Skip to main content

Input and Output Devices

Input devices are computer equipment that we use to sends data into the computer. Without input devices, we cannot communicate with the computer. Some examples of input devices are:

Input Devices
  1. Keyboard
  2. Mouse
  3. Tracker ball
  4. Joystick
  5. Light pen
  6. Digital Camera
  7. Microphone
  8. Touch screen
  9. Video Digitizer
  10. Graphics tablet
  11. Scanner

Output Devices
Output devices are computer equipment that enables us to see the information processed by the computer. Output devices enable us to know what the computer is doing or has already done.
  1. Monitors or Visual Display Units (VDU's)
  2. Printers
  3. Plotters
Other devices

  1. Speakers
  2. LCD projectors


Popular posts from this blog

Health and Safety Using ICT Tools

Health and Safety using ICT Tools. Uses of ICT Tools Information and Communicating Technology (ICT) tools are computer-based equipment used for processing data and communication. Some ICT tools are

Television Public Address System Radio Mobile Phone Computer
ICT tools are very useful in many other ways. We watch television programs for entertainment, education and information. The Public Address System is used for making community announcements by amplifying the voice of the user. The radio presents programs, music and discussions that keep us informed and entertained. The Mobile phone helps us to stay in touch with our friends, family and colleagues and finally the computer enables us to surf the Internet and communicate with other people online, it is also a form of entertainment because we can use it to watch movies and listen to music as well. Computers can also be used in businesses for communicating, desktop publication, sound editing. Although it is unlikely that using ICT equipm…

Common Keyboard Symbols

The Keyboard
A keyboard is a rectangular computer equipment with buttons otherwise known as "keys". Each key represents the letter, symbol or number printed on it. It is an input device used for sending data to the computer.
Punctuation Marks
A simple paragraph may contain several punctuation marks. Punctuation marks are symbols used to clarify the content of a written material, i.e. separating words into sentences, clauses and phrases. Punctuation keys can be found on a keyboard. If you look closely at your keyboard you will realize that there are two punctuation marks on a punctuation key.
Typing punctuation keys that do not involve the  SHIFT key
To type the punctuation mark at the bottom of the key, simply press the key. However, the Shift key is used when you want to type the punctuation mark located at the top of a punctuation key. In this lesson, you will learn how to type punctuation marks that do not involve the Shift key. Examples of these punctuation keys are the comma (…