Page 19 - Viva ICSE Computer Studies 8 : E-book

Computer Etiquette

Always check the operating system installed in your computer before using it. It is essential to have
knowledge about the operating system in order to work properly.

Tech Terms

DOS: Disk operating system
CUI: Character user interface
GUI: Graphical user interface

Quick Recall

• A computer works with an interaction of hardware and software.
• Software is of two types: system software and application software.
• An application software consists of programs that are required to perform specifi c types of work
for the end users on a computer.
• An operating system acts as an interface between the user and hardware.

• A user interface is a point where two systems meet and interact with each other.
• Two common user interface are character user interface (CUI) and graphical user interface (GUI).
• GUI is graphics-based and attractive.

A. Fill in the blanks.

1. ________________ manages all the resources that are attached to the system.
2. A single-user operating system is designed for the use of a ________________.
3. A point where two systems meet and interact with each other is called ________________.
4. An act of performing multiple tasks at the same time is called ________________.
5. There are ________________ types of user interface.

B. State whether the following statements are true or false.

1. A computer works with an interaction of hardware and software. _________
2. Single-user operating systems are designed for multiple users. _________
3. A multitasking operating system allows the user to perform multiple
tasks using one CPU. _________

4. Character user interface is graphics-based. _________
5. Graphical user interface uses icons to interact with the system. _________

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