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Total questions: 10
Worksheet time: 5mins
How many bits are used to represent each character in the ASCII character set?
5
6
7
8
How many characters are contained in the ASCII character set?
64
128
256
512
In ASCII the character A is represented by the numeric code 65.
Which character is represented by the numeric code 70?
E
F
f
e
Which of the following is not contained in the ASCII character set?
!
@
:)
Which of the following statements is false?
ASCII stores each character in 7 bits
ASCII only represents uppercase letters
Character codes in ASCII are grouped together and run in sequence
ASCII and Unicode use the same character codes up to character number 127
How many extra bits would be required to extend the maximum number of ASCII characters to 256?
1
2
3
4
Which of the following is an advantage of the Unicode character set?
Saves space on a computer hard drive
Quicker to process information
Represents characters from alphabets across the world
Easier to convert characters into binary
Which of the following is an disadvantage of the Unicode character set?
Increases space used on a computer hard drive
Can't represent symbols or emoji
Only represents characters from the British alphabet
More difficult to convert characters into binary
How many bits are used to represent the following word using the ASCII character set?
Apple
30
35
40
45
How many bits are used to represent the words below using the ASCII character set?
My friends
49
56
63
70
