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Microprocessor

Microprocessor
Total number of modes the 8253 can work

 6
 8
 4
 12

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Microprocessor
The number of output pins in 8085 microprocessors are

 19.
 21.
 40.
 27.

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Microprocessor
PSW stands for

 none
 flag byte
 accumulator and flag register contents
 accumulator contents

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Microprocessor
A microcomputer consists of

 a microprocessor
 I/O device
 memory
All of these

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Microprocessor
In 8085 microprocessor which one of the following statement is wrong

 there is a pin available for serial output
 there is a pin available for serial input
 serial I/O is possible through SIM and RIM instruction
 serial I/O is not possible

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Microprocessor
Which of the following interrupt is both level and edge sensitive?

 INTR
 RST 7.5
 RST 5.5
 TRAP

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