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Microprocessor

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

 PROM
 PAL
 PLA
 PLD

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Microprocessor
After RESET 8255 will be in

 mode 0; all ports are output
 mode 2
 unchanged condition
 mode 0; all ports are input

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Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

 incremented by one.
 transferred to memory address register .
 transferred to address bus.
 transferred to memory data register.

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

Complements
Clears
Can not change
Sets

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Microprocessor
During OPCODE fetch the state of S0 and S1 is

 00
 10
 11
 01

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Microprocessor
A 37 bit mantissa has an accuracy of

8 decimal places
10 decimal places
11 decimal places
6 decimal places

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MORE MCQ ON Microprocessor

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