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Microprocessor

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

 PLA
 PLD
 PROM
 PAL

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Microprocessor
The number of interrupt lines in 8085 is

5
2
4
3

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Microprocessor
The microprocessor may be made to exit from HALT state by asserting

 A or B or HOLD line
 any of the five interrupt lines
 READY line
 RESTART

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Microprocessor
The first machine cycle of an instruction is always

 A memory write cycle
 A memory read cycle
 A fetch cycle
 An I/O read cycle

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Microprocessor
Of the following circuits, the one which involves storage is

Decoder
Nand
Mux
RS Latch

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

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

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