Quiz on ASCII, Unicode, and Sound Representation

What is the maximum decimal value represented by standard ASCII?

• 255

• 63

• 127

• 128

How many bits does standard ASCII use to represent a character?

• 6 bits

• 7 bits

• 8 bits

• 4 bits

What is the hexadecimal representation of the character 'A'?

• 61

• 51

• 31

• 41

What is the main disadvantage of ASCII?

• Complex encoding

• Slow processing

• High file size

• Limited character set

What coding system was developed to represent all languages of the world?

• ASCII

• ISO-8859-1

• Unicode

• UTF-8

What is the maximum number of characters Unicode can represent?

• Over a million

• 128

• 256

• 65536

What is the sampling rate of CDs?

• 48 kHz

• 96 kHz

• 44.1 kHz

• 22.05 kHz

What does the term 'sampling resolution' refer to?

• Bits used per sample

• Number of samples taken

• File size

• Quality of sound

What is the bit depth of a standard CD audio?

• 16 bits

• 8 bits

• 24 bits

• 32 bits

What is the primary function of an analogue to digital converter (ADC)?

• Measure frequency

• Store sound data

• Convert digital to analogue

• Sample sound waves