Chapter 2: Computer Hardware

What is the main responsibility of the Central Processing Unit (CPU)?

• Converting input into meaningful output

• Storing data permanently

• Displaying text and graphics

• Capturing full-motion images

Which input device is designed to speed up typing by evening out the spacing between the hands on the keyboard?

• Mouse

• Keyboard

• Touchpad

• Pen Input

What type of device enables users to select text, graphics, and other objects via visual indicator representations?

• Keyboard

• Touch Screen

• Pointing Device

• Game Controller

What is the purpose of a touch screen input device?

• To capture video and still images

• To provide a touch-sensitive display

• To read characters and codes

• To guide on-screen elements using air gestures

Which input device uses a stylus or digital pen to write, draw, or make selections on a flat surface?

• Touch Screen

• Motion Input

• Pen Input

• Voice and Audio Input

What is the process of entering input by speaking into a microphone called?

• Pen Input

• Voice Input

• Video Input

• Motion Input

Which input device reads printed text and graphics and translates the results into a form the computer can process?

• RFID

• Optical Scanner

• Magstripe Reader

• Bar Code Reader

What is the purpose of a display device as an output device?

• To guide on-screen elements using air gestures

• To capture video and still images

• To read characters and codes

• To convey text, graphics, and video information

Which output device forms characters and graphics by spraying tiny drops of liquid ink onto a piece of paper?

• Speakers

• Headphones

• Projector

• Printer

What is the purpose of a memory card as a secondary storage device?

• To store data on the Internet

• To store data permanently

• To store data magnetically

• To store data temporarily