Transcript Presentation: Many kinds of clients and servers

Many kinds of clients and servers
Skills: none
IT concepts: servers that serve other
computers, servers in devices
This work is licensed under a Creative Commons Attribution-NoncommercialShare Alike 3.0 License.
Where does this topic fit?
• Internet concepts
– Applications
– Technology
– Implications
• Internet skills
– Application development
– Content creation
Retrieving Web pages is only one
client-server application.
There is a wide variety of others.
Where is the server in this picture?
The print server
A computer inside
Connected to a local
area network
Programmed to offer
a service
Printing pages is the
service
The program never
changes – it is in read
only memory
Servers can interact with the physical world as well as the virtual world.
Servers are often called by programs rather than people
This page came from an Amazon server.
Amazon retrieved
this information
from a UPS server.
A few questions
If a vending machine were
connected to the Internet,
what sort of service might
it provide to the owner of
the machine or a potential
customer?
Network servers offer a great variety of services to
users and to other computers.
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Printing pages
Backing up and retrieving stored files
Returning the exact time of day
Processing credit card transactions
Looking up words in a dictionary
Retrieving data from a database
Turning machines or appliances on or off
Converting the text on a page to an audio speech file
Converting a PDF file to Word format and vice versa
Sending and receiving email
Transferring files from one computer to another
Can you add to this list?
Would the computer in the print server be
more likely to run Windows or some other
operating system?
Would the computer in the print server
need to run TCP/IP software?
Many kinds of clients and servers
Skills: none
IT concepts: servers that serve other
computers, servers in devices
This work is licensed under a Creative Commons Attribution-NoncommercialShare Alike 3.0 License.