Monday, April 26, 2010

1- Explain how connecting to the internet has changed.
At the beggining to connect you had to dial-up connections over a normal analogue telephone line. With this kind of connection you had only 64 Kbps which was really slow.

Now you need a special device called modem; this converts data from the computer into a format suitable for sending over the telephone or other communication line.
with this kind of connection you get 8Mbps.

2-What do the letters ''Kbps'' stand and what does it measure?
It means Kilobits per second and it measures the connection speed.

3-What are the two main parts of the internet called?

The World wide web (www)
Electronic mail (E-mail)

4-Explain fully how an E-mail is sent and how is reciebed anr read by the recipient.

Monday, March 22, 2010

Tuesday, March 16, 2010