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Microprocessor

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

 PAL
 PROM
 PLD
 PLA

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Microprocessor
In Fortran 77 a variable name can contain special characters.

True
False

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Microprocessor
The content of the A15-A8 (higher order address lines) while executing “IN 8-bit port address” instruction are

 all bits set (i.e. FFH)
 irrelevant
 all bits reset (i.e. 00H)
 same as the content of A7-A0

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Microprocessor
Length of the instruction POP D is

 4 byte
 1 byte
 3 byte
 2 byte

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Microprocessor
Which memory has read operation, byte erase, byte write and chip erase?

UVEPROM
Both B and C
EEPROM
RAM

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

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