ICT, Modelling And Prototyping

Question 1

Disadvantages of CAD

Answer 1

Software can be expensive
Requires a computor
Needs training to use

Question 2

Advantages of CAM

Answer 2

Fast setup
Accurate
Fewer skilled workers needed
Identical parts produced

Question 3

Disadvantages of CAM

Answer 3

Machinery can break down halting production

Initial set up can be expensive

Question 4

Advantages of making an architectural model

Answer 4

A scale model allows designer to see proportion of building
Allows client to see what the end product will look like
Allows designers to solve problems
Allows testing
Allows materials to be tested
Allows 3D model to be transported

Question 5

Advantages of desktop publishing

Answer 5

Text and images can be easily manipulated by cut and paste
A Range of typefaces are available
Images can be imported
Graphic tools are easier to use
Can zoom in and out to help with detail work
Allows for quiker layouts
Easy to fix mistakes

Question 6

Disadvantages of rapid prototyping

Answer 6

Expensive process. Increased cost for customer
May cause the designer redeveloping the product for perfection
May slow development process
Regular upgrades of software
Consumables can be expensive
Training may be required
Costs of equipment is high

Question 7

Advantages of CAD

Answer 7

Able to see 3D views so saves money on creating 3D models.
Easy to edit to allow changes.
Drawings of nets can have cut and etch lines embeded.
Allows more designers to work on the design as it can be sent around.
Range of tools available.
Speeds up manufacture.
Can be saved.