OPERATING SYSTEM FUNCTIONS
par Nur Mazni
1. Starting Computers and Mobile Devices
1.1. if a computer or mobile device is off, you press a power button to turn it on
2. Command-line interface
2.1. interacting with a computer program where the user (or client) issues commands to the program
2.2. a user types commands represented by short keywords or abbreviations or presses special keys on the keyboard
2.2.1. to enter data and instructions
3. Handles programs directly affects your productivity
3.1. Single tasking and multitasking
3.2. Foreground and background
3.3. Single user and multiuser
4. Various power options
4.1. Sleep mode
4.1.1. saves any open documents and running programs or apps to RAM
4.1.2. turns off all unneeded functions
4.1.3. places the computer in a low-power state
4.2. Hibernate mode
4.2.1. saves any open documents and running programs or apps to an internal hard drive
5. User interface (UI)
5.1. controls
5.1.1. how you enter data and instructions
5.1.2. how information is displayed on the screed