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Q.

A bus connected between the CPU and the main memory that permits transfer of information between main memory and the CPU is known as

A

DMA bus

B

Memory bus

C

Address bus

D

Control bus

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MCQ

1.

A bus connected between the CPU and the main memory that permits transfer of information between main memory and the CPU is known as

A

DMA bus

B

Memory bus

C

Address bus

D

Control bus

Discussion

MCQ

2.

The highest priority interrupt in 8085 is:

A

TRAP

B

RST6.5

C

INTR

D

RST7.5

Discussion

MCQ

3.

8085 microprocessor is an 8-bit microprocessor designed by?

A

IBM

B

Dell

C

Intel

D

VAX

Discussion

MCQ

4.

The ALU of a microprocessor performs operations of 8-bit two

A

Result = D8H, Overflow and negative flags set

B

Result = D8H, Negative flag is set

C

Result = D8H, No flags set

D

Result = 28H, Overflow flag set

Discussion

MCQ

5.

The main purpose of Accumulator register of 8085 is

A

temporary data storage

B

selection of peripheral

C

storing instructions

D

used as primary pointer

Discussion

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