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Microprocessor

Microprocessor
CALL instruction is a ______ instruction.

 3 bytes
 1 bytes
 4 bytes
 2 bytes

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Microprocessor
Which of the following is a valid integer constant?

125 + 3
127
127
127

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Microprocessor
DMA is used between

 none
 memory and I/O
 microprocessor and memory
 microprocessor and I/O

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Microprocessor
The data lines of 8085 microprocessor are multiplexed with

None of these
 higher order address lines
 lower order address lines
 status lines

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Microprocessor
It is possible to copy a file in the same directory.

False
True

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Microprocessor
A mask programmed ROM is

 erasable electrically
 programmed by the user
 erasable and programmable
 programmed at the time of fabrication

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