July 2016 - Paper 3

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3. July 2016
4. Paper 3

1:   Which of the following is a sequential circuit ?

A.	Multiplexer
B.	Decoder
C.	Counter
D.	Full adder
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	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

2:   8085 microprocessor has _____ hardware interrupts.

A.	2
B.	3
C.	4
D.	5
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	Option: D Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

3:   Which of the following in 8085 microprocessor performs

HL = HL + DE ?

A.	DAD D
B.	DAD H
C.	DAD B
D.	DAD SP
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	Option: A Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

4:   The register that stores all interrupt requests is :

A.	Interrupt mask register
B.	Interrupt service register
C.	Interrupt request register
D.	Status register
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	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

5:  

The _____ addressing mode is similar to register indirect addressing mode, except that an offset is added to the contents of the register. The offset and register are specified in the instruction.

A.	Base indexed
B.	Base indexed plus displacement
C.	Indexed
D.	Displacement
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	Option: D Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

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