Post on 11-May-2015
Software, Networks, and the INTERNET
Mr. Downing
Computer Information Systems
Computer Software
1. System software consists of programs to control the operations of computer equipment (ex. operating system)
What operating system do we use in this class??
2. Application software consists of programs that tell a computer how to produce information
Application Software
word processing
presentationdatabase
spreadsheet
Communicating through Technology
Answering machinesVoicemailFax machinesEmail Text messagingWeb cam
What’s a network?
A network is a collection of connected computers and devices
Local Area Network (LAN) Wide Area Network (WAN)
Computers on a network share printing & software
Network terms to know
Server = a computer or device on a network that manages network resources ex. file server, web root server
Network interface card (NIC) = card inserted into a computer so the computer can be connected to a network
Firewall = a system designed to prevent unauthorized access to or from a private network
Router = a device that forwards data packets along networks and is located where a network connects
Modem = a device that turns the signals from either your phone, cable line, DSL line, etc. into a format computers can understand
What’s the world’s largest network??
INTERNET: global network of linked computer networks
The World Wide Web
Uniform Resource Locator (URL)
How do we use the internet??
Other thoughts?
E-commerce (shopping or )
Conducting business activities onlineBusiness to consumerConsumer to consumerBusiness to business
Advantages?Disadvantages?
How do businesses use the internet??
It’s Your Turn! Find a partner…
The internet has had a tremendous impact on business. For some businesses, that influence has not been positive. For example, surveys suggest that as a growing number of people make their own travel plans online, travel agents are seeing fewer customers.
Use the Web to research two businesses that have been affected negatively by the Internet. How has the Internet hurt the business? How can the business compete with the Internet?