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Microprocessor

Microprocessor
Pick out the matching pair

 S0;S1;wait status
 SID; SIM
 READY; RIM
 HOLD; DMA

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Microprocessor
The frequency of the driving network connected between pins 1 and 2 of 8085 microprocessor is

 equal to the desired frequency
 four times the desired frequency
None of these
 twice the desired frequency

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Microprocessor
While CMP B instruction executes,

 all flags will be affected.
 no flags will be affected.
 only carry flag will be affected.
 only carry and zero flags will be affected.

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Microprocessor
The number of output pins in 8085 microprocessors are

 27.
 19.
 40.
 21.

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

 Flag register
 Condition code register
 Accumulator
 Process status register

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

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

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