Character Sets

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