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Microprocessor

Microprocessor
In 8086 the number of bytes which can be addressed directly is about

10000
one million
1000
100000

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Microprocessor
Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be

 11000100
 00000100
 010001000
 01000000

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Microprocessor
An I/O processor controls the flow of information between

Cache and main memory
Two I/O devices
Cache memory and I/O devices
Main memory and I/O devices

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Microprocessor
IC 7485 cannot be cascadeD.

False
True

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Microprocessor
Identify the non-programmable interfacing device from the following

 8257.
 8255.
 8295.
 8212.

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

True
False

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