Computer Number System Questions and Answers for Bank Exams

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Number System Questions and Answers

Computer Number System Questions with Answers


Q.41. Which of the following is not a positional number system?

(A) Roman Number System

(B) Octal Number System

(C) Binary Number System

(D) Hexadecimal Number System


Ans .   A


Q.42. A computer language that is written in binary codes only is _____

(A) machine language

(B) C

(C) C#

(D) pascal


Ans .   A


Q.43. Convert the binary equivalent 10101 to its decimal equivalent.

(A) 21

(B) 12

(C) 22

(D) 31


Ans .   A


Q.44. Which of the following is the correct representation of a binary number?

(A) (124)2

(B) 1110

(C) (110)2

(D) (000)2


Ans .   D


Q.45. Convert the hexadecimal number B2 to binary      

(A) 100011

(B) 11011

(C) 10110010

(D) 100100001                    


Ans .   C


Q.46. Convert the decimal number 20 to hexadecimal   

(A) 14 (Correct Answer)

(B) 11 (Your Answer)

(C) 1B

(D) 2B


Ans .   A


Q.47. Power of binary system for positional values is

(A) 2

(B) 10

(C) 8

(D) 16


Ans .   A


Q.48. Which is not a word size?

(A) 64

(B) 28

(C) 16

(D) 8


Ans .   B


Q.49. Which of the following is not a positional number system?

(A) Roman Number System

(B) Octal Number System

(C) Binary Number System

(D) Hexadecimal Number System


Ans .   A


Q.50. The octal equivalent of 1100101.001010 is ______

(A) 624.12

(B) 145.12

(C) 154.12

(D) 145.21


Ans .   B

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    Rajesh Bhatia

    A Writer, Teacher and GK Expert. I am an M.A. & M.Ed. in English Literature and Political Science. I am highly keen and passionate about reading Indian History. Also, I like to mentor students about how to prepare for a competitive examination. Share your concerns with me by comment box. Also, you can ask anything at linkedin.com/in/rajesh-bhatia-7395a015b/.

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