An electronic device, operating under the control of instructions stored in its memory
Accepts data ➨ processing ➨ Produces information
(input) (output)
Examples of Computers: Laptop, tablet, desktop & server.
Examples of Input Devices: keyboard, pointing devices & scanner
Examples of Output Devices: printer, display and speakers
What is Internet?A worldwide collections of networks that connects millions of business, government agencies, educational institutions and individuals.
What is Web server?
A computer that delivers requested webpages to your computer.
What is Browser?
Software that enables users with an internet connection to access and view webpages on a computer/mobile devices.
⤿ Chrome / Firefox
What is Search engine?
Software that finds websites, webpages, images, videos, news, maps & more information related to a specific topic.
⤿ Google / Yahoo
What is Online Social Network?
Encourages members to share their interest, stories, photos, music and videos with other registered users.
⤿ Instagram / Facebook / Twitter
Next; Digital Safety & Security
What is Green Computing?
Involves reducing the electricity consumed and environmental waste generated.
Strategies:
i)operating system ii)utility programs
⬋ ⬊
examples: examples:
windows & mac os firewall & antiviruses
Communications & Networks
What is Communications?
Capable of transferring items from computers and devices to transmission media and vice versa.
Examples: Cellular radio / Wi-Fi / Bluetooth
What is Networks?
A collection of computers and devices connected together.
Examples of technology users:
Home users / mobile users / small or home office users / enterprise users & power users
Examples of Input Devices: keyboard, pointing devices & scanner
Examples of Output Devices: printer, display and speakers
Computers keep data on a storage media (CD/DVD)
What is Internet?A worldwide collections of networks that connects millions of business, government agencies, educational institutions and individuals.
What is World Wide Web (web)
A global library of information available for anyone connected to the Internet.
What is Webpage?
A collection of related webpages.
What is Webpage?
A collection of related webpages.
What is Web server?
A computer that delivers requested webpages to your computer.
What is Browser?
Software that enables users with an internet connection to access and view webpages on a computer/mobile devices.
⤿ Chrome / Firefox
What is Search engine?
Software that finds websites, webpages, images, videos, news, maps & more information related to a specific topic.
⤿ Google / Yahoo
What is Online Social Network?
Encourages members to share their interest, stories, photos, music and videos with other registered users.
⤿ Instagram / Facebook / Twitter
Next; Digital Safety & Security
Factors:
- avoid viruses and other malwares
- health concerns
- environmental issues
- privacy
What is Green Computing?
Involves reducing the electricity consumed and environmental waste generated.
Strategies:
- recycling
- using energy efficient hardware and energy saving features
- regulating manufacture process
- extends the life of computers
- immediately donating and properly disposing of replaced computers
Programs and Apps
What is Software?
Also called a program that tells computer what to perform and how to perform them.
Also called a program that tells computer what to perform and how to perform them.
⬐ System Software & application software
⬊ examples: word/exceli)operating system ii)utility programs
⬋ ⬊
examples: examples:
windows & mac os firewall & antiviruses
Communications & Networks
What is Communications?
Capable of transferring items from computers and devices to transmission media and vice versa.
Examples: Cellular radio / Wi-Fi / Bluetooth
What is Networks?
A collection of computers and devices connected together.
Examples of technology users:
Home users / mobile users / small or home office users / enterprise users & power users
