Health And Safety In Using ICT Tools

By the end of this unit, students will be able to;
a.  State some ICT tools
b.  State some hazards associated with ICT tools
c.  State the causes of the Hazards
d.  State the safety precautions for the use of ICT tools

Examples Of ICT Tools
1. computer
2. Television
3. Radio
4  calculator
5.  Digital Camera
6.  Mobile Phone
7.  DVD Player
8.  Public Address System
9.  Video Cassette Recorder (VCR)

COMPUTER
Computer is an electronic device that accepts data as input, processes it and produces output.

TELEVISION
Television is for broadcasting and receiving moving pictures and sound over a distance

RADIO
 * Has two parts: the receiver and transmitter
* The transmitter takes the message
* The receiver receives the sound of the massage

CALCULATOR
* It is a digital type of a computer that speeds up calculation and aid in arithmetic

DIGITAL CAMERA
* It is an electronic device used to capture and store photographs electronically in a digital format

MOBILE PHONE
* It is a portable electronic device used for mobile communication
* It can be used to send and SMS messages
* It can also be used for browsing when connected to the internet

DVD PLAYER
* DVD player stands for Digital Versatile Disk. It is used to play music and videos on either CD or DVD

PUBLIC ADDRESS SYSTEM(PA SYSTEM)
*  PA system is used to reinforce a given sound to the general public

CASSETTE RECORDER
* Cassette recorder (VCR) is more commonly known as the video recorder.
*It is a type of video tape recorder that uses removal video tape cassettes containing magnetic tape to record audio and video from a television broadcast so that it can be played back later.


Self Questions
1.  State five(5) ICT tools
2.  Mention the Hazards associated with the above mentioned tools
3.   State the safety precautions for the use of ICT tools stated above
4.  Write the basic electronic device responsible for the following operations :
i.   Processing of raw data into meaningful information
ii.   Producing hard copy of information
iii.  Displaying of processed data on screen
iv.   Device that sends images into the computer in digital format

v.   Ensuring constant flow of electronical power to the computer system.