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Microprocessor

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

 PROM
 PLA
 PAL
 PLD

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Microprocessor
Which of the following is not treated as hexadecimal constant by assembler in 8085?

45 H
234
64 H
6 AFH

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Microprocessor
Bus Interface Unit (BIU) in 8086 performs the following functions:

 Arithmatic and Logic operations.
 Instruction decoding.
 All the above.
 Instruction fetch.

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Microprocessor
SPHL instruction copies the content of H-L register pair to the _________.

 D-E
 Stack Pointer
 B-C
 PSW

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Microprocessor
A structure that stores a number of bits taken “together as a unit” is a

Gate
Mux
Register
Decoder

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Microprocessor
A mask programmed ROM is

 programmed by the user
 erasable electrically
 programmed at the time of fabrication
 erasable and programmable

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