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Microprocessor

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

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

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Microprocessor
The address bus width of a microprocessor which is capable of addressing 64 Kbytes of the memory is

 16
 20
 12
 8

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Microprocessor
Total number of modes the 8253 can work

 6
 8
 4
 12

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Microprocessor
Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value?

 ORA A
 CLR A
 SUB A
 MOV A, 00H

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Microprocessor
SUB A instruction in 8085

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

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Microprocessor
CALL instruction is a ______ instruction.

 3 bytes
 1 bytes
 4 bytes
 2 bytes

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