# MCQs For NCERT Class 9 Computer Science Number System

Please refer to the MCQ Questions for Class 9 Computer Science Number System with Answers. The following Number System Class 9 Computer Science MCQ Questions have been designed based on the current academic year syllabus and examination guidelines for Class 9. Our faculty has designed MCQ Questions for Class 9 Computer Science with Answers for all chapters as per your NCERT Class 9 Computer Science book.

## Number System Class 9 MCQ Questions with Answers

Please see below Number System Class 9 Computer Science MCQ Questions, solve the questions and compare your answers with the solutions provided below.

Question. 1‟s complement of a negative binary number can be calculated by
(a). reversing the bits in the number
(b). reversing the bits in the number and adding one
(c).cannot be calculated
(d).both (a) and (b)

A

Question. (011)475321211 is
(a).numeric data
(b).alphanumeric data
(c).alphabetic data
(d).both ()()

B

Question. Data after processing is called
(a).processed data
(b).information
(c).raw data
(d). facts

C

Question. Collection of facts and figures is called
(a) Information
(b).facts
(c).data
(d).raw data

C

Question. In Hexadecimal number system A contains the value of —————–
(a) 8
(b). 16
(c).15
(d).10

D

Question. The hexadecimal number 10 is equal to
(a). 10
(b).100
(c).16
(d). all of above

C

Question. In EBCDIC code ———— different characters can be represented
(a).128
(b).256
(c).512
(d).64

B

Question. In world most of the computers use———— coding scheme
(a).ASCII
(b).BCD
(c).EBCDIC
(d).all of these

A

Question. Decimal number system range from
(a). 9 to 0
(b). 1 to 10
(c).1 to 9
(d). 0 to 9