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Microprocessor

Microprocessor
A microprocessor with a 12-bit address bus will be able to access

 8 K bytes
 10 K bytes
 4 K bytes
 1 K bytes

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Microprocessor
A microcomputer consists of

 a microprocessor
All of these
 I/O device
 memory

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Microprocessor
The operating modes of 8255 A are called

Mode 0, mode 1 and mode 2
Mode 0, mode 2 and mode 3
Mode 0 and mode 2
Mode 0 and mode 1

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Microprocessor
Which of the following instruction is not possible in 8085?

 POP PSW
 POP D
 POP B
 POP 30 H

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Microprocessor
The frequency of the driving network connected between pins 1 and 2 of 8085 microprocessor is

 equal to the desired frequency
None of these
 four times the desired frequency
 twice the desired frequency

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Microprocessor
When the write enable input is not asserted, the gated D latch _________ its output.

Sets
Complements
Can not change
Clears

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