ASCII and Extended ASCII Quiz

How many bits are required to represent a character’s ASCII code?

• 4

• 7

• 8

• 32

How many different characters are represented in ASCII character set?

• 128

• 256

• Several billions

How many bits are required to represent a character’s Extended ASCII code?

• 4

• 7

• 8

• 9

Which of the following character sets allow encoding of characters used in English language only?

• ASCII

• Extended ASCII

• Unicode

Which of the following character sets allow encoding of characters used in English and European languages only?

• ASCII

• Extended ASCII

• Unicode

What is the maximum number of bits that is used in Unicode character coding to represent a character?

• 8

• 16

• 32

• 64

Which of the following statement is TRUE about Unicode?

• It uses a larger number of bits to represent a character.

• It represents characters of languages all over the world.

• Several code pages are used to represent Unicode.

• All of the above

What happens to the ASCII codes of characters in Unicode system?

• ASCII codes are changed according to Unicode system

• All ASCII codes remain the same

• Some of the ASCII codes are changed while some remain unchanged.

Which of the following statement is FALSE about ASCII character coding?

• The character codes of upper case characters have a smaller value when compared to lower case characters.

• The ASCII code of uppercase characters starts at hex value 41

• The ASCII code of lowercase characters starts at hex value 40

How many different characters are represented in Extended ASCII character set?

• 128

• 256

• Several billions of characters