Character Sets Quiz

How many bits are needed to represent 26 letters in the alphabet?

• 3

• 4

• 6

• 5

What is the minimum number of bits needed to store 128 unique characters in a character set?

• 5

• 6

• 8

• 7

What was the original character set that became an accepted standard in the early days of computer science?

• EBCDIC

• Unicode

• ASCII

• Extended ASCII

How many characters were identified by the 7-bit ASCII character set?

• 512

• 256

• 128

• 64

What is the name of the standard for a fully international and multilingual character set that includes emojis?

• UTF-8

• EBCDIC

• Unicode

• ASCII

In which variant of Unicode are the first 8 bits the same as ASCII and the other characters are encoded with 32 bits?

• UTF-16

• UTF-32

• UTF-24

• UTF-8

How many bits is Unicode now implemented as?

• 64-bit

• 24-bit

• 16-bit

• 32-bit

What was the purpose of using 6-digit hexadecimal to express Unicode numbers?

• To simplify the binary representation of characters

• To increase the number of characters that can be stored

• To reduce the number of bits needed for each character

• To make it easier to refer to a particular character and their code

What was the number of bits in the Extended ASCII character set?

• 16

• 8

• 24

• 7

What was the purpose of character 7 in the ASCII character set?

• To store foreign language characters

• To cause the computer to beep

• To represent the letter A

• To represent a new line character