Images, Characters, Sound & Compression Reading

What is the character set used by computers to represent English characters?

• ASCII

• Binary

• Hexadecimal

• Octal

How many bits does ASCII use to represent characters?

• 7 bits

• 8 bits

• 16 bits

• 32 bits

Extended ASCII uses ___ bits, allowing for 256 characters.

What is the main advantage of Unicode over ASCII?

• Larger character set

• Faster processing

• Less memory usage

• Simpler structure

In a simple black and white image, if 0 is black, what does 1 represent?

• White

• Grey

• Red

• Blue

The number of bits used to record each sample in sound is called ___ depth.