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Table of Contents

Notes:

• What is a network?
• Hardware needed to create a Network and School network Diagram
• Advantages and Disadvantages
• Network Security.
• Advantages and Disadvantages

Advantages	Disadvantages
· Share Resources (Printers, storage drives…) · Communicate easily (homework teachers -> students, o Chat, social networks, email…) · Workstations not so full (files on file server) · Once network is setup it’s cheap to communicate · Collaborative work o Wikis, Blogs… · Not have to move to do certain things (Online banking…)	· If not working -> can’t do work, can’t access your files. · Technical expertise to install / manage · Viruses spread easily · It can get overloaded and work slowly · Can be expensive to setup / maintain · Fault in network -> loss of user data

• Assingments:

Revision Guide for Summer Exam

• Storage Devices
• Website Authoring (using frontpage)
• Desktop Publishing
• Computer Networks

Storage Devices

• describe common backing storage media (including magnetic tape, CD-ROM, floppy disc and hard disc) and their associated devices;
• identify typical uses of the storage media in (a) above;
• describe the comparative advantages and disadvantages of using different backing storage media;
• define the term backup and describe the need for taking backups;
• describe the difference between main/internal memory and backing storage, stating the relative benefits of each in terms of speed and permanence.

Website Authoring (using frontpage)

• Students should be able to create a web page that includes graphics and hyperlinks to other areas within the same page,
• Websites should contain at least one graphic and should contain coherent content about a subject of the pupil’s choice;
• use information from a variety of sources and present this information in different forms and styles for specific purposes and audiences;
• develop a set of instructions that control the links and automatic functions of their page; reflect critically in order to make improvements.

Computer Networks

• What is a network
• Hardware needed to create a network
• Advantages and Disadvantages of networks
• Label a network diagram
• Network security *
  • viruses
  • firewalls / hacking / data misuse
  • passwords

Desktop Publishing

• Features of DTP
• Composition (Frames, textboxes, images...)
• Digital Images *
• Using MS Publisher

Homework:

10 advantages for the school having network:

1. A person can pass message other person.
2. A person passes a message without any other person knowing.
3. People passes messages quicker.
4. A person only passes a message to one person.
5. Student can discuss anything easier.
6. There is no traffic.
7. Personal messages only are passed to everybody.
8. Secrets can be passed.
9. You only talk to one person.

Network security
· Username &password-Name identifies you user of Net.
· Password-Verifies your identity
· Firewall-Blocks unauthorized communication to and fro Network.
· AntiVirus software