Computers in general 5.
How do computers help us?
Air, railway, ship traffic and military operations (army) and complicated surgical operations (medicine) can be hardly performed without use of computers. In factories - CAD (computer-aided design), CAE (computer-aided engineering), CAM (computer-aided manufacturing). In offices - Office pack serves for administrative work.
In banks - to carry out complicated financial transactions at high speed. In sports - to record results of competitions, current positions of sportsmen / riders. Entertainment - games, song lyrics, music, animation.
Communication – to connect people around the world (Internet, e-mail).
How can computers be misused?
Shooting and adventure games have a bad influence on children - they instruct them how to be aggressive and violent. Computers can be misused by robbers to make illegal transactions of large amounts of money.
By hackers who via Internet break into your computer, steal your personal data and misuse them, who produce computer viruses which can cause the collapse of big companies.
By terrorists to plan & perform terrorist actions (the attack of Al Kaida on the World Trade Center).
Computers – Internet 4.
Computers – Internet 4.
6. What is e-mail and what is it used for?
E-mail is short for electronic mail. It is a personal connection to the Internet.
It is used for instant sending and receiving electronic mail. (It can include text, pictures or even audio or animation. Communication software for sending and receiving e-mail is Outlook Express.)
7. What is communication software for Internet represented by?
Communication software for Internet is represented by browsers (prohlížeče). The most popular
Internet browser is shipped with Windows package now – it is Microsoft Internet Explorer.
8. What is so-called home page on Internet?
After launching Microsoft Internet Explorer it automatically displays the so-called home page,
i.e. the web page you always start from.
9. What is hyperlink and what is it used for?
It is a highlighted part of text or picture on the screen.
By clicking a hyperlink you move to the web page of another user.
10. What is the difference between online and offline work?
When Microsoft Internet Explorer works online it is displaying the current information from the web page.When it works offline it is displaying the information stored on your
6. What is e-mail and what is it used for?
E-mail is short for electronic mail. It is a personal connection to the Internet.
It is used for instant sending and receiving electronic mail. (It can include text, pictures or even audio or animation. Communication software for sending and receiving e-mail is Outlook Express.)
7. What is communication software for Internet represented by?
Communication software for Internet is represented by browsers (prohlížeče). The most popular
Internet browser is shipped with Windows package now – it is Microsoft Internet Explorer.
8. What is so-called home page on Internet?
After launching Microsoft Internet Explorer it automatically displays the so-called home page,
i.e. the web page you always start from.
9. What is hyperlink and what is it used for?
It is a highlighted part of text or picture on the screen.
By clicking a hyperlink you move to the web page of another user.
10. What is the difference between online and offline work?
When Microsoft Internet Explorer works online it is displaying the current information from the web page.When it works offline it is displaying the information stored on your
Computers – Internet 3.
Computers – Internet 3.
1. Who first developed Internet?
It was the army who first developed Internet for military purposes and only later it was used also for world-wide communication in the civil sector.
2. What is Internet?
Internet is one of the most interesting and most important contemporary media. It reminds of
a spider web spread around the whole planet which electronically connects millions of computers.
3. What are other names for Internet?
Internet is also called a world-wide web (www) or simply Net (short for Internet).
4. What is Internet used for? (give the main functions)
(a) for communication with one or many people on the opposite side of the Earth at the same time.
(b) for looking up information: it can provide millions of pages on almost all fields of human activity.
(c) for entertainment: you can find there games, song lyrics or jokes.
(d) for searching addresses: if you don’t know the exact address where to find particular information.
5. What special programs can you use for searching addresses? (give specific names)
For searching addresses, the following searching programs can be used: Yahoo, Google, Alta-vista are mostly used abroad; Seznam, Centrum, Volny, Tiscali are mostly used in our country
1. Who first developed Internet?
It was the army who first developed Internet for military purposes and only later it was used also for world-wide communication in the civil sector.
2. What is Internet?
Internet is one of the most interesting and most important contemporary media. It reminds of
a spider web spread around the whole planet which electronically connects millions of computers.
3. What are other names for Internet?
Internet is also called a world-wide web (www) or simply Net (short for Internet).
4. What is Internet used for? (give the main functions)
(a) for communication with one or many people on the opposite side of the Earth at the same time.
(b) for looking up information: it can provide millions of pages on almost all fields of human activity.
(c) for entertainment: you can find there games, song lyrics or jokes.
(d) for searching addresses: if you don’t know the exact address where to find particular information.
5. What special programs can you use for searching addresses? (give specific names)
For searching addresses, the following searching programs can be used: Yahoo, Google, Alta-vista are mostly used abroad; Seznam, Centrum, Volny, Tiscali are mostly used in our country
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