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GATE CS question library

Practise GATE CS Computer Science previous year questions free. Browse by subject, syllabus topic, year and question type, with answers and available solutions.

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Official PYQ2015DatabasesTuple Calculus and SQLMCQ · 1 mark
Consider the following relation Cinema(theater, address, capacity\textit{theater, address, capacity}) Which of the following options will be needed at the end of the SQL query SELECT P1.address FROM Cinema P1 such that it always finds the addresses of theaters with maximum capacity?
Official PYQ2015AlgorithmsAsymptotic Worst Case Time and Space ComplexityMCQ · 1 mark
Consider the equality ∑i=0ni3=X\displaystyle{\sum_{i=0}^n} i^3 = X and the following choices for XX: Θ(n4)\Theta(n^4) Θ(n5)\Theta(n^5) O(n5)O(n^5) Ω(n3)\Omega(n^3) The equality above remains correct if XX is replaced by
Official PYQ2015Engineering MathematicsSets, Relations and FunctionsMCQ · 1 mark
Let #\# be the binary operator defined as X#Y=X′+Y′X\#Y = X'+Y' where XX and YY are Boolean variables. Consider the following two statements. (S1)(S_1) (P#Q)#R=P#(Q#R)(P\#Q)\#R = P\#(Q\#R) (S2)(S_2) Q#R=(R#Q)Q\#R = (R\#Q) Which are the following is/are true for the Boolean variables P,QP, Q and RR?
Official PYQ2015Operating SystemCPU SchedulingMCQ · 1 mark
The maximum number of processes that can be in Ready\textit{Ready} state for a computer system with nn CPUs is :
Official PYQ2015General AptitudeNAT · 1 mark
The exports and imports (in crores of RsRs.) of a country from the year 20002000 to 20072007 are given in the following bar chart. In which year is the combined percentage increase in imports and exports the highest?
Official PYQ2015General AptitudeMCQ · 1 mark
Most experts feel that in spite of possessing all the technical skills required to be a batsman of the highest order, he is unlikely to be so due to lack of requisite temperament. He was guilty of throwing away his wicket several time after working hard to lay a strong foundation. His critics pointed out that until he addressed his problem, success at the …
Official PYQ2015General AptitudeMCQ · 1 mark
Choose the most appropriate equation for the function drawn as thick line, in the plot below.
Official PYQ2015General AptitudeMCQ · 1 mark
The head of newly formed government desires to appoint five of the six selected members P,Q,R,S,TP, Q, R, S, T and UU to portfolios of Home, Power, Defense, Telecom, and Finance. U does not want any portfolio if SS gets one of the five. RR wants either Home or Finance or no portfolio. QQ says that if SS gets Power or Telecom, then she must get the …
Official PYQ2015General AptitudeMCQ · 1 mark
Alexander turned his attention towards India, since he had conquered Persia. Which one of the statements below is logically valid and can be inferred from the above sentence?
Official PYQ2015General AptitudeMCQ · 1 mark
A function f(x)f(x) is linear and has a value of 2929 at x=−2x=-2 and 3939 at x=3x=3. Find its value at x=5x=5.
Official PYQ2015General AptitudeMCQ · 1 mark
Select the pair of best expresses a relationship similar to that expressed in the pair: Children : Pediatrician
Official PYQ2015General AptitudeMCQ · 1 mark
Extreme focus on syllabus and studying for tests has become such a dominant concern of Indian student that they close their minds to anything ___________ to the requirements of the exam.
Official PYQ2015General AptitudeMCQ · 1 mark
The Tamil version of __________ John Abraham-starrer Madras Cafe __________ cleared by the Censor Board with no cuts last week, but the film's distributor _______ no takers among the exhibitors for a release in Tamilnadu _______ this Friday.
Official PYQ2015General AptitudeMCQ · 1 mark
If ROAD\text{ROAD} is written as URDG\text{URDG}, then SWAN\text{SWAN}should be written as: