Input and output devices generate interrupts, and sends signals that inform the operating system that something has occurred. Some examples of input and output devices are monitors, modems, and sound cards.
All posts by Mr Stratton
Description and exemplification of the main functions of a single user operating system: memory management
Controls where programs are placed in main memory. Many OS’s allow more than one program to be placed in main memory at the same time. Memory management ensures that software doesn’t replace any other running operations such as the computer OS.
Description and exemplification of the main functions of a single user operating system: file management
File Management: This is the part of the OS which searches and stores files. The main functions are:
- managing directories, keeping an eye over which files are stored where
- protecting the integrity of files by giving methods on controlling how files are accessed
- asking for data transfers from either input or output devices
Description and exemplification of the main functions of a single user operating system: interpreting users commands
The Command Language Interpreter (CLI) allows the user to give instructions to the computer. The CLI may be command driven or menu-driven. The CLI’s job is to interpret or make sense of commands entered by the user and do its best to carry them out. If a mistake is made, then the CLI should display an error message.
FAQ: Description of the function of a bootstrap loader
A Bootstrap loader is an important piece of software which is held in ROM. As soon as you power up your computer system it starts to run. It looks for the operating system ( usually held on disk) and begins to load it into main memory. 🙂
Shared Presentations
The next few posts will be from the shared presentations.
End of taught course
Well that’s all the lessons over with, however, the course isn’t over till the exam.
If you require any help, assistance, notes, marking or anything else, just ask. Remember DON’T ASK, DON’T GET!
You can email me, post to the blog or just drop in.
Good luck, more posts and a round up of today’s lesson to come.
Follow me @CHSPTICM on twitter for instant updates.
Glow Meet
Goodbye S6
Well you’re off to pastures new! I’ll organise a video conference for the lesson tomorrow. I’ll figure it out tonight and bring in a web cam. Remember if you have any questions then just post here.
Revision Notes
There are a number of good revision notes in the links at the side of the page. Using these along with the glossary and paper notes you have been given will give you a good start in revision.
Remember, revision notes should be of your own making. The process of creating a set of revision notes is key to learning and understanding the topic.
As well as all the paper notes you have don’t forget about the YouTube playlists, Scholar and the other school’s weblinks below.
