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Microprocessor

Microprocessor
The number of output pins in 8085 microprocessors are

 21.
 27.
 19.
 40.

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Microprocessor
The multiplexing of address bus and data buses is used in

 never multiplexed.
 none of these.
 all the microprocessors.
 depends on the internal architecture.

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Microprocessor
Which components are NOT found on chip in a microprocessor but may be found on chip in a microcontroller?

 EPROM, USART & PORTS
 SRAM & USART
 SRAM, EPROM & PORTS
 EPROM & PORTS

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Microprocessor
In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU.

True
False

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Microprocessor
A single instruction to clear the lower nibble of accumulator in 8085 language assembly is

 XRI FOH
 XRI 0FH
 ANI F0H
 ANI OFH

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

 PAL
 PROM
 PLA
 PLD

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