The headphone of the computer is which type of device? A. Input B. Output C. Input & Output D. Neither Explanation: Headphones are output devices that deliver audio.
Speakers are ____. A. Output Devices B. Input Devices C. Both A and B D. Hard Output Explanation: Speakers are output devices that produce sound.
When a song is played through a speaker, what type of device is produced? A. Soft output B. Hard Input C. Soft and hard Output D. Hard Output Explanation: The speaker produces both soft (sound) and hard (electrical-to-mechanical) outputs.
For hearing and playing music, which technology is required? A. Sound Card and Speakers B. Sound Card C. Microphone D. None of these Explanation: A sound card and speakers are required for audio output.
____ are used to display data. A. Storage devices B. Communication devices C. Input devices D. Output devices Explanation: Output devices (monitor, printer, etc.) display data.
Name the type of mouse that uses laser technology to detect the motion of the ball. A. Optical mouse B. Mechanical C. Opto-mechanical D. All of these Explanation: An optical mouse uses a laser/LED to detect movement.
Function of a mouse is similar to that of a ____. A. Joystick B. Keyboard C. Camera D. Monitor Explanation: Both the mouse and the joystick are pointing input devices.
A joystick is a(n) ____ device. A. Input B. Output C. Storage D. Processing Explanation: A joystick is an input device used for gaming and control.
Barcode reader is a(n) ____. A. Output device B. Input device C. Display D. Storage Explanation: A barcode reader is an input device that scans barcodes.
Which is used in security systems and criminal investigations? A. Finger print reader B. Robots C. Sound Card D. Barcode Reader Explanation: Fingerprint readers are used in security and criminal investigations.