The purpose of operating systems
- 2. Memory management It’s a process in which computer search for a memory to a programs that are run in the same time. Virtual memory- it’s a data storage that keeps and separate the memory addresses accessed before by the user, this process increase amount of used RAM and transfer data to the secondary storage. Virtual memory can have an impact on how well computer will work because of its amount on the computer storage.
- 3. USER INTERACTION To save file on the computer we need to have a storage which would be a hard drive. After installing an operating system on the computer we will be able to save and create files easily there are few ways to save file: First we click right button on the mouse and press save file as or we go on open document and we looking for a save as link. Also We are able to switch between windows by clicking on them with the mouse and selecting theme from the source which would be a start panel. Also we can use pointers, icons and links to go to the different windows. Command line interface is a panel in which we write a commands and the operating system fallow them and make sure that does commands are done.
- 4. Components communication Transferring power- power is needed to run the computer and its transferred from one location to the other BIOS- its check if any computer system(hardware, software) is connected to the computer if not it gives an information about it and the user is able to fix that problem. Connection between motherboard and the computer- that connection allow the mother board to track down all the computer interfaces and computer actions also its works like a brain of the computer.
- 5. File Management File Allocation Table- It’s a table that locates any data on a computer, if computer went through fragmentation files may be divided and allocate all around computer FAT keep a track of them.
- 6. Securing files Access to the file- the people who are allow to access this file are: Me, College stuff and teachers. We can I do with this file? There are many things I am able to do with this file for example: I can scan this file, I can locate and open it in different programs also I can make a copy of it and save it on my hard drive and I can delete this file from my computer. Things I can’t do with the file are I can’t transfer it on to a cd, I can’t change its properties.