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Microprocessor

Microprocessor
Total numbers of output pins in 8085 microprocessor are

 13
 40
 27
 30

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Microprocessor
Both the ALU and control section of CPU employ which special purpose storage location?

 Accumulators
 Decoders
 Buffers
 Registers

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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
 non-volatile characteristic
 erasable and programmable characteristic

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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?

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

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Microprocessor
Which of the following instruction will never affect the zero flag?

 XRA R
 ORA R
 DCR R
 DCX Rp

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Microprocessor
Number of Hex digits needed to represent the 20-bit address of a memory location are

 20
 4
 5
 16

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