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Microprocessor

Microprocessor
Identify the communication interfacing device from the following

 8257
 8255
 8251
 8155

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Microprocessor
In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are

 220 - 1
 220
 20
 220-1

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Microprocessor
The first microprocessor to include virtual memory in the intel microprocessor family is

 Pentium
 80486
 80286
 80386

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Microprocessor
A combinational PLD with a programmable AND array and a programmable OR array is called a

 PLA
 PAL
 PROM
 PLD

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

Sets
Can not change
Clears
Complements

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Microprocessor
In 8085, the pins for SID and SOD are

3 and 4 respectively
4 and 3 respectively
4 and 5 respectively
5 and 4 respectively

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