Sunday, November 16, 2008

computer hardware

  1. Read through this list of devices and match the type that you think it is.

Name of device Example of Use

1

CD-ROM Drive

a. Monitor shoppers as part of security in a large superstore.

2

Touch Sensitive Screen

b. Capture text or an image from a document to save typing in.

3

Optical Mark Reader

c. Encarta or other encyclopedia on a Read Only or Read/Write CD.

4

Joystick

d. Take a photograph to display on a personnel record and transfer to PC.

5

Plotter

e. Print a fitted kitchen design.

6

Tape streamer

f. Store systems and applications software

7

Hard drive

g. View a computer game.

8

Digital Camera

h. Print a high quality business letter

9

Zip Disk Drive

i. Record some guitar music using a PC and music software.

10

Laser Printer

j. Play a game.

11

Scanner

k. Listen to the commentary stored on a CD-ROM.

12

Microphone

l. Control a mobile robot attached to a PC.

13

Loudspeaker

m. Print a graph in colors.

14

Bar code Scanner

n. Read a library book bar code.

15

Monitor

o. Draw a picture freehand using the stylus

16

Video Camera

p. When making a choice from the menu in a tourism program.

17

Sensor e.g. heat sensor

q. Use data logging to record the room temperature every 10 ms.

18

Digital Tablet

r. Store large images for later use on a removable 100MB disk.

19

Motor

s. For weekly backups in case of system failure.

20

Ink Jet Printer

t. Used for reading Lottery tickets and multiple choice examinations.



2. Classify the list above as input and output devices. In addition, supply more devices under each category.

Input Devices

Output Devices

Backing Store



3. Under Input devices, classify them again.

Human Entry Devices

Source Data Automation

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