# Number System Questions and Answers for Bank Exams : Number System problems

Today I am providing important questions of Number System for competitive exams. You can easily get 2-3 marks with the help of Number System Questions for Bank Exams. This post of Number System Questions and Answers for Bank Exams is very important also related to Aptitude Questions.

Here’s a blog of Number System Questions and Answers for Bank Exams. As you know Number System is the very useful topic for Bank Exams. Also read Basic GK Questions.

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## Number System Questions and Answers : Computer Aptitude Questions

Q.1 The hexadecimal digits are 1 to 0 and A to ……..

(A) E

(B) F

(C) G

(D) D

Ans . B

Q.2 The main advantage of hexadecimal numbers is the case of conversion from hexadecimal to…….

(A) decimal

(B) Binary

(C) ASCII

(D) BCD

Ans . B

Q.3 Binary coded decimal (BCD) numbers express each digit as a ……

(A) byte

IB) nibble

(C) bit

(D) all of these

Ans . B

Q.4 ASCII code is a 7 bit code for……

(A) letters

(B) numbers

(C) other symbols

(D) all of these

Ans . D

Q.5 How many bytes are there in 1011 1001 0110 1110 numbers?

(A) 1

(B) 2

(C) 4

(D) 8

Ans . B

Q.6 An OR gate has 6 inputs, how many input words are in its truth table?

(A) 64

(B) 32

(C) 16

(D) 128

Ans . A

Q.7 The binary equivalent of the octal Numbers 13.54 is…..

(A) 1011.1011

(B) 1101.1110

(C) 1001.1110

(D) all of these

Ans . B

Q.8 The octal equivalent of 111 010 is…..

(A) 81

(B) 72

(C) 71

(D) all of these

Ans . B

Q.9 A microprocessor with 12 address lines capable of addressing.

(A) 1024 locations

(B) 2048 locations

(C) 4096 locations

(D) Buk location

Ans . C

Q.10 The binary equivalent of the hexadecimal number 7 BD is…..

(A) 01111 0111101

(B) 111010111101

(C) 101110111101

(D) all of these

Ans . A