Understanding Computer Character Sets

What does binary code represent in a computer system?

• Characters and data

• Graphical images

• Internet protocols

• Sound waves

How many possible characters can be stored using two binary digits?

• Sixteen

• Four

• Eight

• Two

What is the minimum number of bits needed to represent the 26 letters of the alphabet?

• 4 bits

• 6 bits

• 3 bits

• 5 bits

What does a character set define?

• A list of binary numbers

• A programming language syntax

• A list of recognized characters

• Internet protocols

How many unique characters can be represented by a 7-bit character set?

• 64 characters

• 128 characters

• 512 characters

• 256 characters

What was the purpose of ASCII in the early days of computer science?

• To encode sound

• To encrypt data

• To standardize character encoding

• To compress files

How many characters can an 8-bit Extended ASCII character set identify?

• 1024 characters

• 512 characters

• 128 characters

• 256 characters

What character caused the computer to beep in ASCII?

• Character 32

• Character 13

• Character 7

• Character 0

What is Unicode designed to include?

• Only English characters

• Characters from every written language

• Only numeric characters

• Only ASCII characters

How is Unicode implemented in web pages?

• ASCII

• UTF-8

• Binary

• EBCDIC