10 Minute Test 4 - Data representation

Which of these units of data is the largest?

• Gigabyte

• Megabyte

• Kilobyte

• Terabyte

Which of these units of data is the smallest?

• Gigabyte

• Megabyte

• Kilobyte

• Terabyte

Which of the following denary values represents the Hexadecimal character E

• 15

• 13

• 14

• 12

Which of the following BINARY values represents the Hexadecimal character E

• 1111

• 1110

• 1101

• 1100

Unicode is a character set which has characters for

• all major languages

• the English language only

• every language used in the world

ASCII is a character set which has characters for

• all major languages

• the English language only

• every language used in the world

The size of a sound file (in bits) is calculated using the formula...

• sample rate x bit depth + duration

• sample rate x bit depth x duration

• sample rate / bit depth + duration

sample rate is the...

• number of samples taken per second

• number of bits available per sample

• number of seconds long a sound is

bit depth is the...

• number of samples taken per second

• number of bits available per sample

• number of seconds long a sound is

Which of the following binary numbers represents the denary number 25

• 0001 1001

• 0001 1010

• 0001 0111

• 0001 1100