GATE 2018 Mini Mock 6 (full syllabus) for GATE & PSU CS Exams

Question 1

The pie chart below has the breakup of the number of students from different departments in an engineering college for the year 2012. The proportion of male to female students in each department is 5:4. There are 40 males in Electrical Engineering. What is the difference between numbers of female students in the Civil department and the female students in the Mechanical department?

Question 2

Arun, Gulab, Neel and Shweta must choose one shirt each from a pile of four shirts coloured red, pink, blue and white respectively. Arun dislikes the colour red and Shweta dislikes the colour white. Gulab and Neel like all the colours. In how many different ways can they choose the shirts so that no one has a shirt with a colour he or she dislikes?

Question 3

Which of the following assertions are CORRECT?
P : Adding 7 to each entry in a list adds 7 to the mean of the list
Q : Adding 7 to each entry in a list adds 7 to the standard deviation of the list
R : Doubling each entry in a list doubles the mean of the list
S : Doubling each entry in a list leaves the standard deviation of the list unchanged

Question 4

Choose the most appropriate word (s) from the options given below to complete the following sentence.
I contemplated ________________Singapore for my vacation but decided against it.

Question 5

Anil, Brij, Chander and dron are sitting around a round table. One of them is an electronics engineer (ECE) who is sitting to the lrft of the Mechanical Engineer (ME). Anil is sitting opposite to Computer Science Engineer (CSE). It is also known that Dron likes to play computer games and Brij is sitting to the roght of Civil Engineer (CE). identify the correct match fom the given choices.

Question 6

Consider the following adjacency matrix.

Which of the following is transitive closure of the directed graph defind by the above adjacency matrix.

Question 7

Match List-I (c-statement) with List-II ( number of tokens) and select the correct answer using the codes given below the lists:
List-I
A) ++2-3
B) ==+2
C) ++3
D) &&
List-II
I. 1
II. 2
III. 3
IV. 4
V. 5

Question 8

Consider these IP address classes and select the statement which is incorrect
i. Class A addresses: These addresses use 7 bits for the network and 24 bits for the portion of the IP address.
ii. Class B addresses: These addresses use 21 bits for the network and 8 bits for the portion of the IP address.
iii. Class C addresses: These addresses use 14 bits for the network and 16 bits for the portion of the IP address
iv. Class D addresses: These addresses are reserved for multicasting broadcasting

Question 9

Consider 4 segment instruction pipeline with the respective stage delay of 2ns, 6ns, 8ns, 3ns. What is the instruction execution role in the pipeline?

Question 10

A transaction is a collection of operations that performs a single location function in a database application. The successful execution of a database despite the possibility of system failure is called

Question 11

The decimal number -39 is expressed in 2’s complement form as?

Question 12

The cardinality of the power set of {0, 1, 2..... 10} is__________.

Question 13

A problem in statistics is given to four students A, B, C and D and their chances of solving it are

respectively. The probability that the problem will be solved is _________.

Question 14

Consider the following table which has 4 processes.

All processes are arrived at time ‘0’. CPU scheduling uses SJF algorithm and I/O scheduling uses FCFS algorithm. Every processes gets CPU
service first and then it requests I/O. CPU scheduling favors the less I/O service processes whenever two or more processes have same CPU service time. Find the time at which process P₄ just completes its both CPU and I/O request.

Question 15

Consider the following grammar G.
A → A + B |B
B → int|(A)
Which of the following grammar is equivalent to the above grammar G?