Web Publishing and Power Point

1. INTRODUCTION TO
COMPUTRES.
COMPUTER SYSTEM

2. What is a computer?
A computer is a digital electronic machine that can be programmed to carry out sequences of
arithmetic or logical operations automatically. Wikipedia

3. www.shutterstock.com

4. Basic operations of computer
Inputting: a process of entering data into a computer. This is done using input devices like
printer, mouse, joystick etc. www.merriam-webster.com
Storing: Data and instructions entered in a computer are stored in a memory for future use.
Devices used for storing include memory card, external hard drive, compact disk etc.
www.dictionary .com
Outputting: Any information processed by and sent out from a computer. Devices used for
outputting include monitor, speakers, printer etc. www.computerhope.com
Processing: series of actions that is performed by central processing unit ( CPU) when it receives
information. www.easytechjunkie.com
Controlling: the ability to manage, organize and control all components of a computer.
www.computerhope.com

5. What is a computer made of?
Any computer is made up of software and hardware.
Software are instructions that tells a computer what to do and how to do it.
Hardware are tangible and physical parts of a computer that function under a condition of
software.

6. Computer hardware

7. Computer software