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

Class 9th - Computer Science Chapter No.05

1 / 47

The 2’s complement of 0101010 is

1010101

1010110

None

2 / 47

BCD stands for

Bidirectional coded decimal

Binary coded decimal

Base coded decimal

Byte coded decimal

3 / 47

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

4 / 47

In hexadecimal number system, A is equal to decimal number

5 / 47

The numbers stored and transmitted inside a computer in:

Octal form

Binary form

Alphanumeric form

Decimal form

6 / 47

The number of digits in octal system is:

7 / 47

The base of decimal number system is:

8 / 47

3 x10¹ + 7 x 10° is equal to:

370

3.6

9 / 47

The number of bits in a nibble is:

10 / 47

The base of octal number system is:

11 / 47

The base of hexadecimal number system is:

12 / 47

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

500 characters

128 characters

256 characters

364 characters

13 / 47

The data after the processing is called:

Data

Information

Procedure

Storage

14 / 47

How many characters can unicode represents ....

2048

65536

1024

256

15 / 47

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

256 characters

128 characters

1000 characters

500 characters

16 / 47

The number of digits in decimal system is:

17 / 47

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

Octal

Positive

Negative

Incorrect

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The number of digits in Hexadecimal system is:

19 / 47

The BCD Number for decimal 16 is :

10110

1000

11011011

10000

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Unicode is a ....

32-Bit Code

8-Bit Code

16-Bit Code

64-Bit Code

21 / 47

The sign bit is defined as:

ALL

1 for negative

0 for positive

MSB

22 / 47

Which of the following is a data type?

ALL

Alphanumeric

Numeric

Alphabetic

23 / 47

The binary number 1101 is equal to octal number

24 / 47

The hexadecimal number 1016 is equal to

1010

10010

1610

All

25 / 47

(011)4752105 is:

Alphanumeric data

Numeric data

Alphabetic data

Numeric data & Alphanumeric data

26 / 47

What is the decimal value of 2⁴ is equal to?

27 / 47

The FF in hexadecimal system is equivalent to decimal system number

254

255

256

128

28 / 47

2⁰ is equal to:

29 / 47

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

1101

1111

1001

1110

30 / 47

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

Can not be calculated

Reversing the bit in the number and adding one

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

Reversing the bit in the number

31 / 47

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

EBCDIC

Unicode

BCD

ASCII

32 / 47

What is the decimal value of 23?

33 / 47

The D in hexadecimal is Equal to binary number:

1001

1111

1101

1011

34 / 47

The hexadecimal number 10016 is equal to

25610

0001000000002

All

4008

35 / 47

Binary multiplication 1x0=________

36 / 47

The difference of 111₂- 001₂ equals:

110

100

101

37 / 47

The decimal number 18 is equal to the binary number

10010

11110

10111

11011

38 / 47

A collection of raw facts and figure is called:

Processing

Output

Information

Data

39 / 47

The base of binary number system is:

40 / 47

A collection of 8 bits is known as:

Octal

Byte

Bit

Binary

41 / 47

In hexadecimal number system, A is equal to decimal number

42 / 47

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

Numeric data & Alphabetic data

Alphanumeric data

Numeric data

Alphabetic data

43 / 47

MSB stands for..

Minimum single bit

Middle sum byte

Maximum single bit

Most Significant bit

44 / 47

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

0.5

0.25

0.1

0.05

45 / 47

In hexadecimal number system, C is equal to decimal number

46 / 47

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

1001

1100

1111

1010

47 / 47

The l's complement of 10011101 is:

10011110

11011110

1100010

10011111

Your score is

The average score is 74%

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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

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