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Microprocessor

Microprocessor
It is possible to copy a file in the same directory.

False
True

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Microprocessor
DMA signal/signals in 8085 is/are

 All.
 HLDA.
 HOLD.
 READY.

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Microprocessor
Total number of modes the 8253 can work

 4
 6
 8
 12

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Microprocessor
Pick out the matching pair

 SID; SIM
 S0;S1;wait status
 READY; RIM
 HOLD; DMA

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Microprocessor
DMA is used between

 memory and I/O
 microprocessor and I/O
 none
 microprocessor and memory

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Microprocessor
In 8085 microprocessor based system maximum possible number of input/output devices can be connected using I/O mapped I/O technique is

 256
 512
 65536
 64

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