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CompTIA A+ > Input-Output Devices > Flashcards

Input-Output Devices Flashcards

1
Q

Input Device

A

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

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2
Q

Touchpad

A

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

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3
Q

Biometric Device

A

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

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4
Q

Camcorder

A

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

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5
Q

Digital Camera

A

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

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6
Q

Joystick

A

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

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7
Q

KVM (Keyboard, Video, Mouse) Switch

A

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

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8
Q

Touch Screen

A

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

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9
Q

Speaker

A

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

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10
Q

Barcode Reader

A

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

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11
Q

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

A

Scanner

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12
Q

What transmits live video over the Internet?

A

Webcam

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13
Q

Hardware

A

Used to view the underlying devices and their properties

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14
Q

Wheel

A

Used to change the vertical and horizontal scrolling options

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15
Q

Buttons

A

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

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16
Q

Digitizer

A

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

17
Q

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

A

False

18
Q

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

A

True

19
Q

Levels

A

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

20
Q

General

A

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

21
Q

Enhancements

A

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

22
Q

Advanced

A

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

23
Q

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

A

False

24
Q

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

A

True

25
Q

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

A

Capacitive

26
Q

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

A

False

27
Q

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

A

True

28
Q

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

A

True

29
Q

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

A

False

30
Q

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

A

Digitizer

31
Q

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

A

Motion sensor

32
Q

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

A

Set top box

33
Q

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

A

Surface acoustic wave

34
Q

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

A

Set-top box

35
Q

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

A

MIDI

36
Q

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

A

Barcode reader

37
Q

Which device converts sound waves into varying electrical signals?

A

Microphone

38
Q

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

A

HDMI

39
Q

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

A

KVM switch

CompTIA A+ (24 decks)

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