Coursework.Info - Inspiration in an Instant

On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:

Operating Systems An operating system is a set of programs designed to run in the background on a computer system, giving an environment in which application software can be executed. Most operating systems comprise a large set of programs, only some of which are stored in the processor memory all the time. Many of the routines available in the O.S. are stored on the hard drive so that they can be accessed when required. This not only saves space in the processor memory but also means that the O.S. can be easily changed to a different one. When a user is using an application package, he is not communicating with the computer hardware, he is communicating with the operating system. Without an operating system, no matter how many programs the user have, the computer is useless. The operating system sits between the hardware and the application program or user. The main purpose of an...

Get instant access

• Instant, unlimited access to our documents in full
• Swap your work for free access, or pay £4.99
• To see the full version of this document and 147,038 others

OR

Receive email updates for this category

• Simply tell us your email address and receive a weekly Study Help Email for FREE
• Receive 3 FREE essay views with each email
• Get all the latest essays from Coursework.Info & discussion from TheStudentRoom.co.uk