Answers to End-of-Chapter Materials

advertisement
Computing Essentials 2010
Answers to End-of-Chapter Materials
Chapter 7
Num
Multiple Choice
Answers
Matching
Answers
1
2
3
4
5
6
7
8
9
10
A
B
A
C
D
A
D
C
D
Should be
Internet
Telephones
I
E
F
J
A
B
G
D
C
H
Open Ended Questions:
1. Define input and output devices.
Input devices are hardware used to translate words, sounds, images, and actions that
people understand into a form that the system unit can process.
An out put device is any hardware used to provide or to create processed data or
information.
2. Describe the different types of pointing, scanning, image capturing, and audio-input
devices.
There is a wide variety of different pointing devices, including the mouse, joystick, touch
screen, light pen, and stylus
There are three types of scanning devices: optical scanners, bar code readers, and
character and mark recognition devices.
Image capturing devices, include digital cameras and digital video cameras.
Audio-input devices include microphones and MIDI devices
3. Describe the three categories of output devices.
The categories of output devices are monitors, printers and audio-output devices
4. Define output and output devices
An output device is any hardware used to provide or to create processed data or
information.
Output is any processed data or information.
5. What are combination input and output devices? Describe four such devices.
Combination input and output devices are hardware that combines input and output
capabilities. Some of these devices are fax machines, multifunctional devices, Internet
telephones, and terminals.
Page 1 of 2
Computing Essentials 2010
Page 2 of 2
Download