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Microprocessor

Microprocessor
How many T-states are required for execution of OUT 80H instruction?

 16
 10
 7
 13

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Microprocessor
An 8-bit microprocessor signifies that

 8-interrupt lines
 8-bit data bus
 8-bit controller
 8-bit address bus

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Microprocessor
The address bus of any microprocessor is always

 Bi-directional
 None
 Unidirectional
 Either unidirectional or bi-directional

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Microprocessor
CALL instruction is a ______ instruction.

 3 bytes
 4 bytes
 2 bytes
 1 bytes

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Microprocessor
Which of the following is not treated as hexadecimal constant by assembler in 8085?

45 H
234
6 AFH
64 H

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Microprocessor
A bus connected between the CPU and main memory that permits transfer of information between main memory and the CPU is known as

 Control bus
 Address bus
 DMA bus
 Memory bus

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