Input-Output Devices Flashcards
Input Device
A device that accepts information from the user and passes it to the computer for processing.
Touchpad
An input device where users move their fingers over a touch-sensitive surface to move the pointer around the screen.
Biometric Device
A device that allows access to a computer or device by identifying a person through one of their unique physical characteristics.
Camcorder
A hand-held device used to record live-action video and audio.
Digital Camera
A hand-held device that records still images digitally instead of on photographic film.
Joystick
A device that controls the movement of the cursor on the screen.
KVM (Keyboard, Video, Mouse) Switch
A switch that allows a user to use one keyboard, mouse, and display device for multiple computers.
Touch Screen
A display device that senses touch on its surface, then translates that touch to user input data.
Speaker
A device which converts an electrical audio signal into a corresponding sound.
Barcode Reader
A hand-held scanner used to read the group of thick and thin lines (called a barcode) printed on various products.
What captures printed photos and images for editing on a computer?
Scanner
What transmits live video over the Internet?
Webcam
Hardware
Used to view the underlying devices and their properties
Wheel
Used to change the vertical and horizontal scrolling options
Buttons
Used to make changes in the configuration of the keys such as double-click speed
Digitizer
Converts hand-drawn pictures into digital images that can be manipulated using computer software
3D printers take information from the computer and create only two-dimensional solid objects using photopolymer resin.
False
The speaker converts digital signals from the computer into sound waves that the user can hear.
True
Levels
Used to adjust the volume and change the Left/Right balance of the speakers
General
Used to view the information about the speakers, change the driver, and enable/disable them.
Enhancements
Used to enable and disable effects that change the quality of sound played from the speakers.
Advanced
Used to adjust the sample rate and bit depth if sound distortion is experienced
A KVM switch is a hardware device that uses MAC addresses to control the network traffic flow.
False
MIDI is a protocol for recording and playing back music on a computer.
True
What touch screen technology uses the conductive touch of a human finger or a specialized device for input?
Capacitive
A KVM switch allows a user to use more than one keyboard, mouse, and display device for multiple computers.
False
A touch screen is a display device that senses touch on its surface and then translates that touch to user input data.
True
A set-top box receives digital audio and video signals and then sends those signals to a display.
True
A smart TV is a television or set-top box that has the ability to display static content only.
False
What input device is used to convert hand-drawn pictures into digital images that can be manipulated using computer software?
Digitizer
What input device can be used for entering data using gestures and gaming input?
Motion sensor
What device takes video content and converts it to a format that can be viewed on a television?
Set top box
What touch screen technology uses a glass panel with a receiving and a sending transducer mounted along the sides of the panel?
Surface acoustic wave
What receives digital audio and video signals and then sends those signals to a display, such as a television set or computer display?
Set-top box
What is a protocol for recording and playing back music on a computer?
MIDI
Which input device is used to read a group of thick and thin lines printed on various products?
Barcode reader
Which device converts sound waves into varying electrical signals?
Microphone
What display connection interface should you select for connecting a set-top box to get the best picture quality?
HDMI
What allows you to use one keyboard, mouse, and display device for multiple computers?
KVM switch
