1. INTRODUCTION TO INFORMATION TECHNOLOGY Your Digital World1
Chapter

2. Chapter Topics 1.1 Information Technology & Your Life
1.2 Information Technology Is All-Pervasive: Cellphones,
, the Internet, & the E-World
1.3 The “All-Purpose Machine”: The Varieties of Computer
1.4 Understanding Your Computer
1.5 Where Is Information Technology Headed?

3. 1.1 IT & Your Life

4. DEFINITION: Information Technology (IT) describes any technology that helps to produce, manipulate, store, communicate, and/or disseminate information.
Part 1: Computer Technology
Part 2: Communications Technology

5. COMPUTER TECHNOLOGY: A computer is a programmable,
multiuse machine that accepts data—raw facts and figures —and processes, or manipulates, it into information we can use, such as summaries, totals, or reports.
- Its purpose is to speed up problem solving and increase productivity.

6. COMMUNICATIONS TECHNOLOGY :
Communications technology , also called telecommunications technology , consists of electromagnetic devices and systems for communicating over long distances.
The principal examples are telephone, radio, broadcast television.
In more recent times, there has been the addition of communication among computers—which is what happens when people “go online” on the internet.

7. - Online: means using a computer or some other information device, connected through a network, to access information and services from another computer or information device.
- A network is a communications system connecting
two or more computers; the internet is the largest such network.

8. How Is IT Being Used in Education?
Information technology is essential on college campuses.
IT is used in teaching, labs, and in course management.
Many college classes are either taught online or have a class website.
DEFINITION: Distance learning is online
education

9. Rules for Computers in Classrooms
Problem: Computers in the classroom can be used or misused.
What should they be used for?
Following the lecture
Working along with the instructor
Performing instructor-assigned Internet searches
Completing assignments for this class
What is misuse?
Text messaging or ing friends
Surfing the Internet for entertainment
Doing assignments for other classes

10. Money: Cashless Society?
DEFINITION: Virtual means something that is created, simulated, or carried on by means of a computer or a computer network.
Virtual money
Cash-value cards
“Electronic wallets” (e.g., PayPal)
Online bill paying
E-Commerce:

11. E-commerce Cash-value cards: (such as subway fare cards)
Online bill paying : it has been possible to pay bills online, such
as those from phone and utility companies, with special software and online connections to your bank.
A digital wallet  allows an individual to make electronic commerce transactions. This can include purchasing items on-line with a computer or using a smartphone to purchase something at a store.
E-commerce The buying and selling of products and services by businesses and consumers through an electronic medium, without using any paper documents.

12. Leisure: Infotech in Entertainment & the Arts
Videogames
Photo sharing
Downloading
Music
Movies
Downloading: transferring data from a remote computer to one’s own
computer

13. Jobs & Careers Hotels: use computer reservations systems.
Law Enforcement: Officers use computers
On patrol
To check stolen cars
To check criminal records

14. Jobs & Careers Office careers: Budget, payroll, letter-writing, email
Fashion: Sales/inventory control systems, ordering, personnel
Job-hunting:
Use word processor to create résumés
Post résumés online
Online job searches
Discussion Question: Can anyone think of a career that does not require computer skills at all?

17. 1.2 IT Is All-Pervasive The Telephone Grows Up
1973: First cellphone call
Mobile phone use estimated to rise to 3.9 billion
users by 2013
Today’s cellphones:
Can connect to Internet & web for all sorts of activities
Can send and receive text messages
Can take and send pictures, download music & video
Can obtain news and TV programs

18. Email’s Mass Impact Introduced in 1981
Reached 10 million users in about one year
Has been the fastest-growing technology
1998 surpassed hand-delivered mail
In business, at least, requires writing skills

19. Internet, World Wide Web, & Cyberspace
Term coined by William Gibson in Neuromancer (1984)
Described a futuristic computer network people “plugged” into directly with their brains
Now the term cyberspace encompasses:
The Internet & the World Wide Web in particular
The wired and wireless communications world in general
Thus, cyberspace includes chat rooms, blogs, ATMs, conference calls, texting, etc.
Two most important aspects: Internet
and web

20. Internet
The worldwide computer network that links thousands of smaller networks
Links educational, commercial,
nonprofit, and military entities,
plus individuals
Originally developed to share
only text and numeric data;
through the web now also
supports multimedia

21. World Wide Web The multimedia part of the Internet
An interconnected system of servers that support specially formatted documents in multimedia form
Includes text, still images, moving images, sound
Responsible for the growth and popularity of
the Internet