Chapter 1 Digital Literacy

Digital literacy involves having a current knowledge and understanding of computers, mobile devices, the internet, and related technologies

Computer

⇨ an electronic device, operating under the control of instructions stored in its own memory

1. Laptop

2. Tablet

3. Desktop

4. Server

Mobile and game devices

1. Smartphone

2. Digital Camera

3. Portable media player

4. E-book reader

5. Game console

accept data (input) ⇒ processing ⇒ produces information

Input device

• Keyboard
• Scanner
• Web camera
• Microphone
• Barcode readers
• Mouse

Output device

• Printer
• Headphones
• Speakers
• Moniter
• Robot
• Digital projector

Storage device

• Hard disc
• Memory card
• Optical disc
• Solid-state drive
• USB flash drive
• Cloud storage

Internet

The Internet is a worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals

1. World wide web

⤷A global library of information available to anyone connected to internet

2. Browser

⤷A software that enables users with an Internet connection to access and view webpages on a computer or mobile device

3. Search engine

⤷A software that finds websites, webpages, images, videos, news, maps, and other information related to a specific topic

4. Online sosial network

Digital safety and security

➤ viruses and other malware

➤ privacy

➤ health concerns

➤ environmental issues

Communication and network

➽ A communications device is hardware capable of transferring items from computers and devices to transmission media and vice versa

➽ A network is a collection of computers and devices connected together via communications devices and transmission media

Uses of technology in society

➣ education          

➣ goverment          

➣ finance          

➣ retail          

➣ entertainment          

➣ health care   

➣ travel   

➣ science   

➣ publishing   

➣ manufacturing