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Microprocessor

Microprocessor
Register pair used to indicate memory

 W and Z
 D and E
 B and C
 H and L

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Microprocessor
SUB A instruction in 8085

 sets zero and sign flags
 reset zero and parity flags
 reset carry and sign flags
 sets zero and carry flags

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Microprocessor
PSW stands for

 none
 flag byte
 accumulator contents
 accumulator and flag register contents

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Microprocessor
Which of the following is type declaration statement in C?

s = s + 1
int bar
prin = prin * prin
king = horse + 1

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Microprocessor
In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are

 220 - 1
 20
 220
 220-1

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Microprocessor
Of the following circuits, the one which involves storage is

Decoder
RS Latch
Mux
Nand

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