Topics

Heathcote

exercises in Heathcote

3.1 Systems Development Life Cycle

The SDLC, problem definition; feasibility study; analysis; design; (development in year 2!); implementation and testing; evaluation; documentation; maintenance

Ch 37-38 + handouts

(More detail in Ch 62-65)

Ch 37,1-6

Ch 38,1-4

3.2 Choosing applications software

off-the-shelf and custom written software (pros and cons);

Ch 2

types of applications software (e.g. stock control, order processing, payroll, process control, point of sale systems, marketing, computer aided design (CAD), computer aided manufacture (CAM);

Handouts

Handouts

Ch 21, 5

generic applications software – their purpose and impact (word processing, spreadsheets, desktop publishing; presentation, drawing)

Ch 25

Ch 25 1-8

3.3 Handling of data in information systems

(inputs, validation and outputs)

Data entry – manual and automatic (form design, keyboard entry, voice recognition, barcodes, optical mark recognition (OMR), optical character recognition (OCR), data logging, touch screen);

how images are input (scanners, video capture card, digital camera);

Free text and structured data; data prepared off-line

Ch 30

Ch 34

(Ch 39)

handouts

Handouts

Validation and verification

Ch 30

Ch 30 3-4

Ways of outputting

Handouts

Handouts

3.4 user interface design

The importance of good interface design; choosing appropriate hardware for an application; how to design the human-computer interface; types of interface and their characteristics (see paper 1); speed mismatch problems

Ch 39

Handouts

Ch 39 1-8 (nb q 3-4 is one question!)

3.5 Types of Information Systems

Passive and interactive information systems;

Management information systems (MIS);

Batch processing and rapid response applications

(= real-time); (see paper 1)

knowledge based systems (=expert systems) (diagnostic, advice giving and decision making);

difference between MIS and knowledge based systems

Ch 74

Handouts

Ch 74 1-3

(q 2 – use example on p 355)

3.6 Implications of computer use

Current trends in computing;

Changes in leisure and at work;

Privacy and confidentiality of data; data protection act;

Health and safety;

Environmental issues

Ch 21-24 Handouts and articles

Ch 21 1-4, 6

Ch 22 1-4

Ch 23 1-3

Ch 24 1-2

Ch 72 1-2

Ch 74 6