatic and Logic operations.
 Instruction fetch.
 All the above.
 Instruction decoding.

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