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Microprocessor

Microprocessor
The five flags in 8085 are designated as

D, Z, S, P, AC
Z, CY, S, D, AC
Z, C, S, P, AC
Z, CY, S, P and AC

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Microprocessor
DMA is used between

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

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Microprocessor
The maximum number of seven segment displays that can be connected to 8279 is

 8
 18
 16
 12

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

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

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Microprocessor
A sequence of two registers that multiplies the content of DE register pair by two and stores the result in HL register pair (in 8085 assembly language) is

 XCHG & DAD B
 XCHG & DAD H
 PCHL & DAD D
 XTHL & DAD H

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Microprocessor
A microcomputer consists of

All of these
 I/O device
 memory
 a microprocessor

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