10. Exercise 2 1. Name 2 types of cable used in a network. 2. What type of cable does the school have on its LAN? 3. How can you link up the computers at home without using cables? <- Client/Server WANs ->
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19. A physical lock being used to secure a computer . <- Physical Security Software security ->
27. Advantages of e-mail You need to copy of a message to send it to more than one person You can send the same message to many people easily You can collect email just at your address You can check your e-mail anywhere Costs more to send further away Costs the same to send to any part of the world Costs the price of a stamp or more Costs nothing apart from your ISP/phone bill Message sent in a day or more Message send in a few seconds Snail-mail (letters/post) E-mail <- E-mail Problems with E-mail ->
42. Exercise 6 < Mobile Internet Tech Services on Internet >
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47. <html> <head> <title> Networks </title> </head> <body bgcolor=“Green”> <h1 align= "center" > Networks and the Internet </h1> <p align= "left" > When to computers communicate with each other, they are making a <b> network </b> . We use networks all the time - our school computers are on a network, for instance. </p> </body> </html> < Creating webpages Web page display >
![What is a Network? ,[object Object],[object Object],[object Object],[object Object],[object Object],<- What is a network? Local Area Networks ->](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)