CHAPTER 1 – DIGITAL LITERACY


CHAPTER 1 – DIGITAL LITERACY

1) Computers
- An electronic device, operating under the control of instructions stored in its own memory
A computer keeps data, instructions, and information on a storage media (CD/DVD)


Accepts data (input) ⟶ Processing ⟶ Produce information (output)


-Types of computers
  • Laptop


  • Tablet



  • Desktop

  • Server


2) Mobile and Game Devices
  • Smartphone
  • Digital camera
  • Portable media player
  • E-book reader
  • Game console
3) Data and Information

🔷Input🔷
Keyboard
To enter data and instructions into a computer or mobile device

Pointing Device

Speak Data Instruction

➤ Scanner
A light-sensing input device that converts printed text and images into a form the computer can process

🔶Output🔶
Any hardware component that conveys information from a computer or mobile device to one or more people
Printers

➢ Display

Speakers
  • Earphones
  • Headphones
4) Internet
- A worldwide collection of networks that connects millions of businesses, government agencies, educational institutions, and individuals
  • The world wide web(www) global library of information available to anyone connected to the Internet
  • Web↝ consists of a worldwide collection of electronic documents, each of which is called a webpage
  • Website↝ a collection of related webpages
  • Web servercomputer that delivers requested webpages to your computer
  • Browser↝ software that enables users with an Internet connection to access and view webpages on a computer or mobile device. (chrome,firefox,etc)
  • Search engine↝ software that finds websites, webpages, images, videos, news, maps, and other information related to a specific topic. (google, yahoo)
  • Online social network↝ (fb, instagram, twitter)

5) Communications and Networks
↳ communications device is hardware capable of transferring items from computers and devices to transmission media and vice versa



Differences between Home and Business Networks
Home Network
Business Network
Connect to the Internet
Facilitate communications
Share a single high-speed Internet connection
Share hardware
Access photos, music, videos, and other content
Share data, information, and software
Share devices

Play multiplayer games

Connect game consoles to the Internet

Subscribe to and use VoIP


6) Uses of Technology in Society
 Education
Government
Finance
Retail
Entertainment
Health Care
Travel
Science
➸ Publishing 
Manufacturing

7) Types of Users:

Home User
Office User
Mobile User
Power User
Enterprise User




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