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?

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

1,3 &4

2,3&4

1,2 & 4

1,2 & 3

1,3 &4

2,3&4

1,2 & 4

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Microprocessor
Consider the following statements: Arithmetic Logic Unit (ALU) 1.Performs arithmetic operations 2.Performs comparisons. 3.Communicates with I/O devices 4.Keeps watch on the system Which of these statements are correct?

1, 2 and 3

1 and 2 only

3 and 4 only

1, 2, 3 and 4

1, 2 and 3

1 and 2 only

3 and 4 only

1, 2, 3 and 4

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Microprocessor
In 8086, _______ uses a mechanism known as an instruction stream queue to implement a pipeline architecture.

Both ‘b’ and ‘c’

Bus Interface Unit (BIU)

Execution Unit (EU)

None of these

Both ‘b’ and ‘c’

Bus Interface Unit (BIU)

Execution Unit (EU)

None of these

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Microprocessor
How many bytes in a zero memory page should be reserved for vectors used by RST instructions?

64.

16.

128.

32.

64.

16.

128.

32.

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Microprocessor
The data bus of any microprocessor is always

Unidirectional

None

Bi-directional

Either unidirectional or bi-directional

Unidirectional

None

Bi-directional

Either unidirectional or bi-directional

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

DCR R

XRA R

DCX Rp

ORA R

DCR R

XRA R

DCX Rp

ORA R

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Microprocessor

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?

Microprocessor Consider the following statements: Arithmetic Logic Unit (ALU) 1.Performs arithmetic operations 2.Performs comparisons. 3.Communicates with I/O devices 4.Keeps watch on the system Which of these statements are correct?

Microprocessor In 8086, _______ uses a mechanism known as an instruction stream queue to implement a pipeline architecture.

Microprocessor How many bytes in a zero memory page should be reserved for vectors used by RST instructions?

Microprocessor The data bus of any microprocessor is always

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

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?

Microprocessor
Consider the following statements: Arithmetic Logic Unit (ALU) 1.Performs arithmetic operations 2.Performs comparisons. 3.Communicates with I/O devices 4.Keeps watch on the system Which of these statements are correct?

Microprocessor
In 8086, _______ uses a mechanism known as an instruction stream queue to implement a pipeline architecture.

Microprocessor
How many bytes in a zero memory page should be reserved for vectors used by RST instructions?

Microprocessor
The data bus of any microprocessor is always

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