Input-Output Devices

Question 1

Input Device

Answer 1

A device that accepts information from the user and passes it to the computer for processing.

Question 2

Touchpad

Answer 2

An input device where users move their fingers over a touch-sensitive surface to move the pointer around the screen.

Question 3

Biometric Device

Answer 3

A device that allows access to a computer or device by identifying a person through one of their unique physical characteristics.

Question 4

Camcorder

Answer 4

A hand-held device used to record live-action video and audio.

Question 5

Digital Camera

Answer 5

A hand-held device that records still images digitally instead of on photographic film.

Question 6

Joystick

Answer 6

A device that controls the movement of the cursor on the screen.

Question 7

KVM (Keyboard, Video, Mouse) Switch

Answer 7

A switch that allows a user to use one keyboard, mouse, and display device for multiple computers.

Question 8

Touch Screen

Answer 8

A display device that senses touch on its surface, then translates that touch to user input data.

Question 9

Speaker

Answer 9

A device which converts an electrical audio signal into a corresponding sound.

Question 10

Barcode Reader

Answer 10

A hand-held scanner used to read the group of thick and thin lines (called a barcode) printed on various products.

Question 11

What captures printed photos and images for editing on a computer?

Answer 11

Scanner

Question 12

What transmits live video over the Internet?

Answer 12

Webcam

Question 13

Hardware

Answer 13

Used to view the underlying devices and their properties

Question 14

Wheel

Answer 14

Used to change the vertical and horizontal scrolling options

Question 15

Buttons

Answer 15

Used to make changes in the configuration of the keys such as double-click speed

Question 16

Digitizer

Answer 16

Converts hand-drawn pictures into digital images that can be manipulated using computer software

Question 17

3D printers take information from the computer and create only two-dimensional solid objects using photopolymer resin.

Answer 17

False

Question 18

The speaker converts digital signals from the computer into sound waves that the user can hear.

Answer 18

True

Question 19

Levels

Answer 19

Used to adjust the volume and change the Left/Right balance of the speakers

Question 20

General

Answer 20

Used to view the information about the speakers, change the driver, and enable/disable them.

Question 21

Enhancements

Answer 21

Used to enable and disable effects that change the quality of sound played from the speakers.

Question 22

Advanced

Answer 22

Used to adjust the sample rate and bit depth if sound distortion is experienced

Question 23

A KVM switch is a hardware device that uses MAC addresses to control the network traffic flow.

Answer 23

False

Question 24

MIDI is a protocol for recording and playing back music on a computer.

Answer 24

True

Question 25

What touch screen technology uses the conductive touch of a human finger or a specialized device for input?

Answer 25

Capacitive

Question 26

A KVM switch allows a user to use more than one keyboard, mouse, and display device for multiple computers.

Answer 26

False

Question 27

A touch screen is a display device that senses touch on its surface and then translates that touch to user input data.

Answer 27

True

Question 28

A set-top box receives digital audio and video signals and then sends those signals to a display.

Answer 28

True

Question 29

A smart TV is a television or set-top box that has the ability to display static content only.

Answer 29

False

Question 30

What input device is used to convert hand-drawn pictures into digital images that can be manipulated using computer software?

Answer 30

Digitizer

Question 31

What input device can be used for entering data using gestures and gaming input?

Answer 31

Motion sensor

Question 32

What device takes video content and converts it to a format that can be viewed on a television?

Answer 32

Set top box

Question 33

What touch screen technology uses a glass panel with a receiving and a sending transducer mounted along the sides of the panel?

Answer 33

Surface acoustic wave

Question 34

What receives digital audio and video signals and then sends those signals to a display, such as a television set or computer display?

Answer 34

Set-top box

Question 35

What is a protocol for recording and playing back music on a computer?

Answer 35

MIDI

Question 36

Which input device is used to read a group of thick and thin lines printed on various products?

Answer 36

Barcode reader

Question 37

Which device converts sound waves into varying electrical signals?

Answer 37

Microphone

Question 38

What display connection interface should you select for connecting a set-top box to get the best picture quality?

Answer 38

HDMI

Question 39

What allows you to use one keyboard, mouse, and display device for multiple computers?

Answer 39

KVM switch