The Internet Flashcards
What is the internet?
- number of computers connected to each other by some communication medium - forms a system for communicating info or data
- greatest global computer network - connects millions of computers all over globe
- personal computer connected to another computer through a company or ISP
How does the internet operate?
- millions computer and networks speak the same language
- internet like spider on web ( read )
- every county has smaller networks operating under one big one
Explain how the internet works like a spider web
- The spider (internet) starts his work in the center and outer to the outer circle
- spider is very aware of every moment anywhere in the web and is able to move to that point immediately
How does the smaller networks work under one large one?
- large central networks connected to large international one
- internet able to trace transactions carried out by specific computers
- convey data and exchange info
What is the most popular use of the internet?
Internet banking
Social networking
What is the WWW
- large collection of interlinked documents that are available on web pages that you can view
- you can do multiple things on the internet
What is the difference between the WWW and the internet
The internet can stand on its own but the WWW needs the internet
What do you need to get connected to the internet?
- computer
- ISP
- Windows internet explorer
How would you say you get connected to the internet in your house?
Wireless connection
Offers permanent and uninterrupted connection
What is the ISDN line up?
- Offers separate line up for your phone and a modem that uses digital signals
- much faster and more expensive
What is an ADSL line?
- permanent connection
- with one channel stay connected to the internet the other you can make calls
- fast connection and you can choose the speed you prefer
- pay for the rent if the lime and the calls
- you can upload certain amount MG(uncapped)
Explain 3/4th generation technology
- Wireless or 3G
- cellphone card or 3G/4G acts modem
- connected via USB
- pet fixed amount per month
What does a computer need to have in order to connect to the internet?
USB port
How does your ISP work?
- contract or prepaid
* comment temporarily at monthly rate
What is Windows internet explorer?
Microsoft’s web browser
What is a firewall?
Program that operates in the background and filters the information coming through the internet
Also prevents unwanted access
How would you know a website is safe?
Yellow padlock
How can you restrict access to unwanted websites?
Tools > Internet options > Security > restricted sites add names of sites there
What does the Electronic Communications and Transactions Act include?
- illegal to spread computer viruses
- unauthorized access by anyone is subject to prosecution
- E-commerce websites must abide by the rules and standards to protect the privacy and security of their clients
- ISP allow gov intercept e-mail and electronic communication
- client or buyer should be free to cancel internet transaction within 10 days
What is a virus?
Program deliberately created with the intention to harm other computers
How do viruses work?
- Attempt to replicate themselves this way spread to other computers as well
- programs operate without knowledge of user and often files and data destroyed
- only attack data and programs but software can also be effected
- new viruses created and spread daily
How does viruses spread?
- infected software downloaded from website
- infected CD’s or storage media shared between computers
- commonly by email where hidden in attachments
How do you detect the presence of a virus?
- files disappear without reason
- computer suddenly operates slowly
- functioning of programs are infected
- hard disk space is minimized
- user receives strange error messages
- computer refuses to reboot
What is the best method to prevent virus infection?
Installing antivirus
How will antiviruses protect your computer?
• identifying viruses and deleting them
How can you stay protected from viruses?
- install antivirus
- don’t open emails unfamiliar sources
- store email on stick then scan with antivirus
- don’t spread viruses yourself - scan attachment before sending it
- remove CD etc. from port before shutting down
- don’t use pirated software
- check storage media before use and scan computer for viruses on daily
- various online antivirus programs available scanning computer
