Edexcel Computer Science 2020 - Unit 04 - Quiz 01

Which of these is not secondary storage?

• Magnetic

• Optical

• Solid State

• Floppy Disk

What is embedded System?

• A small computer designed to complete a specific task

• A small computer that completes many tasks at one

• A small computer that is not portable

• A small computer that is very slow

The top node of the the file directory is called the root directory

• True

• False

What is disk defragmentation?

• The process of moving blocks of data into sequential order on a drive.

• The process of putting files into alphabetical order

• The process of adding new files to the hard drive

• The process of removing old files

Should disk defragmentation be run on a SSD drive

• Yes

• No

What is a data backup?

• The process of creating a duplicate copy of data

• The process of making files smaller

• The process of repairing files

A back up should be kept in a different location to the original files

• True

• False

What is file compression?

• Moving files via wifi

• Making files smaller

• Allowing files to be opened on different workstations

• making files read only

Lossless file compression forever reduces the quality of the file

• True

• False

Lossy file compression forever reduces the quality of the file

• True

• False