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Microprocessor

Microprocessor
The word size of 8085 microprocessor is

 20-bit
 8-bit
 16-bit
 4-bit

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Microprocessor
What is used to access 16-bit data in 8086?

 Pipeline architecture.
 Memory Banking.
None of these
 Data Banking.

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Microprocessor
I)A total of about one million bytes can be directly addressed by the 8086 microprocessor II)8086 has thirteen 16-bit registers III)8086 has eight flags IV)Compared to 8086, the 80286 provides a higher degree of memory protection Which one of the statements given above are correct?

 1,2 & 3
 2,3&4
 1,3 &4
 1,2 & 4

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Microprocessor
The address bus of any microprocessor is always

 Bi-directional
 Either unidirectional or bi-directional
 Unidirectional
 None

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

 Accumulator
 Process status register
 Flag register
 Condition code register

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Microprocessor
Length of the instruction POP D is

 3 byte
 1 byte
 2 byte
 4 byte

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