December 2014 - Paper 3

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3. December 2014
4. Paper 3

6:  

Specify the contents of the accumulator and the status of the S, Z and CY flags when 8085 microprocessor performs addition of 87 H and 79 H.

A.	11, 1 ,1 ,1
B.	10, 0 ,1 ,0
C.	01, 1, 0, 0
D.	00, 0, 1, 1
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	Option: D Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

7:  

Location transparency allows :

I. Users to treat the data as if it is done at one location.

II. Programmers to treat the data as if it is at one location.

III. Managers to treat the data as if it is at one location.

Which one ofthe following is correct ?

A.	I, II and III
B.	I and II only
C.	II and III only
D.	II only
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	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

8:  

Which of the following is correct?

I. Two phase locking is an optimistic protocol.

II. Two phase locking is pessimistic protocol

III. Time stamping is an optimistic protocol.

IV. Time stamping is pessimistic protocol.

A.	I and III
B.	II and IV
C.	I and IV
D.	II and III
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	Option: C Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

9:  

------------------ rules used to limit the volume of log information that has to be handled and processed in the event of system failure involving the loss of volatile information.

A.	Write-ahead log
B.	Check-pointing
C.	Log buffer
D.	Thomas
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	Option: B Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

10:  

Let R = ABCDE is a relational scheme with functional dependency set F = {A -> B, B ->C,AC -> D}. The attribute closures of A and E are

A.	ABCD, Ø
B.	ABCD, E
C.	ɸ , Ø
D.	ABC, E
	Answer Report Discuss
	Option: B Explanation : Click on Discuss to view users comments. Write your comments here: Updating your Comments.. Updating your Comments..

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