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Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies?
Please discontinue use of cell phoneand turn off the ringer.
What is a Computer? The Power of Connections What Can Computers Do? Information Systems Using Digital Technologies to Succeed in
Your Career Using Digital Technologies to Achieve
Personal Goals Information Security and the Social Impact
and Implications of Digital Technologies
Why Study Computers and Digital Technologies?
Chapter 1
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Key Terms Computer literacy Computer Technology Digital electronics
device Bit Byte File Data
Digitization Information Microprocessor Kilo, Mega, Giga,
etc Hardware Software Personal
computer Smart phone
Synchronize Computing
platform Server Supercomputer Kiosk Embedded
computer
What is a Computer?
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
What’s a Computer?
www.target.com
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
A Computer is…
A digital electronics device that combines hardware and software to accept the input of data, process and store the data, and produce some useful output.
Tangible components
Electronic instructions
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Digital Technology
Technology refers to tools, materials, and processes that help solve human problems.
Many of today’s technologies fall under the classification of digital electronics.
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Digital Electronics Digital electronics devices store and process
bits electronically.A bit represents data using 1’s and 0’sEight bits is a byte – the standard grouping
in digital electronicsDigitization is the process of transforming
information into 1’s and 0’s
For more on digitization:http://en.wikipedia.org/wiki/Digitization http://electronics.howstuffworks.com/analog-digital.htm http://www.hardwaresecrets.com/article/317
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Knowledge Worker
Today’s well-equipped knowledge worker makes use of many digital technologies.
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Producing Valuable Information
Data: items stored on a digital electronics device: numbers, characters, & sounds
Information: data organized and presented in a manner that provides value to the user: documents, graphs,
music, photos
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Microprocessor
Sometimes called a chip or just a processor, combines microscopic electronic components on a single integrated circuit that processes bits according to software instructions.
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Digital Technology MetricsKilo, Mega, Giga, what comes next?
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Key TermsDesktop computerNotebook computerNetbooksTablet PCSmart phone
Personal Computer (PC)
Examples:www.hp.com
www.apple.com www.microsoft.com/windowsxp/tabletpc
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Synchronize
When you synchronize or sync two digital devices, you update the files shared between the devices so that both copies are up-to-date and identical.
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Computing Platform A computer’s type,
processor, and operating system define its computing platform.
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
P O W
E R
Types of General Purpose Computer Systems
Personal Computer (PC)
WorkstationPowerful, multiprocessor, special-purpose PC
Server Powerful, multiprocessor
computers that provide services to many users over a
network
Supercomputer Most powerful with fastest
processing speeds
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Special-Purpose Computers A kiosk is a computer
station that provides the public with specific and useful information and services.
The processor and operating system used in the Kindle allow users to connect to the Kindle store, where books, magazines, newspapers, and blogs are available to download for a fee.
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Special-Purpose Mobile Devices The “desk” has to be wherever you are. The
trend of digital electronic devices to become smaller and increasingly powerful has fully supported the move to an increasingly mobile workforce
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Mobile Media Movies, television
shows, and other video clips can be downloaded from the Web or transferred from DVD to the devices and displayed on the 3.8-inch screen.
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Key TermsTelecommunicationsComputer NetworksProtocolsThe InternetWorld Wide WebWireless NetworkWi-Fi
The Power of Connections
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Telecommunications & Computer Networks
Telecommunications are communications that take place electronically over a distance.
A computer network is a telecommunications network that connects two or more computers for data communications.
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
The Internet & Web The Internet is the
world's largest public computer network, a network of networks, that provides a vast array of services.
The Web is an Internet service that provides convenient access to information through hyperlinks
1,463,632,361 Internet Users& Growing
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Wireless Campus
Wireless Networking
Wireless networks use radio signals rather than cables to connect users.
Wi-fi is a popular wireless standard.
Wi-fi Access
Point
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Key TermsArtificial Intelligence (AI)AutomationVoIPDatabase
What Can Computers Do?
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
The Computer and Human Relationship
The creative and interpersonal endeavors that people find most engaging, computers are ill suited to perform … as of yet.
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Computation Computers were
invented to compute – calculate solutions to mathematical problems.
Artificial Intelligence (AI) deals with simulating human thought and behavior in computers.
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Automation Automation
involves utilizing computers to control otherwise human actions and activities.
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Communication Computer systems control,
support, or provide many forms of communication.E-mailInstant messagingBlogsSocial networking
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Entertainment Digital technologies not only enrich people’s
entertainment experiences, but also have revolutionized entertainment distribution.
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Information
A Computer-based Information System (CBIS) uses these components to manage and distribute
information.Database is a collection of data stored on a computer and organized to meet users’ needs.
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Key TermsInformation technology (IT)Systems developmentTransaction support system (TPS)Management Information System (MIS)Decision Support System (DSS)Expert System
Information Systems
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Information Technology (IT)
IT can be defined as issues related to the components of a computer-based information system.
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Information Systems Systems
development is the activity of creating or modifying existing information systems.
NASA scientists use management information systems to examine the data sent from Mars Rovers.
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Information System Types
Expert System
Decision Support System
Management Information System (MIS)
E-Commerce
Transaction Processing System (TPS)
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Key TermsInformation SecurityHackerDigital divide
Information Security and the Social Impact of Digital Technologies
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Information Security
Information security refers to the protection of information systems and the information they manage against unauthorized access, use, manipulation, or destruction, and against the denial of service to authorized users.
More on Info Sec at www.cert.org www.whitehouse.gov/pcipb/ www.issa.org
Hackeran individual who subverts computer security without authorization.
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
The Impact of Digital Technologies on the World
Society is entering the age of pervasive computing
Pervade ~ to become diffused throughout every part of something.
Pervade ~ to become diffused throughout every part of something.
Succeeding with Technology 4th ed > Why Study Computers and Digital Technologies? >
Chapter 1 Questions?