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Microprocessor

Microprocessor
Register pair used to indicate memory

 B and C
 H and L
 W and Z
 D and E

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Microprocessor
In microprocessor based system DMA refers to

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

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Microprocessor
Internet is a worldwide network of computers where most of the information is freely available.

False
True

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Microprocessor
Identify the non-programmable interfacing device from the following

 8212.
 8295.
 8257.
 8255.

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Microprocessor
Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor?

 2, 3, 5
 1, 3, 4
 1, 2, 5
 1, 3, 5

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Microprocessor
In 8085, the pins for SID and SOD are

5 and 4 respectively
3 and 4 respectively
4 and 3 respectively
4 and 5 respectively

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