General Purpose Packages

Revision

Why GPPs?

• Information– Accurate – complete– up-to-date

• Share information

HCI

• Command Driven

• Online Help

• Online Tutorials

• GUI– WIMP

Common Features

• Alter HCI parameters

• Header/Footer

• Printer Drivers

Types

• Word processing– Standard Letter

• Databases– Computed Field– Alter screen Input

Format– Alter Output Format– Keywords– Sort Multiple Field

Types

• Spread Sheet– IF Conditions– Relative Reference– Absolute Reference– Cell protection

• Graphics– Scale, rotate

General Purpose Packages

Revision

Hardware/Software

• Knowledge Systems– Knowledge base– Rule base– HCI– Search engine

Communication

• Multi-Access • Reliable Data Link

Storage

• Storage Capacity– 1 Kilobyte

• 1024 bytes

– 1 Megabyte – • 1024 x 1024 =

1048576 bytes

– 1 Gigabyte • 1024 x 1048576

Software Integration

• Static Data Linkage

• Dynamic Data Linkage

Dear Mr Tightwad,

You will be pleased to note that our sales figures have increased as shown below:-

I hope that you will reconsider my request for a pay rise.

Your sincerely

I.M. Poor

Dear Mr Tightwad,

You will be pleased to note that our sales figures have increased as shown below:-

I hope that you will reconsider my request for a pay rise.

Your sincerely

I.M. Poor

Static (change not included) Dynamic (Change included)

Package Selection

• Appropriate Package– Hardware/software

availability– Nature of Job

General Purpose Packages

Revision

Advantages

• Increased Productivity

• Layout Flexibility

• Availability of Information

Implications

• Economic– Staff Costs (training)

• Social– Increased Paper– Effects of

employment and conditions

Security & Privacy

• Data Protection Registrar

• Data Protection Register

• Data User

• Data Subject

Data Protection Principles

1. Obtained Lawfully & Fairly

2. Held for reasons listed by data user

3. Used for reasons listed by data user

4. Adequate, relevant & not excessive

5. Accurate & up-to-date

6. Kept no longer than necessary

7. Made available to data subject on request

8. Protected against unauthorised use.

Computer Misuse Act 1990

• It is illegal to:– access computer material

without authorisation– Unauthorised access with

intent to commit other offences

– Unauthorised modification of computer material