Comupter Input/Output Devices
Total Questions: 20
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A ) Display information
B ) Print documents
C ) Input data ✅
D ) Control the mouse
Explanation:
A keyboard is an input device used to enter data into a computer.
A ) Keyboard
B ) Printer
C ) Mouse ✅
D ) Scanner
Explanation:
A mouse is an input device that allows users to point and select on a computer screen.
A ) Output Control Resolution
B ) Object Character Retrieval
C ) Online Character Recording
D ) Optical Character Recognition ✅
Explanation:
OCR is a technology that recognizes text in scanned images.
A ) Scanner ✅
B ) Printer
C ) Webcam
D ) Joystick
Explanation:
A scanner is an input device used to capture images and convert them into digital format.
A ) Display images
B ) Input audio ✅
C ) Print documents
D ) Control the cursor
Explanation:
A microphone is an input device used to capture audio input.
A ) Scanner
B ) Printer ✅
C ) Webcam
D ) Joystick
Explanation:
A printer is an output device that produces a hard copy of a document.
A ) Input images ✅
B ) Output images
C ) Control the cursor
D ) Print documents
Explanation:
A graphics tablet is an input device used to draw or input images.
A ) Scanner
B ) Webcam ✅
C ) Joystick
D ) Printer
Explanation:
A webcam is an input device used to capture video input for a computer.
A ) Input audio
B ) Input text
C ) Point and select on the screen
D ) Control the cursor ✅
Explanation:
A touchpad is an input device used to control the cursor on a laptop.
A ) Random File Input Device
B ) Radio Frequency Identification ✅
C ) Rapid File Indexing and Detection
D ) Relative Frequency of Input and Display
Explanation:
RFID is a technology that uses radio waves to identify and track objects.
A ) Barcode reader
B ) Magnetic stripe reader ✅
C ) RFID reader
D ) Touchscreen
Explanation:
A magnetic stripe reader is used to read information encoded on credit cards.
A ) Input audio
B ) Print documents
C ) Control the cursor
D ) Control movement in games ✅
Explanation:
A joystick is an input device commonly used for controlling movement in games.
A ) Mouse
B ) Optical mouse ✅
C ) Trackball
D ) Stylus
Explanation:
An optical mouse uses light sensors to detect movement on a surface.
A ) Print documents
B ) Output large drawings or designs ✅
C ) Input text
D ) Display images
Explanation:
A plotter is an output device used to produce large drawings or designs.
A ) Stylus ✅
B ) Joystick
C ) Barcode reader
D ) Mouse
Explanation:
A stylus is a pen-like device used for inputting handwriting and drawings.
A ) Read information from barcodes ✅
B ) Output images
C ) Input audio
D ) Control the cursor
Explanation:
A barcode reader is used to read information from barcodes.
A ) Microphone ✅
B ) Webcam
C ) Barcode reader
D ) Joystick
A ) Control the cursor ✅
B ) Display images
C ) Input audio
D ) Output large drawings
Explanation:
A light pen is an input device used to control the cursor on a screen.
A ) Joystick
B ) Barcode reader
C ) OCR ✅
D ) Plotter
Explanation:
OCR is used for reading characters on paper and converting them into digital form.
A ) Input audio
B ) Control movement in games ✅
C ) Output images
D ) Print documents
Explanation:
A game controller is used to control movement and actions in video games.