Edexcel curriculum (2015)

Algorithms

Application sof'wre​

Ascii

Binary

Cache

Client-Server

Cloud

Compression

Computational think

CPU

Cyber security

Database

Fetch-d-e cycle

Embedded system

Encryption

Environment

Ethics

File size

Flow chart

Hexadecimal

High Level language

ISP/Internet

Law & Legislation

Logic

Magnetic HDD

Networking

Open source

Operating system

Optical storage

Peer to peer

Pictures (data rep)

Protocols

Run length encoding

RAM

ROM

Simulation software

Solid state HD

Sound

Stored program

Utility Software

Utility software

Answer
​An explanation that makes reference to two of the following points:
• Defragmentation software moves file blocks closer together (1)
• Compression software reduces file sizes using less space (1)
• Use backup software to move files to a secure place and deleting files on the hard disc frees up space (1)
and
• this speeds up disc access times to the files (which will improve the speed of the disc) (1)