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Microprocessor

Microprocessor
Which one of the following microprocessor has 16-bit data bus?

 Z-80
 6502
 68000
 8085

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Microprocessor
Identify the non-programmable interfacing device from the following

 8212.
 8255.
 8295.
 8257.

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Microprocessor
PSW stands for

 accumulator and flag register contents
 accumulator contents
 none
 flag byte

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Microprocessor
The clock speed of 8085 is

 3.2KHz.
 1KHz.
 1MHz.
 3.2MHz.

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

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

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Microprocessor
CALL instruction is a ______ instruction.

 2 bytes
 3 bytes
 4 bytes
 1 bytes

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MORE MCQ ON Microprocessor

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