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Microprocessor

Microprocessor
Which one of the following ICs is used to interface keyboard and display?

 8253
 8251
 8279
 8259

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Microprocessor
The processor status word of 8085 microprocessor has five flags namely:

 S, Z, OV, P, CY
 S, Z, AC, P, CY
 S, Z, AC, P, OV
 S, OV, AC, P, CY

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Microprocessor
The register which holds the information about the nature of results of arithmetic and logic operations is called as

 Condition code register
 Flag register
 Process status register
 Accumulator

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Microprocessor
A combinational PLD with a fixed AND array and a programmable OR array is called a

 PAL
 PROM
 PLA
 PLD

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Microprocessor
In 8085 microprocessor, the RST6 instruction transfer programme execution to following location

 0048H.
 0060H.
 0030H.
 0024H.

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Microprocessor
How many 16-bit special purpose registers are present in 8085 microprocessor?

 8
 16
 6
 2

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