Operating systems

Operating systems

1. What is an operating system?

   • Is the software that supports a computers basic functions, such as running tasks.

2. What are the most common operating systems today?

   • Apple IOS
   • Windows
   • Linux

3. What is the purpose of an operating system?

   • Controls the computers hardware and software.

4. Functions of an operating system

   • Boosting the computer
     • Gives the computer the information it needs to start up.
   • File management
     • Manages all of the files and documents on a computer
   • Memory
     • Deals with the transfer of programs in and out of memory.

5. What is GUI?

   • GUI is graphical user interface. A GUI user will choose an option usually by pointing a mouse at an icon that representing an option on the screen rather then using code.
     • Advantages
       • Easier to use.
       • It is user friendly and speeds up working time.
       • Good place to start for beginners.
       • Attractive and more pleasing for the eye.
     • Disadvantages
       • Normally needs more memory storage.
       • Difficult to work when not set up properly.
       • May require an installation for additional software.

6. What is CLI?

   • Command-line interface. This is when the options and screen etc... shows as code. The user then has to write in code to tell the computer exactly what to do.
     • Advantages
       • If you have a career in code, it can be very easy to use.
       • It is very powerful, and you have more control.
     • Disadvantages
       • There is no media.
       • You have to be an expert to know what you are doing.