Operating systems - Crossword

Clues

1. The core software that manages hardware and resources and provides a platform for applications. (15)
2. Allows a person to control the computer by taking input and displaying output. (13)
3. Running several programs at once so the user can switch between them. (12)
4. Software that lets the operating system communicate with each hardware device. (7)
5. Allocating accounts, access rights and security for different people. (14)
6. Naming, organising, moving and saving documents and folders. (14)
7. The environment provided by the operating system on which applications can run. (8)
8. The operating system function that moves programs and data between secondary storage and RAM. (16)