THE COMPUTER

Question 1

used in some portable and notebook computers

Answer 1

Trackball

Question 2

Keypress closes connection, causing a character code to be sent

Answer 2

Text entry devices

Question 3

When was the mouse was developed and who developed it?

Answer 3

1964 by Douglas C. Engelbart

Question 4

Text entry and pointing

Answer 4

Input devices

Question 5

Example of Special Keyboards

Answer 5

The Maltron left-handed keyboard

Question 6

less susceptible to dust and dirt

Answer 6

Optical

Question 7

For one handed use

Answer 7

Special Keyboards

Question 8

type as if single key for each letter

Answer 8

T9 Predictive entry

Question 9

light emitting diode on underside of mouse

Answer 9

Optical

Question 10

10-15% improvement in speed and reduction in fatigue

Answer 10

Dvorak

Question 11

The devices dictate the styles of interaction that the system supports

Answer 11

Typical Computer System

Question 12

Ideal for portable applications

Answer 12

Chord Keyboards

Question 13

arrangement not optimal for typing. Layout to prevent typewriters jamming

Answer 13

QWERTY

Question 14

designs to reduce fatigue for RSI

Answer 14

Special Keyboards

Question 15

indirect device, fairly accurate.
separate buttons for picking

Answer 15

Trackball

Question 16

biased towards right hand

Answer 16

Dvorak

Question 17

Usually connected by cable but can be wireless

Answer 17

Text entry devices

Question 18

common combinations of letters alternate between hands

Answer 18

Dvorak

Question 19

very fast for gaming

Answer 19

Trackball

Question 20

can be input into the computer, using a pen and a digesting tablet

Answer 20

Handwriting Recognition

Question 21

as output (print) and input (scan)

Answer 21

Paper

Question 22

allows rapid entry of text by experienced users

Answer 22

Text entry devices

Question 23

use numeric key with multiple presses

Answer 23

Phone Pad

Question 24

very common and easy to use

Answer 24

The Mouse

Question 25

capturing all useful information - stroke path, pressure, etc. in a natural manner segmenting joined up writing into individual letters interpreting individual letters coping with different styles of handwriting

Answer 25

Handwriting Recognition

Question 26

speed of processing, networks

Answer 26

Processing

Question 27

may use special grid-like pad or just on desk

Answer 27

Optical

Question 28

Punched card stacks or large data files prepared

Answer 28

Batch Processing

Question 29

screen (small and large), digital paper

Answer 29

Output devices

Question 30

Can be used on almost any flat surface

Answer 30

Mechanical

Question 31

use dictionary to guess the right word

Answer 31

T9 Predictive entry

Question 32

Screen or monitor, on which there are windows Keyboard mouse/trackpad

Answer 32

Typical Computer System

Question 33

keys arranged in alphabetic order

Answer 33

Alphabetic

Question 34

Keypresses reflect letter shape once you have trained

Answer 34

Chord Keyboards

Question 35

Rotates orthogonal potentiometers

Answer 35

Mechanical

Question 36

sound, haptic, bio sensing

Answer 36

Physical interaction

Question 37

usually from 1 to 3 buttons on top, used for making a selection, indicating an option or initiate drawing

Answer 37

The Mouse

Question 38

is made up of various elements

Answer 38

Computer System

Question 39

not faster for trained typists

Answer 39

Alphabetic

Question 40

not faster for beginners

Answer 40

Alphabetic

Question 41

Located on desktop, requires physical space and no arm fatigue

Answer 41

The Mouse

Question 42

only a few keys - four or 5. Letters type as combination of keypresses compact size

Answer 42

Chord Keyboards

Question 43

Ball is rotated inside static housing. Relative motion moves cursor

Answer 43

Trackball

Question 44

detects fluctuating alterations in reflected light intensity to calculate relative motion in (x,z) alone

Answer 44

Optical

Question 45

special interaction and display devices

Answer 45

Virtual reality

Question 46

Most common text input devices

Answer 46

Text entry devices

Question 47

RAM and permanent media, capacity and access

Answer 47

Memory

Question 48

Improving rapidly

Answer 48

Speech Recognition

Question 49

Ball on underside of mouse turns as mouse is moved

Answer 49

Mechanical

Question 50

common letters under dominant fingers

Answer 50

Dvorak

Question 51

for accurate CAD and for fast scrolling

Answer 51

Thumbwheels

Question 52

often used for computer games

Answer 52

Joystick

Question 53

for laptop computers

Answer 53

Keyboard Nipple

Question 54

Miniature joystick in the middle of the keyboard

Answer 54

Keyboard Nipple

Question 55

Detect the presence of finger or stylus on the screen

Answer 55

Touch-Sensitive Screen

Question 56

works by interrupting matrix or light beams, capacitance changes or ultrasonic reflections.

Answer 56

Touch-Sensitive Screen

Question 57

Control interface by eyes gaze direction and uses laser beam reflected off retina

Answer 57

Eyegaze

Question 58

potential for hands-free control and high accuracy requires headset

Answer 58

Eyegaze

Question 59

Very cheap but slow.

Answer 59

Cursor Key

Question 60

Useful for not much more than basic motion for text-editing tasks and no standardized layout but inverted "T" most common

Answer 60

Cursor Key