Operating Systems

Operating Systems

1. An Operating System is the low-level software that supports a computer's basic functions, such as scheduling tasks and controlling peripherals.

2. The operating system is an essential component of the system software in a computer system. Application programs usually require an operating system to function.

3. The three most common operating systems for personal computers are Microsoft Windows, Mac OS X, and Linux.

4. Here is a list of all the functions Controls the backing store and peripherals such as scanners and printers. Deals with the transfer of programs in and out of memory .Organises the use of memory between programs .Organises processing time between programs and users. Maintains security and access rights of users. Deals with errors and user instructions. Allows the user to save files to a backing store. Provides the interface between the user and the computer - for example, Windows Vista and Apple OSX. Issues simple error messages

5. a graphical user interface is a type of interface that allows users to interact with electronic devices through graphical icons and visual indicators. Advantages include it can be user-friendly and speed up the user's work. It can be more attractive for non-technical people. In general, it looks more professional. But the disadvantages include when it is not properly built, it can be very difficult to work with. It generally requires more memory resources than a non-graphical one. It might require the installation of additional software. Depending on the programmer, it might require more time to be implemented

6. The CLI was the primary means of interaction with most computer system. Advantages include Control every aspect of your computer. Once you learn it properly, it is fast. You can do things at different times, such as setting a time for a download script. You could choose to download a new program when you are sleeping, for example. Everything in one place. Good for speed if you have a slow computer. Less graphics means less RAM used up while you perform tasks. You can use scripting language and even other programming languages. But Disadvantages include Lots to learn. It's not beautiful. Many of the advantages are mainly for Linux, not so much for Windows.