Module 1.7

Question 1

Pointing Devices

Answer 1

Used to move the pointer or curser on the screen.

Question 2

Pen

Answer 2

Draw more accurately than a mouse.

Question 3

Trackball

Answer 3

Move the ball with your fingers; often used by people with disabilities.

Question 4

Touch Screen

Answer 4

Multi-touch screens also allow for gestures such as pinching; both input and output device.

Question 5

Sensors

Answer 5

Built into mobile devices like smartphones.

Question 6

Accelerometer

Answer 6

Detects movements such as screen orientation for games and auto-rotation of the screen.

Question 7

Temperature Sensors

Answer 7

Prevent devices from overheating - it will turn off automatically if too hot.

Question 8

Light Sensors

Answer 8

Auto adjustment for screen brightness; switches screen off when your phone is close to your ear.

Question 9

Electronic Compass

Answer 9

Shows directions were the device is pointing.

Question 10

Gaming Devices

Answer 10

Joystick
Game Controller
Steering Wheel

Question 11

Digital Cameras

Answer 11

Built into smartphones

Question 12

Resolution measurement?

Answer 12

Megapixels (MP)

Question 13

Scanners and Reading Devices

Answer 13

Capture data without having to type/speak/write.

Question 14

Flatbed scanner

Answer 14

Scans one page/image at a time.

Question 15

Sheet-fed Scanner

Answer 15

Can put a stack of papers on a tray and the scanner will automatically scan one sheet after another.

Question 16

Barcode Reader

Answer 16

Mostly found in shops and libaries; recognises a code associated with the item.

Question 17

Benefits of a barcode reader?

Answer 17

Speen and accuracy.

Question 18

Biometric Scanner

Answer 18

Technology that scans something biologically unique to a person.

Question 19

Card Input

Answer 19

Read/write data on cards with a magnetic strip.

Question 20

RFID (Radion Frequency Identification)

Answer 20

Uses small radion devices to store and transmit data.

Question 21

OCR

Answer 21

Optical Character Recognition - convert text in an image to editable text.

Question 22

Video and Audio Imput

Question 23

Video

Answer 23

Record directly with a built-in camera or webcam.

Question 24

Audio

Answer 24

Recorded using a built-in microphone.

Question 25

Audio Output

Answer 25

Provides feedback and is used to enhance entertainment.

Question 26

Data Projectors

Answer 26

Allow sharing a display with many people by projecting it in large size on a screen/wall.

Question 27

Multi-Functional Printers

Answer 27

Input and output - scan/print/fax/photocopy

Question 28

Storage Devices and Media:

Question 29

Optical Media

Answer 29

CD/DVD is mainly used for media or games.

Question 30

Memory Cards

Answer 30

Storage for cameras or other portable devices/

Question 31

Processing:

Question 32

Motherboard

Answer 32

Large circuit board that allows all other parts to connect to it and communicate via it.

Question 33

CPU

Answer 33

Central Processing Unit - processes all data and carries out instructions’ plugs into the ZIF (zero insertion force) socket.

Question 34

RAM or ROM

Answer 34

RAM (random access memory)
.