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Microprocessor

Microprocessor
A microcomputer consists of

All of these
 I/O device
 memory
 a microprocessor

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

 XRI 0FH
 ANI 0FH
 ORI 0FH
 CMA

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

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

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

 7
 16
 10
 13

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

 4.
 2.
 3.
 6.

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Microprocessor
In microprocessor based system I/O ports are used to interface

 the I/P device only
 the I/O devices and memory chips
 all the I/O devices
 the O/P devices only

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