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Microprocessor

Microprocessor
In order to complement the lower nibble of accumulator one can use

 CMA
 ANI 0FH
 XRI 0FH
 ORI 0FH

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

 12
 16
 20
 8

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

False
True

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Microprocessor
The microprocessor issues ALE during first T-state of

 every machine cycle
 memory WRITE cycle only
 memory READ cycle only
 fetch cycle only

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Microprocessor
Which of the data transfer is not possible in microprocessor

 memory to accumulator
 I/O device to accumulator
 accumulator to memory
 memory to memory

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Microprocessor
The address bus of any microprocessor is always

 None
 Unidirectional
 Bi-directional
 Either unidirectional or bi-directional

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