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Q.

During a read operation the CPU fetches ________

A

a program instruction

B

another address

C

data itself

D

all of the above

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1.

Which intruction is Used to load the address of operand into the provided register?

A

LEA

B

LDS

C

LES

D

LAHF

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2.

. The IF is called as _________

A

initial flag

B

indicate flag

C

interrupt flag

D

inter flag

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3.

Which flag is set to 1 when the result of arithmetic or logical operation is zero else it is set to 0?

A

Binary bit

B

Zero flag

C

Sign flag

D

Overflow flag

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4.

. The BIU contains FIFO register of size __________ bytes

A

8

B

6

C

4

D

12

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5.

To interface memory with the microprocessor, connect register the lines of the address bus must be added to address lines of the _______ chip.

A

single

B

memory

C

mutiple

D

triple

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