Data - 3.3 Data storage and compression

Question 1

Decimal prefix:

Answer 1

multiplies a unit by powers of 10.

Question 2

Binary prefix:

Answer 2

multiplies a unit by powers of 2.

Question 3

Compression:

Answer 3

Changing the format of data to decrease it’s size.

Question 4

Lossless compression:

Answer 4

compressing a file in a way that doesn’t result in data loss.

Question 5

Lossy compression:

Answer 5

compression where some of the data is removed.