Chapter 1 : Digital Literacy

Computers

• An electronic device, operating under control of instructions stored in its own memory.
• Steps : Accept data (input) > Processing > Produces information (output) 
• Type of computer : Laptop, dekstop, tablet, server

 Mobile and Game Devices

• Type of mobile and game device : Smartphone, digital camera, portable media player, e-book reader, console

 Data and Information

• A keyboard contains key you press to enter data and insructions into computer or mobile devices.
• A scanner is a light-sensing input device that converts printed text and images into a form the computer can process.
• Output device : Any hardware component that conveys information from a computer or mobile devices to one or more people.
• Type of data and information : Hard disk, solid-state drive, USB flash drive, memory card, optical disk, cloud storage.

Internet

• A worldwide collection of network that connect million of bussinesses, government agencies, educational instituitions and individuals.
• Web : Global library of information available to anyone connected to the Internet.
• Webpage : Consists a worlwide collection of electronic documents.
• Website : Collection of related webpages.
• Web server : Computer that delivers requested webpages to our computer.
• Browser : Software that enables users with an internet connection to access and view webpages on a computer or mobile devices such as chrome and firefox.
• Search engine : Software that find websites, webpages, images, videos, news, mapsand other information related to a specific topic such as google and yahoo.
• Online social network : Encourages people to share their interests, ideas, stories, photos, musics with other registered users such as facebook, instagram and twitter.

Digital Safety and Security

• Green computing : Reduce the electricity consumed and enviromental waste generated  when using computer.
• Strategies : Recycling, extending the life of computers, regulating manufacturing processes.

Program and Apps

• Software/program : Tells the computer what task to perform  and how to perform them.
• System software : Windows, Mac OS, antivirus, firewall
• Application software : Word, Excel

Communications and Networks

• Communication device : Transfer items from computers and devices to transmission media and vice versa.
• Network : Collection of computers and devices connected together via communications devices and transmission media.
• Example : GPS, Internet, Email, Wi-fi, Bluetooth, Cellular radio

 Uses of technology in society : 

• Education, government, finance, retail, entertaiment, travel.

Technoloy users :

•  Home user, mobile user, power user, enterprise user, small/home office user