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Microprocessor

Microprocessor
A structure that stores a number of bits taken “together as a unit” is a

Gate
Mux
Register
Decoder

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

 POP B
 POP 30 H
 POP PSW
 POP D

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Microprocessor
The timing difference between a slow memory and fast processor can be resolved if

External buffer is used
Either A or B
Processor is capable of waiting
Neither A nor B

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Microprocessor
Which components are NOT found on chip in a microprocessor but may be found on chip in a microcontroller?

 SRAM & USART
 EPROM, USART & PORTS
 EPROM & PORTS
 SRAM, EPROM & PORTS

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Microprocessor
In microprocessor based system DMA refers to

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

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Microprocessor
The characteristics of RESET OUT signal is/are

 all.
 indicates that µp is being reset.
 this signal can be used to reset other devices.
 the signal is synchronized to the processor clock.

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