Information Technology Hardware Quiz

Which hardware component allows the user to enter data and instructions into a computer?

• Webcam

• Keyboard

• Microphone

• Mouse

What is the function of a CRT (Cathode Ray Tube) in a computer system?

• Converts electromagnetic waves into sound waves

• Utilizes laser technology to print images on paper

• Creates physical objects from digital models

• Displays information on a screen

Which storage device is non-volatile and holds data until it is deleted or overwritten?

• USB flash drive

• Magnetic tape

• CD-ROM

• RAM

What is the purpose of a barcode scanner in a computer system?

• To convert audio input into digital data

• To convert image of letters or typed text into data the computer understands

• To scan or read a barcode symbol and provide an electrical output to a computer

• To create physical objects from digital models

Which component of a computer system converts mains AC to low-voltage regulated DC power for internal components?

• Drives

• Fan

• Motherboard

• Power supply unit

What is the function of a touch-sensitive screen in a computer system?

• Converts electromagnetic waves into sound waves

• Displays information on a screen

• Utilizes laser technology to print images on paper

• Allows the user to interact with a computer using their finger or stylus

Which type of printer utilizes quick-drying ink sprayed on paper to print images?

• 3D printer

• Inkjet printer

• Laser printer

• Multifunction printer

What is the function of a microphone in a computer system?

• Records and retrieves items to and from storage media

• Enables computer to send and receive data to and from other devices

• Allows user to enter data and instructions into a computer

• Allows computer users to input audio into their computers

Which component of a computer system is used to temporarily store files in use on the computer?

• Hard disk

• RAM

• ROM

• Cache memory

What is the function of a laser printer in a computer system?

• Displays information on a screen

• Utilizes laser technology to print images on paper

• Creates physical objects from digital models

• Converts image of letters or typed text into data the computer understands