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Microprocessor

Microprocessor
CALL instruction is a ______ instruction.

 1 bytes
 2 bytes
 3 bytes
 4 bytes

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Microprocessor
Both the ALU and control section of CPU employ which special purpose storage location?

 Decoders
 Registers
 Buffers
 Accumulators

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Microprocessor
In 8085 microprocessor, the RST6 instruction transfer programme execution to following location

 0048H.
 0030H.
 0060H.
 0024H.

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Microprocessor
The microprocessor may be made to exit from HALT state by asserting

 RESTART
 A or B or HOLD line
 READY line
 any of the five interrupt lines

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

 serial I/O is not possible
 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

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Microprocessor
In microprocessor based system I/O ports are used to interface

 the O/P devices only
 all the I/O devices
 the I/O devices and memory chips
 the I/P device only

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