SUBJECT: I.C.T
CLASS:� SS 1
DATE:
TERM: 3rd TERM
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WEEK THREE
TOPIC: ICT-BASED GADGETS
Reference book: Hiit @ School, Computer Studies for Senior Secondary Education.
CONTENT
Gadgets are tools or machines or instruments that help to do something.
ICT gadgets or tools are information and communication equipments. These include computer hardware (i.e. printer, PCs, network storage/ network devices, scanner etc) technology for broadcasting voice and sound images i.e. microphone, camera, loudspeaker, telephone to cellular phone, MP3, MP4, iPod, etc. the gadgets or devices used in ICT are too numerous and inexhaustible. Some of these tools are:
- Radio set: is an electronic device that receives its input from an antenna, uses electronic filters to separate a wanted radio signals from all other signals picked by this antenna, it amplifies it to a level suitable for further processing and converts through demodulation and decoding the signal into a form usable for the consumer such as sound. It is an effective way of transmitting video or audio information broadcast on radio reaches out to thousands of audience at the same time in a different geographical location.
- Computer: is an electronic device for storing and processing data. It is used for transmission of textual and graphical information.� Computers come in various types. Some common computer types are: Personal Computer (PCs), laptops, Ipad.
- Fax machine: stands for facsimile i.e. make an extra copy of something. It is an electronic device that can send or receive pictures and texts over a telephone line.
- Mobile phones: is an electronic handheld device used to make mobile telephone calls. Common manufacturers of mobile phones are: Motorola, Nokia, Samsung, Blackberry etc.
- Television set: is a device that is used to view television broadcast. Modern television consists of a display, antenna or radio frequency, input and a tuner.
- Dispensing machine (a vending machine): is a machine which dispenses items such as snacks, beverages, lottery, tickets etc to customers automatically.�
- Automated Teller Machine: commonly called a cash point. It is a computerised device that provides the clients of financial institutions access to financial transactions in a public space without the need of a cashier, human clerk or bank teller.
- Satellite: this is an information transmission method through cable or wireless by the use of a satellite dishes.
- VSAT: is advance telecommunication equipment for receiving digital broadcast. It stands for Very Small Aperture Terminal.
- Point of Sale Machine Automated Cash registers (ACR): this is a machine that is used to carry out retail transactions. It can provide many services such as credit card processing, cash transaction etc.
Evaluation
Mention any 5 ICT- based gadgets and explain.
Reading Assignment
Hiit @ School, Computer Studies for Senior Secondary Education. Pages 40-41.
WEEKEND ASSIGNMENT
- Which of the ICT-based gadgets is commonly called cash point? a) ACR b) VSAT c) Radio set d) ATM.
- A machine that is used to carry out retail transactions is a) VSAT b) ACR c) radio set d) satellite
- A device that can send or receive pictures and texts over a telephone line is a) fax machine b) ATM c) Computer d) Photocopier
- Which of these machines dispenses items such as snacks? a) ATM b) ACR c) Computer d) Nokia
- An electronic device that is used fro storing and processing data is a) Computer b) database c) ATM d) ACR.
THEORY
- List other 5 ICT-based gadgets apart from the ones listed above.
- Explain the functions of the listed ICT tools.
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