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Microprocessor

Microprocessor
The number of interrupt lines in 8085 is

5
4
3
2

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Microprocessor
In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU.

True
False

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Microprocessor
The microprocessor issues ALE during first T-state of

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

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Microprocessor
Total numbers of output pins in 8085 microprocessor are

 30
 13
 40
 27

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Microprocessor
S0 and S1 pins are used for

 serial communication
 indicating the processor’s status
None of these
 acknowledging the interrupt

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Microprocessor
Bus Interface Unit (BIU) in 8086 performs the following functions:

 Instruction fetch.
 All the above.
 Instruction decoding.
 Arithmatic and Logic operations.

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