1
Q
Functions of operating system
A
- input and output control
- error handling
- providing a user interface
2
Q
Describe CLI
A
Command line interface - can access everything on the computer system
3
Q
Pros of CLI
A
- Low resolution,cheap monitors can be used
- Uses much less memory(RAM) than any other interface type
- Knowing the correct commands, this can be much faster
4
Q
Cons of CLI
A
- Can be confusing
- Commands have to be typed precisely
- Large number of commands need to be learned
5
Q
Describe GUI
A
Graphical user interface - use graphics to stand for the complicated actions - use a mouse to select the icons
6
Q
Advantages of GUI
A
- easy to use
- do not have to learn complicated commands
- exchange data between different software
7
Q
Disadvantages of GUI
A
- larger amount of hard disk space than other interfaces
- use more processing power
- slow for experience programmers to use
8
Q
Describe the protection form software piracy?
A
- Serial number
- ## Encryption, coded software
