QUICK QUESTIONS WITH ANSWERS FOR REFERENCE

Powered by www.manyamfranchise.com - Created by: M.A Nyamoti   Summary of keyboard keys and uses

Powered by www.manyamfranchise.com - Created by: M.A Nyamoti   Computer systems computer system

Powered by www.manyamfranchise.com - Created by: M.A Nyamoti The computer laboratory A computer lab is a room set aside for installation and use of computers. Safety precautions and practices in the computer lab Computer systems are expensive to acquire and maintain, and should therefore be handled with care. Causes of computer damage and measures to avoid them Dust and Smoke-   dust and smoke damage the surface of the hard disk and other sensitive parts. To avoid them:

Powered by www.manyamfranchise.com - Created by: M.A Nyamoti  Introduction to Computers Quiz Exercise questions 1.   What are the different parts that make up a computer? 2.   CPU stands for? 3.   What is a Modem? What is it used for? 4.   Data that has been processed and has meaning is referred to as?

Powered by www.manyamfranchise.com - Created by: M.A Nyamoti  Introduction to Computer Answers 1.   What are the different parts that make up a computer? Mouse, Keyboard, System Unit, Screen(Monitor/VDU-Visual Display Unit) 2.   CPU stands for? Central Processing Unit 3.   What is a Modem? What is it used for? A modem is made from these two words: Mod ulation and Dem odulation this means converting digital signal into analogue for transmission and vice versa.

Powered by www.manyamfranchise.com Created by: M.A Nyamoti Areas where computers are used Just like all other machines, computers are used in a day-to-day life to make work easier and more efficient. Some important application areas of a computer are given below.

2.   Classification according to functionality

Powered by www.manyamfranchise.com Created by: M.A Nyamoti   Classification of computers   Computers can be classified according to physical size, functionality and purpose as shown in the organizational chart below