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Microprocessor

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

 PLA
 PROM
 PAL
 PLD

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Microprocessor
Which general register or general register pair is incremented/decremented by 2 during PUSH and POP instructions?

 Program Counter.
 H-L.
 Stack Pointer.
 D-E.

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Microprocessor
The instruction set of a microprocessor

 cannot be changed by the user
 is specified by the manufacturers
 is specified by the user
 is stored inside the microprocessor

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Microprocessor
In an 8085 microprocessor based system, the contents of SP are 1000H, PUSH B instruction will transfer the contents of registers B & C respectively for memory locations

 0FFF H and 0FFE H
 0FFE H and 0FFF H
 1000 H and 0FFF H
 1000 H and 1001 H

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Microprocessor
A microprocessor differentiates between op code, data/address at any time by

 the sequence in which memory contents are fetched by it
 the stack pointer
 the program counter
 its internal registers

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Microprocessor
What is SIM?

 Select interrupt mask.
  Set interrupt mask.
 Sorting interrupt mask.
 None of these.

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