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Topic 2.3 Keywords

Total questions: 11

Worksheet time: 6mins

Name
Class
Date
1.

Successive digits represent multiples of 1, 2, 4, 8, 16 etc, multiplying by 2 each time. 

a)

Binary multiples

b)

Denary multiples

c)

Hexadecimal multiples

2.

Kibibyte

a)

is a unit of data storage that equals 1024 Megabytes

b)

is a unit of data storage that equals 1000 bytes

c)

is a unit of data storage that equals 2 to the 10th power, or 1,024 bytes.

3.

Mebibyte

a)

(MiB) is a unit of measurement used in computer data storage. 1024 bytes

b)

(MiB) is a unit of measurement used in computer data storage. 1024 Kibibytes

c)

(MiB) is a unit of measurement used in computer data storage. 1024 Gibibytes

4.

Gibibyte

a)

(GiB) is a unit of measurement used in computer data storage. 

1024 Mebibytes

b)

(GiB) is a unit of measurement used in computer data storage. 

1024 Kibibytes

c)

(GiB) is a unit of measurement used in computer data storage. 

1024 tebibytes

5.

The process used to reduce the storage space required by a file

a)

Compression

b)

Encryption

c)

Saving

6.

Compression is particularly important for sharing files over _________ or the Internet

a)

Networks

b)

Lunch

c)

Computers

7.

Downloading a __________ file is faster than downloading the full version

a)

Compressed

b)

Encrypted

c)

Hashed

8.

Lossy compression will ____________ remove data from a file.

a)

sometimes

b)

temporary

c)

permanently

9.

A lossless compression will allow the _____ contents of a file to be fully reconstructed.

a)

most

b)

exact

c)

some

10.

Images, audio and video use what type of compression?

a)

Lossy

b)

Lossless

11.

Text, apps, code, spreadsheets and databases use what type of compression?

a)

Lossy

b)

Lossless