1.
A device converts physical movement into digital signals to control the cursor on a screen. Which device performs this function?
A. Mouse
B. Printer
C. Monitor
D. Speaker
Answer: A
2.
Which input device uses optical sensors to detect movement on a surface?
A. Optical Mouse
B. Trackball
C. Light Pen
D. Joystick
Answer: A
3.
A bank uses a device to capture handwritten signatures digitally. Which input device is being used?
A. Digital Signature Pad
B. Barcode Reader
C. Scanner
D. Microphone
Answer: A
4.
Which input device reads printed text and converts it into editable digital text using OCR technology?
A. Scanner
B. Keyboard
C. Webcam
D. Microphone
Answer: A
5.
Which input device is most suitable for precise drawing and graphic design tasks?
A. Graphics Tablet
B. Touchpad
C. Joystick
D. Barcode Reader
Answer: A
6.
A retail store scans product codes to retrieve price information from a database. Which device performs this task?
A. Barcode Reader
B. Light Pen
C. Trackball
D. Webcam
Answer: A
7.
Which input device is commonly used in virtual reality systems to detect hand movements and gestures?
A. Motion Sensor
B. Printer
C. Monitor
D. Speaker
Answer: A
8.
Which input device allows users to interact with the computer by touching icons directly on the display?
A. Touchscreen
B. Scanner
C. Microphone
D. Trackball
Answer: A
9.
A device allows users to move the pointer without moving the entire device itself. Which device is this?
A. Trackball
B. Mouse
C. Scanner
D. Microphone
Answer: A
10.
Which input device is most commonly used for voice recognition systems?
A. Microphone
B. Speaker
C. Monitor
D. Printer
Answer: A
11.
A device captures images and videos in real time for video conferencing. Which device is used?
A. Webcam
B. Plotter
C. Joystick
D. Scanner
Answer: A
12.
Which input device detects light from a screen to determine position on display?
A. Light Pen
B. Mouse
C. Scanner
D. Barcode Reader
Answer: A
13.
Which input device is primarily used in gaming consoles for directional control?
A. Joystick
B. Scanner
C. Microphone
D. Webcam
Answer: A
14.
A biometric device that identifies users based on physical characteristics is an example of:
A. Biometric Input Device
B. Output Device
C. Storage Device
D. Communication Device
Answer: A
15.
Which device scans fingerprints to authenticate users in smartphones or security systems?
A. Fingerprint Scanner
B. Barcode Reader
C. Webcam
D. Microphone
Answer: A
16.
Which input device converts analog sound signals into digital data for processing by a computer?
A. Microphone
B. Speaker
C. Printer
D. Monitor
Answer: A
17.
Which device reads magnetic ink characters printed on bank cheques?
A. MICR Reader
B. OCR Scanner
C. Barcode Reader
D. Light Pen
Answer: A
18.
Which input technology is commonly used in touchscreens to detect finger pressure or electrical signals?
A. Capacitive Touch Technology
B. Laser Printing Technology
C. Magnetic Storage Technology
D. Optical Disk Technology
Answer: A
19.
Which device allows users to input commands using hand gestures without physical contact with the computer?
A. Gesture Recognition Device
B. Trackball
C. Scanner
D. Keyboard
Answer: A
20.
Which statement best describes the function of input devices in a computer system?
A. They convert user actions into digital signals for processing
B. They display processed results to users
C. They store files permanently
D. They increase processor speed
Answer: A