Operating Systems
Operating systems help provide a way for application software to communicate with the computer hardware and use its resources.
They consist of programs and data help run the computer and manage hardware. They provide common services to allow easy execution of application software.
Types of Operating Systems
Batch - A Batch OS is operating system which analyzes your input into the system and then groups them into batch's according to different characteristics.
Real Time Operating System (RTOS) - Real-time operating systems are used to control machinery, scientific instruments and industrial systems in real time (live).
Single user, Single task - Designed to allow one user effectively manage one task at a time.
Single user, Multi tasking - This allows a single user to run multiple applications at a time.
Multi-user - Allows multiple users to take advantage of the computers resources at the same time.
Processing
Batch processing is execution of a series of programs ("jobs") on a computer without manual intervention. e.g. Cheque processing
Real time processing is data processing that appears to take place, or actually takes place, instantaneously upon data entry or receipt of a command.
You need to really get going on chapter 2. Here's a start for you: http://computer.howstuffworks.com/operating-system3.htm
ReplyDeleteAlso add you BLOG LABELS list to the side panel to help organise your posts. GYou can also change colour of the blue Blogger bar at the top!