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Microprocessor

Microprocessor
The five flags in 8085 are designated as

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

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Microprocessor
The operating modes of 8255 A are called

Mode 0 and mode 2
Mode 0 and mode 1
Mode 0, mode 1 and mode 2
Mode 0, mode 2 and mode 3

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Microprocessor
During OPCODE fetch the state of S0 and S1 is

 00
 01
 11
 10

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Microprocessor
RST0 - RST7 are the __________ in 8085.

 conditional interrupts
 software interrupts
 hardware interrupts
 logical interrupts

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Microprocessor
Which one of the following microprocessor is not an 8-bit microprocessor

 8085
 68000
 Z-80
 6502

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Microprocessor
XCHG instruction exchanges the content of H-L with ______ register pair.

 D-E
 B-C
 PSW
 Stack Pointer

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