Data representation

What are the correct column headings for 4 bit binary?

• 1, 2, 3, 4

• 8, 4, 2, 1

• 4, 3, 2, 1

• 1, 2, 4, 8

Convert 01000010 from Binary to Decimal?

• 35

• 66

• 78

• 57

Convert 001100010 from Binary to Decimal?

• 84

• 98

• 102

• 79

Convert 71 from Decimal to Binary?

• 0100 0111

• 0011 0110

• 0101 1110

• 0010 1000

Convert 255 from Decimal to Binary?

• 1111 1111

• 1110 1111

• 1111 0000

• 0110 1110

1111 1110

• EF
• FE
• DE
• ED

1010 0011 

• 63
• 93
• B3
• A3

Define the term 'sampling'.

• Snapshots of sound are taken as the wave cannot be represented as a series of continuous changes.
• The number of samples taken each second
•  The number of bits used per second of audio
•  The number of bits available for each clip

Define the term 'bit depth'.

• Snapshots of sound are taken as the wave cannot be represented as a series of continuous changes.
• The number of samples taken each second
•  The number of bits used per second of audio
•  The number of bits available for each clip

Define the term 'bit rate'.

• Snapshots of sound are taken as the wave cannot be represented as a series of continuous changes.
• The number of samples taken each second
•  The number of bits used per second of audio
•  The number of bits available for each clip