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Microprocessor

Microprocessor
The five flags in 8085 are designated as

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

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Microprocessor
DMA is used between

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

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Microprocessor
Each instruction in assembly language program has the following fields:Lable fieldMnemonic fieldOperand fieldComment fieldThe correct sequence of these fields is?

1, 2, 4, 3
2, 1, 3, 4
1, 2, 3, 4
2, 1, 4, 3

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Microprocessor
EPROMs are preferred for storing programs while developing new microprocessor based system. Because of their

 random access characteristic
 all the above characteristic
 erasable and programmable characteristic
 non-volatile characteristic

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Microprocessor
Length of the instruction POP D is

 3 byte
 4 byte
 1 byte
 2 byte

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Microprocessor
The stack pointer

 resides in RAM
 resides in microprocessor
 may be in RAM or ROM
 resides in ROM

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