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Microprocessor

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

 PLD
 PROM
 PAL
 PLA

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Microprocessor
The instruction set of a microprocessor

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

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Microprocessor
EPROMs are preferred for storing programs while developing new microprocessor based system. Because of their

 erasable and programmable characteristic
 non-volatile characteristic
 all the above characteristic
 random access characteristic

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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

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

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Microprocessor
In 8085 name/names of the 16 bit registers is/are

 stack pointer.
 both A and B.
 program counter.
 none of these.

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Microprocessor
If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory)

Increases by 2^(address bits)/addressability
Doubles
Halves
Remains unchanged

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