9th Class MCQs Computer Science Chapter No.5

9th Class MCQs Computer Science Chapter No.5 Old Course,BISE Bahawalpur,Lahore Board,Rawalpindi Board,Faisalabad Board,Matric Exam online Preparation,Quiz

Book Name : Computer Science
Class / Grade : 9th
Level : (Secondary)
Chapter No. : 05
Chapter Name : NUMBER SYSTEM
Book Publisher : Punjab Text Book Board Lahore
MCQ from Text Book : 47

Exams conduct By: Board of Intermediate and Secondary Education Punjab
Note : All MCQs questions must be taken in Annual and Supplementary Papers from these MCQs

6

Class 9th - Computer Science Chapter No.05

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The numbers stored and transmitted inside a computer in:

Binary form

Octal form

Decimal form

Alphanumeric form

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The number of bits in a nibble is:

4

16

8

32

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The sign bit is defined as:

ALL

1 for negative

MSB

0 for positive

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BCD stands for

Binary coded decimal

Bidirectional coded decimal

Base coded decimal

Byte coded decimal

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(011)4752105 is:

Alphanumeric data

Numeric data

Numeric data & Alphanumeric data

Alphabetic data

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The decimal number 18 is equal to the binary number

10111

11011

10010

11110

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MSB stands for..

Middle sum byte

Maximum single bit

Minimum single bit

Most Significant bit

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The F in Hexadecimal system is equivalent to _____________ in Decimal System.

13

15

14

12

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The base of hexadecimal number system is:

8

16

2

10

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The base of octal number system is:

16

10

8

2

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A collection of 8 bits is known as:

Byte

Bit

Octal

Binary

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Unicode is a ....

64-Bit Code

32-Bit Code

8-Bit Code

16-Bit Code

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If the most significant bit of the signed number is 1, that number is:

Positive

Negative

Octal

Incorrect

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What is the decimal value of 2⁴ is equal to?

64

8

16

32

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3 x10¹ + 7 x 10° is equal to:

370

10

37

3.6

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The base of binary number system is:

16

8

10

2

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The BCD Number for decimal 16 is :

10000

11011011

10110

1000

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Binary multiplication 1x0=________

10

1

1

0

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The hexadecimal number 10016 is equal to

000100000000<sub>2</sub>

256<sub>10</sub>

400<sub>8</sub>

All

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In hexadecimal number system, C is equal to decimal number

10

13

11

12

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How many characters in ASCII 8-bit code can represent?

128 characters

256 characters

500 characters

1000 characters

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The hexadecimal number 1016 is equal to

16<sub>10</sub>

10<sub>10</sub>

100<sub>10</sub>

All

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Which of the following is a data type?

Alphanumeric

ALL

Numeric

Alphabetic

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In hexadecimal number system, A is equal to decimal number

11

12

13

10

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The FF in hexadecimal system is equivalent to decimal system number

255

128

254

256

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The base of decimal number system is:

16

2

8

10

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The number of digits in decimal system is:

9

7

10

8

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2⁰ is equal to:

2

1

3

0

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The difference of 111₂- 001₂ equals:

101

11

110

100

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What is the decimal value of 2^-1 is equal to?

0.25

0.1

0.05

0.5

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A collection of raw facts and figure is called:

Processing

Data

Information

Output

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The E in hexadecimal is equal to binary number......

1101

1110

1111

1001

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The number of digits in octal system is:

9

8

10

7

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How many characters in ASCII 7-bit code can represent?

256 characters

500 characters

128 characters

364 characters

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In hexadecimal number system, A is equal to decimal number

11

12

13

10

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How many characters can unicode represents ....

256

1024

2048

65536

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The l's complement of 10011101 is:

1100010

10011110

10011111

11011110

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1’s complement of a negative binary number can be calculated by:

Reversing the bit in the number and adding one

Can not be calculated

Reversing the bit in the number & Reversing the bit in the number and adding one

Reversing the bit in the number

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What is the decimal value of 23?

6

10

8

4

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Which of the following binary numbers is equivalent to decimal 10?

1100

1010

1111

1001

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The most widely used coding scheme for representing characters in computers is:

Unicode

EBCDIC

BCD

ASCII

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The 2’s complement of 0101010 is

1010101

1010110

None

11

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The number of digits in Hexadecimal system is:

10

8

16

2

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The data after the processing is called:

Data

Storage

Procedure

Information

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Which of the following data type is used to represent names of students:

Numeric data & Alphabetic data

Alphabetic data

Numeric data

Alphanumeric data

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The binary number 1101 is equal to octal number

14

12

15

16

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The D in hexadecimal is Equal to binary number:

1111

1001

1101

1011

Your score is

The average score is 74%

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