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Microprocessor

Microprocessor
For a memory with a 16-bit address space, the addressability is

16 bits
8 bits
Cannot be determined
2^16 bits

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Microprocessor
What is the size (in bytes) of Prefetch queue in 8086?

 6.
 3.
 4.
 2.

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Microprocessor
Internet is a worldwide network of computers where most of the information is freely available.

False
True

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

 8279
 8253
 8259
 8251

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Microprocessor
The five flags in 8085 are designated as

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

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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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