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Microprocessor

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

True
False

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Microprocessor
I)A total of about one million bytes can be directly addressed by the 8086 microprocessor II)8086 has thirteen 16-bit registers III)8086 has eight flags IV)Compared to 8086, the 80286 provides a higher degree of memory protection Which one of the statements given above are correct?

 2,3&4
 1,2 & 4
 1,3 &4
 1,2 & 3

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Microprocessor
The address bus of any microprocessor is always

 Unidirectional
 Bi-directional
 Either unidirectional or bi-directional
 None

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Microprocessor
Which one of the following ICs is used to interface keyboard and display?

 8259
 8253
 8251
 8279

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Microprocessor
The stack pointer

 may be in RAM or ROM
 resides in microprocessor
 resides in RAM
 resides in ROM

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Microprocessor
The number of status flags present in 8085 microprocessor are

 5
 8
 10
 16

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