Paper for Gate CS With Solutions

Give me question paper for the GATE Computer Science And Information Technology??

Here I am giving you question paper for the GATE Computer Science And Information Technology subject in PDF file with it so you can get it easily..

Some questions are given below :
Q. 1 – Q. 25 carry one mark each.

Q.1 Consider the following logical inferences.
I1: If it rains then the cricket match will not be played.
The cricket match was played.
Inference: There was no rain.

I2: If it rains then the cricket match will not be played.
It did not rain.
Inference: The cricket match was played.
Which of the following is TRUE?
(A) Both I1 and I2 are correct inferences
(B) I1 is correct but I2 is not a correct inference
(C) I1 is not correct but I2 is a correct inference
(D) Both I1 and I2 are not correct inferences

Q.2 Which of the following is TRUE?
(A) Every relation in 3NF is also in BCNF
(B) A relation R is in 3NF if every non-prime attribute of R is fully functionally dependent on every
key of R
(C) Every relation in BCNF is also in 3NF
(D) No relation can be in both BCNF and 3NF

Q.3 What will be the output of the following C program segment?
char inChar = ‘A’ ;
switch ( inChar ) {
case ‘A’ : printf (“Choice A\ n”) ;
case ‘B’ :
case ‘C’ : printf (“Choice B”) ;
case ‘D’ :
case ‘E’ :
default : printf ( “ No Choice” ) ; }
(A) No Choice
(B) Choice A
(C) Choice A
Choice B No Choice
(D) Program gives no output as it is erroneous

Q.4 Assuming P ≠ NP, which of the following is TRUE?
(A) NP-complete = NP (B) NP-complete ∩ P = 
(C) NP-hard = NP (D) P = NP-complete

Q.5 The worst case running time to search for an element in a balanced binary search tree with n2n
elements is
(A) Θ (n log n) (B) Θ (n2n) (C) Θ (n) (D) Θ (log n)

Q.14 Given the basic ER and relational models, which of the following is INCORRECT?
(A) An attribute of an entity can have more than one value
(B) An attribute of an entity can be composite
(C) In a row of a relational table, an attribute can have more than one value
(D) In a row of a relational table, an attribute can have exactly one value or a NULL value

Q.15 Which of the following statements are TRUE about an SQL query?
P : An SQL query can contain a HAVING clause even if it does not have a GROUP BY clause
Q : An SQL query can contain a HAVING clause only if it has a GROUP BY clause
R : All attributes used in the GROUP BY clause must appear in the SELECT clause
S : Not all attributes used in the GROUP BY clause need to appear in the SELECT clause
(A) P and R (B) P and S (C) Q and R (D) Q and S

Attached Files Available for Download

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