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Microprocessor

Microprocessor
Maximum number of I/O that can be addressed by the INTEL 8085 is

 65536
 512
 256
 285

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Microprocessor
SUB A instruction in 8085

 sets zero and carry flags
 reset carry and sign flags
 reset zero and parity flags
 sets zero and sign flags

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Microprocessor
What is used to access 16-bit data in 8086?

None of these
 Data Banking.
 Pipeline architecture.
 Memory Banking.

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Microprocessor
A microcomputer consists of

 a microprocessor
 I/O device
 memory
All of these

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Microprocessor
The address bus of any microprocessor is always

 Bi-directional
 None
 Either unidirectional or bi-directional
 Unidirectional

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Microprocessor
In an 8085 microprocessor based system, the contents of SP are 1000H, PUSH B instruction will transfer the contents of registers B & C respectively for memory locations

 0FFE H and 0FFF H
 0FFF H and 0FFE H
 1000 H and 1001 H
 1000 H and 0FFF H

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