August
1999 QUESTION 1 (Compulsory) Total Marks: 20 Marks |
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questions
SUGGESTED SOLUTIONS |
| Define the following
terms :
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| (a) | Internet | [2] |
| The Internet is a
packet switching network. IT can be best described as one large network connecting many
similar networks.
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| (b) | TCP/IP | [2] |
| The transmission
Control Protocol and Internet Protocol are respectively the transport layer protocol and
network layer protocol used by (most) internet applications, providing addressing and
routing functionality, and safe message delivery(in the case of TCP).
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| (c) | Usenet | [2] |
| Usenet is the set of
machines that exchange articles organized into discrete discussion sets called newsgroup.
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| (d) | HTTP | [2] |
| HyperText Transport
Protocol. A client/server protocol used for information sharing on the Internet. It is the
basis of the World-Wide Web.
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| (e) | CGI | [2] |
| The Common Gateway
Interface is a specification that allows World Wide Web pages to be created dynamically by
applications launched by a HTTP server.
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| (f) | Web applications | [2] |
| Web applications are
applications that allows a user to interact with them over the Web. All the overhead is
absorbed by the server and the client does not need to worry about installing, upgrading,
or maintaining the applications.
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| (g) | Java beans | [2] |
| Java beans is an API
for the Java platform, that provides a software component model for Java. A Java Bean is a
reusable software component that can be manipulated visually in a builder tool.
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| (h) | An object | [2] |
| An object is a piece
of code that owns things called attributes (data) and provides services through methods
(also called operations or functions).
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| (i) | RMI | [4] |
| Remote Method
Invocation. RMI is a remote procedure call (RPC), which allows Java objects (software
components) stored on network servers to be run remotely. RMI is designed for objects
written only in Java.
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