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

Logic

Law & Legislation

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 Sof'wre

Operating system

Answer
​Manages files (1) provides a structure and system / directories for the management of files / allows files to be manipulated (saved, renamed, moved, copied and deleted). (1)
Process management (1) allocating / sharing processor time / resources to running programs. (1)
Manages memory (1) assigning (blocks of) memory to running programs as required. (1)
Manages hardware / drivers (1) to receive data from input devices and to send processed data to output devices. (1)
Answer
Any one of
  • input/output
  • resource allocation
  • process management
  • network management
  • user management