CHAPTER 1: DIGITAL LITERACY

CHAPTER 1: DIGITAL LITERACY

A world of Technology

 Because technology changes, you must keep up with the changes to          remain digitally Literacy.
        Digital Literacy involves having a current knowledge and understanding computer, mobiles devices, the internet and related technologies.
        
     Introduction to Computer

Computer and it's devices
  A Computer is an electronic device,operating under the control of instructions  that stored in its own memory.
The computer runs by a small Component called CPU. This CPU works by accepting raw data (called input), process the raw data,stored the data and produces useful information (called output). 

Computer came in many ways such as:
Laptop(came in features of Keyboard, screen and hinges)

Tablet(came in features of touchscreen)


Desktop(one of the devices that shows Output known as information) 

Server



Gaming and Mobile devices
Smartphone
Digital Camera
Portable Media player
E-book reader
Game console
Data and Information
A keyboard contains keys you press to enter data and instructions into a computer or mobile device
A pointing device is an input device that allows a user to control a small symbol on the screen called a pointer

Some mobile devices and computers enable you to speak data instructions using voice input and to capture live full-motion images using video input

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

An output device is any hardware component that conveys information from a computer or mobile device to one or more people

A printer is an output device that produces text and graphics on a physical medium such as paper

A display is an output device that visually conveys text, graphics, and video information

Speakers allow you to hear audio such as music, voice, and other sounds
-Earbuds

-Headphones


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

A browser is software that enables users with an Internet connection to access and view webpages on a computer or mobile device. (chrome,firefox,ie)

A search engine is software that finds websites, webpages, images, videos, news, maps, and other information related to a specific topic. (google, yahoo)


An online social network encourages members to share their interests, ideas, stories, photos, music, and videos with other registered users (fb, instagram, twitter)

It is important that users protect their computers and mobile devices

Digital Safety and Security
It is important that users protect their computers and mobile devices to:
  • To protect from viruses and malware attacks
  • For privacy
  • Health concerns
  • Environmental issues

Green computing involves reducing the electricity consumed and environmental waste generated when using a computer
Strategies include:
  • Recycling
  • Using energy efficient hardware and energy saving features
  • Regulating manufacturing processes
  • Extending the life of computers
  • Immediately donating or properly disposing of replaced computers


Programs and Apps

Installing is the process of setting up software to work with the computer, printer, and other hardware
Once installed, you can run an application so that you can interact with it
You interact with a program or application through its user interface

A software developer, sometimes called an application developer or computer programmer, is someone who develops programs and apps or writes the instructions that direct the computer or mobile device to process data into information


Communications and Networks
In the course of a day, it is likely you use, or use information generated by, one or more of these communications technologies
  • Chat rooms
  • Email
  • Fax
  • FTP
  • Instant messages
  • GPS
  • Internet
  • Newsgroup
  • RSS
  • Video cofference
  • Voice mail
  • VoIP
  • Wireless access internet point
  • Wireless messaging services

A communications device is hardware capable of transferring items from computers and devices to transmission media and vice versa
Examples of wireless communications technologies include:
  • Wifi
  • Bluetooth
  • Cellular radio
A network is a collection of computers and devices connected together via communications devices and transmission media


Uses of Technology in Society
Technology in society is use in many fields such as:
  • Education
  • Goverment
  • Finace
  • Retail
  • Entertaiment
  • Healthcare
  • Travel
  • Publisher
  • Science
  • Manufacturing

Technology Users
Technology users consists of:
  • Home Users
  • Small/Home office User
  • Mobile User
  • Power user
  • Enterprise user

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