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Microprocessor

Microprocessor
IC 7485 cannot be cascadeD.

False
True

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

 16
 7
 10
 13

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

 Decoders
 Buffers
 Registers
 Accumulators

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Microprocessor
In microprocessor based system DMA refers to

 direct memory access for microprocessor
 direct memory access for the user
 direct memory access for the I/O device
None of these

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Microprocessor
________is the only non-vectored interrupt in 8085 microprocessor.

 TRAP
 INTR
 RST 7
 RST 5.5

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

 POP D
 POP B
 POP 30 H
 POP PSW

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