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Microprocessor

Microprocessor
DMA signal/signals in 8085 is/are

 HLDA.
 All.
 HOLD.
 READY.

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Microprocessor
RST0 - RST7 are the __________ in 8085.

 conditional interrupts
 hardware interrupts
 logical interrupts
 software interrupts

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Microprocessor
________used to implement the hardware interrupts (RST 7.5, RST 6.5, RST 5.5) by setting various bits to form masks or generate output data via the Serial Output Data (SOD) line.

 EI
 RIM
 DI
 SIM

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

64 H
45 H
234
6 AFH

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Microprocessor
In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU.

False
True

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Microprocessor
The stack pointer

 resides in RAM
 may be in RAM or ROM
 resides in ROM
 resides in microprocessor

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