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SOALAN QUIZ (MCQ) – ASCII → OCTAL

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is the meaning of ASCII?

a)

Computer system command

b)

Standard character code

c)

Division method of numbers

d)

Data storage system

2.

ASCII for the letter 'A' is…

a)

63

b)

65

c)

67

d)

75

3.

The octal number system uses digits…

a)

0 – 5

b)

0 – 7

c)

0 – 9

d)

0 – 8

4.

What is the first step to convert ASCII to octal?

a)

Arrange the remainder from top to bottom

b)

Double the number

c)

Divide the ASCII value by 8

d)

Subtract ASCII from 100

5.

ASCII for the letter 'B' is 66. What is the octal value for 66?

a)

102

b)

110

c)

100

d)

88

6.

ASCII for lowercase 'a' is…

a)

85

b)

97

c)

100

d)

120

7.

The method 'repeated division by 8' is used to…

a)

Convert octal to binary

b)

Convert decimal to octal

c)

Add ASCII numbers

d)

Eliminate the remainder

8.

In the process of converting decimal to octal, the remainder should be read…

a)

Middle to left

b)

Top to bottom

c)

Bottom to top

d)

Randomly

9.

What is the ASCII for the character '0' (zero)?

a)

30

b)

48

c)

60

d)

80

10.

The ASCII value 72 in octal is…

a)

108

b)

110

c)

112

d)

104

11.

What is the purpose of ASCII encoding?

a)

Store images

b)

Represent characters as numbers

c)

Generate sound

d)

Control software

12.

If ASCII = 50, what is the first step in the repeated division technique?

a)

50 × 8

b)

50 ÷ 8

c)

8 ÷ 50

d)

50 – 8

13.

The letter 'C' has an ASCII value of…

a)

67

b)

68

c)

70

d)

65

14.

In converting ASCII to octal, the division result should continue until…

a)

A remainder of 8 is obtained

b)

A whole number is obtained

c)

The division result becomes 0

d)

The division result exceeds ASCII

15.

The ASCII value 120 in octal is…

a)

168

b)

170

c)

150

d)

180