Topic 9

Question 1

What factors are dependent on what HCI is chosen?

Answer 1

Task: staff in fast food outlet, will find touch screen quicker to learn.

User experience

User preference: prefer GUI= aesthetically pleasing.

Resources: HCI’s with lots of graphics may be easier to use, but take up more memory.

Question 2

What are some common types of HCI?

Answer 2

GUI (graphical user interface)

Voice

Command line

Question 3

Explain four characteristics or GUI?

Answer 3

Windows- areas of the screen for each program

Icons- small pictures representing commands

Menus- selecting from lists

Pointers- a cursor or arrow moved by a mouse

Question 4

What are the advantages and dos advantages of using GUI?

Answer 4

As- Easier for beginners.

Dis- more storage space and memory are needed to be able to run the graphics in GUI

Question 5

What are the characteristics of voice?

Answer 5

Speech recognition

Natural language

Speech synthesis

Question 6

What are the advantages and disadvantages of voice?

Answer 6

Ad- speech recognition can be quicker to use, if they’re unable to type.

Dis- speech recognition can be frustrating at first as the system doesn’t know how you speak.

Question 7

What are the advantages and disadvantages of using command line?

Answer 7

Ad- quicker for experts who know commands

Dis- difficult for beginners to learn the commands

Question 8

What does HCI stand for?

Answer 8

Human computer interface. It deceived the way humans interact with computers