Computer

Question 1

What are the main components of computers?

Answer 1

Input devices, Output devices, memory and processing.

Question 2

T or F - Storage capacity and computational power are not determinant factors in the design.

Answer 2

F

Question 3

What are some input devices for text entry?

Answer 3

Keyboard (QWERTY, DVORAK, Alphabetic), Phone pad, T9 entry, Virtual Keyboards, 3d laser virtual keyboard, Handwriting recognition, Voice recognition.

Question 4

What are some forms of pointing?

Answer 4

Mouse, Touchpad, Trackpoint, Trackball, Digitalizing tablet, Touchscreen, Joystick, Dataglove, Eye track

Question 5

List some forms of output.

Answer 5

Displays (can vary in resolution, colour depth, size and aspect ratio), Flexible displays, Virtual and Augmented Reality, Sound, Touch (vibration eg. ), smell, taste

Question 6

What are the types of memory?

Answer 6

STM (RAM) and LTM(Hard disk)

Question 7

What are some problems with slow processing?

Answer 7

Overshooting (Buffered keystrokes) and Icon wars

Question 8

What are some problems with too fast processing?

Answer 8

Too fast scroll

Question 9

What are some limitations on interactive performance?

Answer 9

Computation bound, Graphics bound, Network capacity