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CHAPTER 1 : Introducing Today's Technologies (COMMUNICATIONS &…
CHAPTER 1 : Introducing Today's Technologies
COMMUNICATIONS & NETWORKS
: :
Eg of
communications technologies
: chat rooms, email,fax,FTP,GPS,instant messaging and etc
A
communications device
is a hardware capable of transferring items from computers & devices to tranmission media
Eg of wireless communications technologies are :star:wifi
:star:bluetooth
:star:cellular radio
Network= collection of computers & devices that connected
together
=often wirelessly
Home Networks
:star:connect to the internet
:star: access phptos,music,videos
:star: share devices, play multiplayer games
:star:connect game consoles to the internet
:star:interact with other devices
Business Network
s
:star:share hardware :star:share data, information & software
Types of technology users
:star:home users
:star:small/home office user
:star:mobile user
:star:power user & enterprise user
Technology uses
:star:education :star:government :star:finance :star:entertainment :star:healthcare :star:science :star:travel :star:publishing :star:manufacturing
Chapter Summary
:star:basic computer concept
:star:uses of technology applications in society
:star:digital security & safety risks
:star:various methods for input,output,memory & storage
INTERNET
Worldwide collection of computer networks that connects million of businesses , and individuals.
WORLD WIDE WEB(web)
global library of information available to anyone connected to Internet
WEBPAGE
Web
consists worldwide collection of electronic documents
WEBSITE
collection of related webpages
WEB SERVER
computers that delivers requested webpages to yr computer
BROWSER
software that enables users w an Internet connection to access webpages on mobile devices
Search Engine
software that find websites and other information related to specific topic
encourages members to share their interests, ideas, stories, photos, music and videos with other registered users
computer
- an electronic devices ,operating under the control of instructions stored in its own memory.
Type of devices
: laptop, tablet, desktop and all in one server
Type of mobile and games devices
: smartphone, digital camera,portable and digital media player, e-book reader, wearable device and game device
Data and Information
Input devices
: :
,
Output devices
:
Memory
: electronic components that stored instructions waiting to be executed and the data needed by those instructions
storage media
: keeps data, instructions and information.
storage device
: records and retrieves items to and from storage media
Digital Safety and Security
:warning: viruses and other malware :warning: privacy :warning: health concerns :warning: enviromental issues
Strategies :
:recycle: green computing
THE WEB
:red_flag: using energy efficient hardware and energy saving features
:red_flag: extending the life of computers
:red_flag:recycling
:red_flag: donating or properly disposing of replaced computers
:red_flag: regulating manufacturing processes
Online Social Network
