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Microprocessor

Microprocessor
Which of the following instruction is not possible in 8085?

 POP B
 POP PSW
 POP 30 H
 POP D

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Microprocessor
The cycle required to fetch and execute an instruction in a 8085 microprocessor is which one of the following?

 Clock cycle
 Machine cycle
 Memory cycle
 Instruction cycle

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

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

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Microprocessor
The first microprocessor to include virtual memory in the intel microprocessor family is

 Pentium
 80486
 80286
 80386

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Microprocessor
Which one of the following statement is false?

 A microprocessor has bi-directional address bus
 A microprocessor has bi-directional data bus
 A microprocessor has unidirectional address bus
 A microprocessor has an ALU

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Microprocessor
Temporary registers in 8085 are

 W and Z.
 H and L.
 D and E.
 B and C.

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