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My Comptia A+ Studyguide > Peripheral Devices > Flashcards

Peripheral Devices Flashcards

1
Q

What are the three types of peripheral devices?

A

-input
-output
-storage

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2
Q

Which connector is used by most peripheral devices?

A

USB

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3
Q

most commonly used to connect computers to peripheral devices such as keyboards, computer mice, printers, audio devices and digital cameras/camcorders?

A

USB

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4
Q

Which peripheral devices require little to no configuration?

A

keyboard and mice (You plug those in and they work thats why they require little to no configuration)

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5
Q

Which peripheral devices require special software or drives to function?

A

Cameras, motion sensors, biometric devices, etc.

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6
Q

What is the difference between an input device and an output device?

A

-input device is connected to a computer that sends out data into the computer
-output device is connected to a computer that receives incoming data.

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7
Q

A device that captures an analog signal and turns it into digital data. Examples include graphics tables, document scanners, and 3D scanners.

A

Digitizer

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8
Q

A device that sends data to a computer.

A

Input device

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9
Q

A device that can input data to a computer and accept output data from a computer. Examples include CD-ROMs, DVD-ROMS, USB flash drives, hard disk drives, network adapters, and Bluetooth adapters.

A

Input/output (I/O) device

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10
Q

A switch that allows multiple computers to use a single keyboard, mouse, and monitor.

A

Keyboard video mouse switch (KVM)

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11
Q

A unit of measurement that indicates an amount of light.

A

Lumen

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12
Q

A set of communication protocols that allow devices to communicate when they are within 1.6 inches of one another. These devices are commonly used in retail stores and restaurants with Tap Pay phone apps.

A

Near-field communication (NFC)

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13
Q

How can you verify that a device is compatible with a particular computer?

A

Research the device or read the manual so you can verify your computer’s specifications suit the device or if it is compatible or not.

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13
Q

A device used to send or display data from a computer

A

Output device

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14
Q

external component that either sends information to a computer or retrieves information from a computer

A

peripheral device

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15
Q

-connects through a USB port.
-has special function keys that simplify playing music or browsing the internet.
-includes a built-in USB port that can be used to connect other peripheral devices.

A

keyboard

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16
Q

-can be either wired or wireless.
-uses a USB port to connect to the computer.
-uses an internal battery for power and uses RF signals (Bluetooth) to connect to a receiver that is either connected to a USB port or integrated with the computer.

A

mouse

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17
Q

-captures some type of analog signal and converts it into digital data

A

Digitizer

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18
Q

common types of digitizer devices

A

-Graphics tables
-Document Scanners
-3D Scanners

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19
Q

-captures analog stylus strokes written on a pad and convert them to digital data. These are mostly used by graphic artists to capture hand-drawn images.

A

Graphics tables

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20
Q

-designed to convert paper documents into digital documents, such as PDFs or Rich Text Format files.

A

Document Scanners

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21
Q

-creates editable word processor documents.

A

optical character recognition (OCR)

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22
Q

There are two types of document scanners.

A

-Automatic Document Feeder (ADF)
-Flatbed scanners

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23
Q

scanners automatically scan a stack of papers.

A

Automatic Document Feeder (ADF)

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24
Q

require that you place each page on a scanning surface one by one.

A

Flatbed scanners

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25
Q

use either physical contact or lasers to map the size and shape of a physical object and convert it into a 3D digital model.

A

3D Scanners

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26
Q

input devices designed specifically for computer gaming.

A

Game controllers

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27
Q

two main types of game controllers:

A

-Gamepads
-Joysticks

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28
Q

handheld controllers with directional controls on the left and buttons on the right.

A

Gamepads

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29
Q

-consist of a stick that pivots on a base. Both the stick and the base have several input buttons.
-are typically used with flight simulator games.

A

Joysticks

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30
Q

-used to scan hard-copy images and documents and convert them into digital input for the PC.
-For example, film photos can be scanned and saved as image files.

A

Scanner

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31
Q

-devices that are able to detect the slightest amount of movement in an area.
-They are typically used with security systems and require special software and configuration.

A

Motion sensors

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32
Q

Two types of motion sensors

A

-active
-passive

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33
Q

-use ultrasonic sound waves to detect movement in an area.
-If movement is detected, something happens (such as a door opening or an alarm).

A

Active motion sensors

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34
Q

-detect infrared energy, which is emitted by humans and animals.
-ignore small changes in infrared energy in order to avoid false alarms.
-are sometimes called passive infrared sensors (PIR).

A

Passive motion sensors

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35
Q

-are typically found on notebook computers and are used in place of a mouse.
-Users slide their finger on the touch pad to manipulate the cursor.
-can also be used with desktop computers.
-connects to the computer through a USB port and are used instead of a mouse.

A

Touch pads

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36
Q

-card that contains an embedded microchip or a magnetic strip is inserted into the reader.
-reader then scans the chip or strip, verifies its contents, and authenticates the user.
-can be stand-alone devices or integrated with other peripherals (such as a keyboard or workstation).

A

card reader

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37
Q

-used as a form of authentication.
-scan users’ unique physical features and use them to verify their identity.

A

Biometric scanners

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37
Q

-used as a form of authentication. They are able to scan users’ unique physical features and use them to verify their identity.

A

Biometric scanners

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38
Q

physical features used by biometric scanners are

A

-Retina (eyes)
-Fingerprint
-Face
-Heart beat

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39
Q

device that can scan barcodes

A

barcode reader

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40
Q

-most commonly used in retail environments at checkout stands. Shipping companies, hospitals, and other organizations use barcodes to track or inventory items.
-use a laser to scan the barcode. Some use cameras or optical scanners.
-includes software that interprets the meaning of the barcode.

A

barcodes/barcode reader

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41
Q

-set of communication protocols that allows devices to communicate when they are within 1.6 inches of one another.
-used to share contacts, photos, videos, and documents, such as identity documents and key cards.

A

Near Field Communication (NFC)/ Tap Pay device

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42
Q

-is most often employed between a base and a smart phone to allow Tap Pay transactions at stores and restaurants
-the user places their phone within proximity of the base and uses an app to make an electronic transactions from their mobile phone.

A

NFC technology

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43
Q

-A device worn on the head that covers the eyes and provides separate images for each eye, stereo sound, and motion tracking sensors to create this type of reality experience for the user.

A

Virtual reality (VR) headset

44
Q

Some headsets also have eye tracking sensors and work with handheld gaming controllers. T or F

A

True

45
Q

Virtual reality is widely used to train medical and military professionals. T or F

A

True

46
Q

As it becomes more affordable, it is being widely adopted in many fields. T or F

A

True

47
Q

-converts sound into an electrical signal.

A

microphone

48
Q

Some computers have a built-in microphone, and many headsets and camera systems that connect to computers include microphones. T or F

A

True

49
Q

-used to obtain signatures for transactions and agreements.

A

Signature pads

50
Q

-The user uses a stylus on a touch screen to sign his or her name
-The signature is captured and stored digitally.
-Signature pads are commonly used in retail stores and restaurants.
T or F

A

True

51
Q

-are display devices that use light to project display output onto a wall or screen.

A

Projectors

52
Q

-Projectors are often used in classrooms and meetings to display information for a large audience.
-The brightness of light from projectors and other output devices is measured in lumens.
-Projectors may use light-emitting diodes (LEDs), organic light-emitting diodes (OLEDs), or other hardware.
T or F

A

True

53
Q

allows multiple computers to use a single keyboard, mouse, and monitor.

A

KVM switch (keyboard, video, mouse)

54
Q

support two or three computers, which must be within about 5 meters.

A

Desktop KVM switches

55
Q

use special hardware devices that send keyboard, mouse, and video content through a network connection.

A

Networked or remote KVM switches

56
Q

-KVM switches have multiple input groups, with each group accepting keyboard, video, and mouse connections from one computer.
-A single output group connects to the shared peripheral devices.
-Buttons on the KVM switch are used to toggle between each connected computer.
T or F

A

True

56
Q

-Most peripheral devices use USB connectors.
-Older peripheral devices can use PS/2, serial, or parallel connectors. For these devices, you can use an adapter (e.g., a PS/2 to USB adapter).
-An expansion card can be added to provide the necessary connections.

True or False

A

True

57
Q

can support up to 16 computers and are typically used in data centers to manage servers from a central console.

A

Rackmount KVM switches

58
Q

this type of reader allows your device to add to a computer if you needed to take inventory at a retail store by scanning the UPC symbols on products

A

Bar code reader

59
Q

Installing a bar code reader will allow you to take inventory at a retail store by scanning the UPC symbols on products.

True or False

A

True

60
Q

scan documents.

A

scanner

61
Q

is an interactive monitor for a computer.

A

touch screen

62
Q

a type of mouse.

A

trackball

63
Q

devices authenticates users based on their physical features

A

Biometric scanner

64
Q

a device that captures a retina, fingerprint, face, or heartbeat for authentication purposes

A

Biometric scanner

65
Q

takes analog signal content and converts it to digital data

A

digitizer

66
Q

is considered an input device:
RAM
Hard disk
Projector
Touchscreen

A

Touchscreen

67
Q

is a monitor that can receive input through touch

A

touchscreen

68
Q

magnetic storage device used to store computer data

A

hard disk

69
Q

most common type of memory found in computers and other devices, such as printers

A

RAM

70
Q

a display device that uses light to project a display output from a computer. It is not an input device.

A

projector

71
Q

switch would allow you to control all three computers with one keyboard, one monitor, and one mouse.

A

A KVM (keyboard, video, mouse)

72
Q

-The KVM switch has multiple input groups, and each group accepts keyboard, video, and mouse connections from a single computer.
-A single output group connects to the shared input/output devices.
-Buttons on the KVM switch or keyboard shortcut combinations allow you to toggle the input/output devices between computers.
True or False

A

True

73
Q

allows multiple USB-compatible devices (up to 127) to be connected to a single USB connection, but the hub does not connect to or control multiple PCs

A

USB hub

74
Q

networking device that connects multiple networks

A

router

75
Q

standard for connectors to digital video cards

A

DVI (Digital Visual Interface)

76
Q

switch allows multiple computers to use a single keyboard, mouse, and monitor.

A

A KVM (keyboard, video, and mouse)

77
Q

-KVM switches have multiple input groups. Each group accepts keyboard, video, and mouse connections from one computer.
-A single output group connects to the shared peripheral devices.
-Buttons on the KVM switch are used to toggle between each connected computer.
-Some KVMs allow you to switch devices using a special keyboard key combination.
True or False

A

True

78
Q

used to take a single source (such as a computer) and distribute that HDMI signal to multiple output devices, such as monitors.

A

HDMI splitter

79
Q

is a cable or device that allows you to separate a video signal into multiple connections and connect those individual signals to multiple devices

A

VGA splitter

80
Q

a device that expands a single Universal Serial Bus (USB) port into several so that there are more ports available to connect devices to a host system, similar to a power strip.

A

multi-port USB hub

81
Q

a device that allows you to connect multiple computers to a single monitor or projector.

A

VGA splitter

82
Q

VGA splitter

A

Video Graphics Array

83
Q

devices that are designed for playing games on computers

A

gamepad and joystick

83
Q

Digitizer and Scanner devices have the ability to perform the task of copying data from an analog source into word processing documents.
True or False

A

True

84
Q

-A digitizer captures some type of analog signal and converts it into digital data.
-For example, graphics tablets capture analog stylus strokes written on a pad and convert them to digital data.
-These are mostly used by graphic artists to capture hand-drawn images.
True or False

A

True

85
Q

-Smart card readers are used as an authentication method.
-A smart card, which contains an embedded microchip, is inserted into the reader.
-The reader then scans the chip, verifies its contents, and authenticates the user.
-Smart card readers can be stand-alone devices or integrated with other peripherals (such as a keyboard).
True or False

A

True

86
Q

-Biometric scanners are used as a form of authentication.
-They are able to scan users’ unique physical features and use them to verify their identity.
-Biometric scanners commonly identify retinas, fingerprints, faces, and heartbeats.
True or False

A

True

87
Q

-A barcode reader is a device that can scan barcodes.
-Barcodes are most commonly used in retail environments at checkout stands.
-Shipping companies, hospitals, and other organizations use barcodes to track or inventory items.
True or False

A

True

88
Q

this peripheral device is best for capturing a customer’s signature when they check out at a convenience store or supermarket

A

Signature pad

89
Q

designed specifically for capturing a signature to be stored digitally, usually by a point-of-sale device.

A

signature pad

90
Q

used for reading digital data on an electronic card (credit card, ID badge, etc.).

A

card reader

91
Q

Touch pad is peripheral device that typically found on a laptop computer and allows the user to control the cursor with a finger
True or False

A

True

92
Q

Touch pads are typically found on notebook computers and are used in place of a mouse. Users slide their finger on the touch pad to manipulate the cursor.
True or False

A

True

93
Q

devices that are able to detect the slightest amount of movement in an area.

A

Motion sensors

94
Q

handheld controllers with directional controls on the left and buttons on the right.

A

Gamepads

95
Q

used to scan hard-copy images and documents and convert them into digital input for the PC

A

scanners

96
Q

devices that are designed for playing games on computers

A

gamepad and joystick

96
Q

Digitizer and Scanner devices have the ability to perform the task of copying data from an analog source into word processing documents.
True or False

A

True

96
Q

-A digitizer captures some type of analog signal and converts it into digital data.
-For example, graphics tablets capture analog stylus strokes written on a pad and convert them to digital data.
-These are mostly used by graphic artists to capture hand-drawn images.
True or False

A

True

96
Q

hand-held device used to manipulate the cursor

A

mouse

97
Q

Digitizer and Scanner devices have the ability to perform the task of copying data from an analog source into word processing documents.
True or False

A

True

97
Q

devices that are designed for playing games on computers

A

gamepad and joystick

98
Q

devices that are designed for playing games on computers

A

gamepad and joystick

98
Q

Digitizer and Scanner devices have the ability to perform the task of copying data from an analog source into word processing documents.
True or False

A

True

99
Q

Digitizer and Scanner devices have the ability to perform the task of copying data from an analog source into word processing documents.
True or False

A

True

99
Q

devices that are designed for playing games on computers

A

gamepad and joystick

100
Q

Digitizer and Scanner devices have the ability to perform the task of copying data from an analog source into word processing documents.
True or False

A

True

101
Q

devices that are designed for playing games on computers

A

gamepad and joystick

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