Transcript Computer Terminology …

Network Terminology …
Remember: Knowledge is Power!
What networks do you use?
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The network is like a phone system …
The network is like a phone system …
Anything can be connected …
… as long as the two parties can
communicate …
 Computers
 PDA’s
 Games – Xbox
 Appliances – fridge, oven
Protocol …
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The way two parties communicate with
each other:
You look up my number in the phone book
 Pick up the phone
 Dial the number
 Wait for me to answer
 We have the conversation
 At the end of the conversation, we both
hang up
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Computers use protocol as well …
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Computer A: I need to communicate with Computer B. My user has an
MSN Messenger item for a user on Computer B
Computer A: What "number"/designation is Computer B on these days?
Don't know- let's look in The Directory.
Computer A: Aha, the directory says that Computer B is on number (e.g
169.145.72.9) at the moment!
Computer A: I'm sending a request to Computer B on (169.145.72.9):Request = "Let's Talk / Connect!"
Computer B: Answers connection request from Computer A.
Computer B: "Hi there Computer A, long time no connect. Ok, let's
connect and exchange information"
Computer A: "Great. Here's an MSN messenger item for your user"
Computer B: "Thanks, got it! Nice chatting with you. Is there anything
else?"
Computer A: "Nope, that's it for now. See you later"
Computer B: "No problem, Bye for now"
Computer A disconnects from B
Some protocols you might know …
IP – Internetworking protocol
 http – hypertext transfer protocol
 ftp – file transfer protocol
 Smtp – simple mail transfer protocol
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The IP address
How does the network know how to
communicate with your device?
 Every computer connected to network
has an IP address.
 Your computers IP Address is made up
of four numbers each separated by a
dot. It will look something like this:
169.158.2.1.
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TCP/IP - What Does It Mean?
TCP – transfer control protocol
 IP – Internetworking protocol
 This is the most commonly used
networking protocol, and the one used
on the Internet
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A graphic example …
A graphic example …
A graphic example …
What you need to know …
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Your work computer is part of a network
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File storage
Printing
Internet – a link to the Wide Area Network (WAN)
Your computer (home and work) has an IP
address which identifies it
 With a router, you can create your own mini
network
 The computers communicate via various
protocols