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May 15, 2009

computing anywhere,anytime

(1)What is meant by a netbook? What is the “cloud” in cloud computing>? a net book is like a laptop but much smaller and usually has smaller key boareds smaller disk space and screen cloud computing is Performing enormous scientific calculations in hundreds or thousands of idle machines within an enterprise or worldwide .

(2)What applications does Google docs offer online?you can make templates ,documents and upload existing files.

(3)Why would you want you documents stored in the “cloud” (online)?

IP ADRESS

202.76.178.178 computers ip adress\

Read about how IP addresses work.
1. What is an octet?.this is the 4 numbers in the ip adress cos they each have eight positions when viewed in binary form.

2. What class of IP address are we using? we are using A.

May 13, 2009

broad band speedc test

1. What is meant by upload and download speeds? The speed at which data is sent from the Internet to your computer
upload-The speed at which data is sent from your computer to the Internet




2. What are the units used to measure download speeds?Ping (Latency)
The time it takes in milliseconds for a small piece of data to be sent from your computer to the Internet and back

3. Why do different locations offer different download speeds? Hint: “bottleneck”your ip adtress is shared with your neighbours so if there all on at the ssame timee your internet wiould lag

internet adress

1. What is a URL?the address of a web page on the world wide web

2. What is an IP address and how is it related to a URL? IP stands for Internet protocol,Every machine on the Internet has a unique IP address. A server has a static IP address that does not change very often. A home machine that is dialing up through a modem often has an IP address that is assigned by the ISP when the machine dials in
3. Given our school website's URL is http://www.mcauley.nsw.edu.au, what is our domain name and what protocol do you need to use to access the site?thee domain name is just m,cualey and thee protocol is http>
4. In the context of an IP address, what is an octect? this is 4 numbers that have values between 0 and 255, which is 28 possibilities per octet.

lessooooooonn

welllll today mr lennonnnnnnnnnnnnnnnnnnn was away and we had a substuteeeeeeeee =[ and yehhhhhhhhh

wheree doing a task on computing anywhere whichh i dont get :S and is REALLYY BORINGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGG :'(

hddfhdfhdhdfh

May 6, 2009

internet questions

How did the internet originate? Before the widespread internetworking that led to the Internet, most communication networks were limited by their nature to only allow communications between the stations on the network the internet orgintaed in england in the early 60s



Who were the people most responsible for creating it?darpa



What system immediately preceded the internet? What was it’s purpose?its purpose waS TO communitcate with other people in countries
What is an IP packet? What is it comprised of?

What does TCP stand for? How does TCP deal with lost IP packets?