Computer Hardware and Software Quiz

Which of the following is considered an input device?

• Keyboard

• Monitor

• Speaker

• Printer

Which device is considered both an input and an output device?

• Touchscreen

• Speaker

• Joystick

• Scanner

What type of device is a printer?

• Input

• Output

• Storage

• Network

Which of the following is a peripheral device?

• Mouse

• CPU

• RAM

• Motherboard

What is the primary purpose of a barcode scanner?

• Captures and interprets barcode data

• Prints barcodes

• Encrypts stored files

• Connects to the internet

Which interface is commonly used for connecting external hard drives?

• USB

• HDMI

• Ethernet

• VGA

What is the purpose of a KVM switch?

• Allows multiple computers to share a single keyboard, video display, and mouse

• Increases CPU speed

• Connects multiple printers

• Expands network range

Which device is commonly used for biometric authentication?

• Fingerprint scanner

• Speaker

• Optical mouse

• Headset

What does DPI (dots per inch) measure in a mouse?

• Sensitivity and accuracy of movement

• Battery life

• Connection speed

• Click response time

Which output device provides visual display?

• Monitor

• Keyboard

• Microphone

• Scanner