Computer Science MCQs | Computer Science Multiple Choice Questions with Answers

Questions
1 Eco system is a Frame work for
A Building a Computer System
B Building Internet Market
C Building Offline Market
D Building Market

Answer: Option [B]
2 The efficiency (E) and speed up (sp) for Multiprocessor with p processors satisfies :
A E  p and sp  p
B E  1 and sp  p
C E  p and sp  1
D E  1 and sp  1

Answer: Option [B]
3 The technique of temporarily delaying outgoing acknowledgements so that they can be hooked onto the next outgoing data frame is known as
A Bit stuffing
B Piggy backing
C Pipelining
D Broadcasting

Answer: Option [B]
4 ______ is process of extracting previously non known valid and actionable information from large data to make crucial business and strategic decisions.
A Data Management
B Data base
C Data Mining
D Meta Data

Answer: Option [C]
5 The aspect ratio of an image is defined as
A The ratio of width to its height measured in unit length
B The ratio of height to width measured in number of pixels
C The ratio of depth to width measured in unit length
D The ratio of width to depth measured in number of pixels

Answer: Option [A]
6 Using RSA algorithm, what is the value of cipher text C, if the plain text M = 5 and p = 3, q = 11 & d = 7 ?
A 33
B 5
C 25
D 26

Answer: Option [D]
7 You are given an OR problem and a XOR problem to solve. Then, which one of the following statements is true ?
A Both OR and XOR problems can be solved using single layer perception.
B OR problem can be solved using single layer perception and XOR problem can be solved using self organizing maps.
C OR problem can be solved using radial basis function and XOR problem can be solved using single layer perception.
D OR problem can be solved using single layer perception and XOR problem can be solved using radial basis function.

Answer: Option [D]
8 Let V1 = 2I – J + K and V2 = I + J – K, then the angle between V1 & V2 and a vector perpendicular to both V1 & V2 shall be
A 90 and (–2I + J – 3K)
B 60 and (2I + J + 3K)
C 90 and (2I + J – 3K)
D 90 and (–2I – J + 3K)

Answer: Option [D]
9 Consider a fuzzy set A defined on the interval X = [0, 10] of integers by the membership Junction A(x) = x x + 2 Then the  cut corresponding to  = 0.5 will be
A {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
B {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}
C {2, 3, 4, 5, 6, 7, 8, 9, 10}
D { }

Answer: Option [D]
10 Let T(n) be the function defined by T(n) = 1 and T(n) = 2T (n/2) + n, which of the following is TRUE ?
A T(n) = O( n)
B T(n) = O(log2n)
C T(n) = O(n)
D T(n) = O(n2)

Answer: Option [C]
11 In classful addressing, an IP address 123.23.156.4 belongs to ______ class format.
A A
B B
C C
D D

Answer: Option [A]
12 The Mandelbrot set used for the construction of beautiful images is based on the following transformation : xn + 1= x2 n + z Here,
A Both x & z are real numbers.
B Both x & z are complex numbers.
C x is real & z is complex.
D x is complex & z is real.

Answer: Option [B]
13 Which of the following permutations can be obtained in the output using a stack of size 3 elements assuming that input, sequence is 1, 2, 3, 4, 5 ?
A 3, 2, 1, 5, 4
B 5, 4, 3, 2, 1
C 3, 4, 5, 2, 1
D 3, 4, 5, 1, 2

Answer: Option [C]
14 In a Linear Programming Problem, suppose there are 3 basic variables and 2 non-basic variables, then the possible number of basic solutions are
A 6
B 8
C 10
D 12

Answer: Option [C]
15 Identify the following activation function : (V) = Z + 1 1 + exp (– x * V + Y) , Z, X, Y are parameters
A Step function
B Ramp function
C Sigmoid function
D Gaussian function

Answer: Option [A]
16 The no. of ways to distribute n distinguishable objects into k distinguishable boxes, so that ni objects are placed into box i, i = 1, 2, …. k equals which of the following ?
A n! n1! + n2! + ..... + nk!
B n1! + n2! + ..... + nk! n1! n2! n3! ..... nk!
C n! n1! n2! n3! ..... nk!
D n1! n2! ..... nk! n1! – n2! – n3! ..... – nk!

Answer: Option [B]
17 How many solutions do the following equation have x1 + x2 + x3 = 11 where x1  1, x2  2, x3  3
A C(7, 11)
B C(11, 3)
C C(14, 11)
D C(7, 5)

Answer: Option [C]
18 Which provides an interface to the TCP/IP suit protocols in Windows95 and Windows NT ?
A FTP Active-X Control
B TCP/IP Active-X Control
C Calinsock Active-X Control
D HTML Active-X Control

Answer: Option [C]
19 What are the final values of Q1 and Q0 after 4 clock cycles, if initial values are 00 in the sequential circuit shown below :
A 11
B 10
C 01
D 00

Answer: Option [C]
20 If dual has an unbounded solution, then its corresponding primal has
A no feasible solution
B unbounded solution
C feasible solution
D none of these

Answer: Option [D]
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