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Question Bank

Question for GATE Computer Science - Quiz / Questions / MCQ in English

Last Update on : October 10, 2026

Duration: 180 · Questions: 65 · Max Marks: 65

View GATE Computer Science 2027 Exam Page

To boost your performance in GATE Computer Science exam, practice each question regularly and with focus. Every question tests your subject understanding, so solve them one at a time. Taking a quiz improves your speed and accuracy. Practicing topic-wise MCQs. Students benefit greatly from reviewing questions with answer keys, which help clarify concepts and strengthen Questions knowledge for success in GATE Computer Science exams.

Latest GATE Computer Science Exam Question (Objective Questions), MCQ in English

Subjects : General Aptitude, Computer Science & Information Technology, Engineering Mathematics

Question Bank GATE Computer Science and Information Technology Exam - English

General Aptitude

Q 1 :
Inhaling the smoke from a burning _____ could _____ you quickly.
  1. A.tire/tier
  2. B.tire/tyre
  3. C.tyre/tire
  4. D.tyre/tier
Q 2 :
Rice, a versatile and inexpensive source of carbohydrate, is a critical component of diet worldwide. Climate change, causing extreme weather, poses a threat to sustained availability of rice. Scientists are working on developing Green Super Rice (GSR), which is resilient under extreme weather conditions yet gives higher yields sustainably.
Which one of the following is the CORRECT logical inference based on the information given in the above passage ?
  1. A.GSR is an alternative to regular rice, but it grows only in an extreme weather
  2. B.GSR be used in future in response to adverse effects of climate change
  3. C.GSR grows in an extreme weather, but the quantity of produce is lesser than regular rice
  4. D.Regular rice will continue to provide good yields even in extreme weather
Q 3 :
The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is :
  1. A.15
  2. B.16
  3. C.18
  4. D.25
Q 4 :
Pipes P and Q can fill a storage tank full of water in 10 and 6 minutes, respectively. Pipe R draws the water out from the storage tank at a rate of 34 litres per minute. P, Q and R operate at a constant rate. If it takes one hour to completely empty a full storage tank with all the pipes operating simultaneously, what is the capacity of the storage tank (in litres) ? 
  1. A.26.8 
  2. B.60.0 
  3. C.120.0
  4. D.127.5
Q 5 :
Choose the grammatically correct sentence?
  1. A.Neither of the robots are functioning properly
  2. B.Neither robots is functioning properly
  3. C.Neither of the robot are functioning properly
  4. D.Neither of the robots is functioning properly

Engineering Mathematics

Q 6 :
Consider the following expression :
where z, y, and t are variables, and   is a complex number. The partial differential equation derived from the above expression is
    Q 7 :
    For the equation
    the correct description is
    1. A.
      an ordinary differential equation of order 3 and degree 2 
    2. B.
      an ordinary differential equation of order 3 and degree 3 
    3. C.
      an ordinary differential equation of order 2 and degree 3 
    4. D.an ordinary differential equation of order 3 and degree â€‹
    Q 8 :
    The value of (1 + i)12, where â€‹ , is.
    1. A.
      – 64 i 
    2. B.
      64 i
    3. C.64 
    4. D.– 64
    Q 9 :
    If (A=\begin{bmatrix}1&2\3&4\end{bmatrix}), what is (\det(A))?
    1. A.2
    2. B.(-2)
    3. C.5
    4. D.10
    Q 10 :
    If (A) is a (3\times3) matrix with (\det(A)=5), what is (\det(2A))?
    1. A.10
    2. B.40
    3. C.20
    4. D.80

    Computer Science & Information Technology

    Q 11 :
    In Boolean algebra, \(A+A\) is equal to:
    1. A.0
    2. B.1
    3. C.A
    4. D.A'
    Q 12 :
    The Boolean expression \(A.A\) simplifies to:
    1. A.A
    2. B.0
    3. C.1
    4. D.A'
    Q 13 :
    \(A+A'\) is equal to:
    1. A.1
    2. B.0
    3. C.A
    4. D.A'
    Q 14 :
    \(A.A'\) is equal to:
    1. A.1
    2. B.0
    3. C.A
    4. D.A'
    Q 15 :
    The complement of 0 is:
    1. A.0
    2. B.Undefined
    3. C.A
    4. D.1
    Q 16 :
    The complement of 1 is:
    1. A.1
    2. B.0
    3. C.Undefined
    4. D.2
    Q 17 :
    \(A+0\) equals:
    1. A.0
    2. B.1
    3. C.A
    4. D.A'
    Q 18 :
    \(A.1\) equals:
    1. A.A
    2. B.0
    3. C.1
    4. D.A'
    Q 19 :
    \(A+1\) equals:
    1. A.A
    2. B.A'
    3. C.0
    4. D.1
    Q 20 :
    \(A.0\) equals:
    1. A.A
    2. B.1
    3. C.0
    4. D.A'
    Q 21 :
    The complement of \(A+B\) is:
    1. A.A'B'
    2. B.A'+B'
    3. C.AB
    4. D.A+B
    Q 22 :
    The complement of \(AB\) is:
    1. A.A'B'
    2. B.A+B
    3. C.AB'
    4. D.A'+B'
    Q 23 :
    \(A+AB\) simplifies to:
    1. A.A
    2. B.AB
    3. C.B
    4. D.A+B
    Q 24 :
    \(A(A+B)\) simplifies to:
    1. A.AB
    2. B.B
    3. C.A
    4. D.A+B
    Q 25 :
    \(A+A'B\) simplifies to:
    1. A.B
    2. B.AB
    3. C.A'B
    4. D.A+B
    Q 26 :
    \(A(A'+B)\) simplifies to:
    1. A.A
    2. B.A+B
    3. C.B
    4. D.AB
    Q 27 :
    \(AB+AB'\) simplifies to:
    1. A.AB
    2. B.B
    3. C.A
    4. D.1
    Q 28 :
    \(AB+A'B\) simplifies to:
    1. A.A
    2. B.A+B
    3. C.B
    4. D.AB
    Q 29 :
    \(A+B+AB\) simplifies to:
    1. A.AB
    2. B.A
    3. C.A+B
    4. D.B
    Q 30 :
    The dual of \(A+0=A\) is:
    1. A.A+1=1
    2. B.A+A=A
    3. C.A.0=0
    4. D.A.1=A
    Q 31 :
    The duality principle interchanges:
    1. A.0 and 1 only
    2. B.AND and OR only
    3. C.AND with OR and 0 with 1
    4. D.Variables with complements
    Q 32 :
    \(A \oplus A\) equals:
    1. A.0
    2. B.1
    3. C.A
    4. D.A'
    Q 33 :
    \(A \oplus 0\) equals:
    1. A.0
    2. B.1
    3. C.A
    4. D.A'
    Q 34 :
    \(A \oplus 1\) equals:
    1. A.A'
    2. B.A
    3. C.0
    4. D.1
    Q 35 :
    \(A \odot A\), where \(\odot\) denotes XNOR, equals:
    1. A.0
    2. B.A
    3. C.A'
    4. D.1
    Q 36 :
    XOR output is 1 when its two inputs are:
    1. A.Both 0
    2. B.Both 1
    3. C.Always 1
    4. D.Different
    Q 37 :
    XNOR output is 1 when inputs are:
    1. A.Different
    2. B.Equal
    3. C.Both complements
    4. D.Always 0
    Q 38 :
    The Boolean expression for XOR is:
    1. A.A'B+AB'
    2. B.AB+A'B'
    3. C.AB
    4. D.A+B
    Q 39 :
    The expression for XNOR is:
    1. A.A'B+AB'
    2. B.A+B
    3. C.AB+A'B'
    4. D.A'B'
    Q 40 :
    \(A+A'B+AB\) simplifies to:
    1. A.A
    2. B.A+B
    3. C.B
    4. D.AB
    Q 41 :
    \(AB+A'C+BC\) can be simplified using:
    1. A.Idempotent law
    2. B.De Morgan theorem
    3. C.Consensus theorem
    4. D.Involution law
    Q 42 :
    The consensus term in \(AB+A'C+BC\) is:
    1. A.AB
    2. B.A'C
    3. C.AC
    4. D.BC
    Q 43 :
    By the consensus theorem, \(AB+A'C+BC\) equals:
    1. A.AB+A'C
    2. B.AB+BC
    3. C.A'C+BC
    4. D.AB
    Q 44 :
    Involution law states:
    1. A.A+A=A
    2. B.(A')'=A
    3. C.A+1=1
    4. D.AA'=0
    Q 45 :
    \(A+AB'\) equals:
    1. A.AB'
    2. B.B
    3. C.A+B
    4. D.A
    Q 46 :
    \(A(A+B')\) equals:
    1. A.A
    2. B.AB'
    3. C.B'
    4. D.A+B'
    Q 47 :
    \((A+B)(A+B')\) simplifies to:
    1. A.A
    2. B.B
    3. C.AB
    4. D.A+B
    Q 48 :
    \((A+B)(A'+B)\) simplifies to:
    1. A.B
    2. B.A
    3. C.A+B
    4. D.AB
    Q 49 :
    \(A'B+AB+B'\) simplifies to:
    1. A.A
    2. B.B
    3. C.0
    4. D.1
    Q 50 :
    \(AB+A'B+AB'\) simplifies to:
    1. A.A+B
    2. B.AB
    3. C.A'B
    4. D.A+B'

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