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?

1,3 &4

1,2 & 3

2,3&4

1,2 & 4

1,3 &4

1,2 & 3

2,3&4

1,2 & 4

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Microprocessor
If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory)

Remains unchanged

Increases by 2^(address bits)/addressability

Halves

Doubles

Remains unchanged

Increases by 2^(address bits)/addressability

Halves

Doubles

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Microprocessor
Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value?

MOV A, 00H

CLR A

ORA A

SUB A

MOV A, 00H

CLR A

ORA A

SUB A

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Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

246

247

244

245

246

247

244

245

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Microprocessor
Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor?

1, 3, 4

1, 3, 5

2, 3, 5

1, 2, 5

1, 3, 4

1, 3, 5

2, 3, 5

1, 2, 5

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Microprocessor
Which one of the following is not correct?

Bootstrap is a technique or device for loading first instruction

An interrupt signal is required at the start of every program

An instruction is a set of bits that defines a computer operation

Bus is a group of wires

Bootstrap is a technique or device for loading first instruction

An interrupt signal is required at the start of every program

An instruction is a set of bits that defines a computer operation

Bus is a group of wires

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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 If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory)

Microprocessor Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value?

Microprocessor Total number of instructions in 8085 microprocessor assembly language is

Microprocessor Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor?

Microprocessor Which one of the following is not 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?

Microprocessor
If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory)

Microprocessor
Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value?

Microprocessor
Total number of instructions in 8085 microprocessor assembly language is

Microprocessor
Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor?

Microprocessor
Which one of the following is not correct?