CH02 INPUT AND OUTPUT (IIT)

What is the main purpose of an input device?

• To display processed data

• To store information

• To enter data and instructions into a computer

• To print documents

Which of the following is NOT a type of keyboard?

• Gaming keyboard

• Optical keyboard

• Ergonomic keyboard

• Virtual keyboard

An ergonomic keyboard is designed to:

• Be more colorful

• Fit in small spaces

• Reduce wrist and hand strain

• Be used in virtual reality

Which pointing device uses air gestures to control elements on screen?

• Trackball

• Stylus

• Motion input

• Optical mouse

What is the function of a stylus?

• Print 3D images

• Control audio input

• Interact with pen-input devices

• Scan barcodes

Voice input is also known as:

• Voice modulation

• Audio recording

• Speech recognition

• Sound editing

Which device captures video input and allows for real-time conferencing?

• Trackpad

• Webcam

• OCR scanner

• Microphone

What type of scanner is used to read characters from printed documents?

• Barcode scanner

• QR reader

• Optical Character Recognition (OCR)

• Motion detector

Which of the following is a magnetic input device used in banking?

• RFID scanner

• MICR reader

• Optical mouse

• Digital pen

What does a graphics tablet do?

• Projects video on a screen

• Scans physical documents

• Converts stylus movement into signals

• Prints paper copies