Character Representation in Computers

How many bits are needed to represent all the characters in the alphabet?

• 2 bits

• 5 bits

• 7 bits

• 8 bits

What is the minimum number of bits needed to store all the characters in the ASCII character set?

• 5 bits

• 7 bits

• 8 bits

• 24 bits

What is the purpose of a character set in a computer?

• To store binary codes for characters

• To represent emojis in text messages

• To convert characters into decimal numbers

• To determine the number of bits needed for each character

Which character set can represent the most characters?

• ASCII

• EBCDIC

• Unicode

• Extended ASCII

How many unique characters can be represented in the ASCII character set?

• 32

• 64

• 128

• 256

Which of the following is not a reason to use Unicode over ASCII?

• To provide a multilingual character set

• To represent ancient symbols and Chinese characters

• To represent the English Alphabet in upper and lower case

• To represent emojis in web pages

Unicode use which character set for it's first 127 character codes?

• Extended ASCII

• EBCDIC

• Unicode

• ASCII

How many characters can be represented in the Unicode character set?

• 128

• 256

• 16 million

• 24 billion

What is the binary representation of the capital letter A in ASCII?

• 0 0 0 0 0 0 0 1

• 0 1 0 0 0 0 0 1

• 1 0 0 0 0 0 0 1

• 1 1 0 0 0 0 0 1

What is the purpose of the first 31 characters in the ASCII character set?

• To represent special characters and instructions

• To store upper and lower case letters

• To represent foreign language characters

• To store punctuation and symbols