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QR Challenge: Computer Input and Output Quiz

QuestionAnswer
1.Brain of the computer that performs instructions defined by software.CPU
2.A display device that forms an image by converting electrical signals from the computer into points of colored light on the screen.Monitor
3.Storage device that stores digitally encoded data on rapidly rotating rigid disks with magnetic surfaces. The device is either permanently installed within the computer case or can be portable.Hard Drive
4.Printed circuit board on which the CPU, RAM chips and other electronic circuit elements of a digital computer are frequently located.Motherboard
5.Random Access Memory - temporary place to store material that works quickly. erased when computer turns off. Volatile.RAM
6.The most common keyboard arrangement, named for the first letters across the top row.QWERTY
7.A hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad.Mouse
8.A cable that connects portable media (usually) or other hardware directly to computer.USB
9.An input device, output device, or secondary storage device that is not part of the central processing unit (CPU).Peripherals
10.A hardware device used to make a paper copy of what is created on the computer.Printer
11.A device that converts printed documents into digital file formats.Scanner
12.An output device that allows you to hear voice, music, and other sounds from your computer.Speakers
13.An optical instrument that projects an enlarged image onto a screen.Projector
14.Any list of instructions for computer to follow that is stored in the computer's memory.Software
15.(computer science) software that controls the execution of computer programs and may provide various services.Operating System
16. Online tool for storing and sharing documents including slides, spreadsheets, and compositions.Google Docs
17.set of programs that are clouded that allow you to do different tasks on the internet.Google Apps
18.A portable computer that uses a touchscreen as its primary input device. Most tablets are slightly small and weigh less than the average laptop. Most are touchscreen.Tablet
19.Small general-purpose computers that can generally fit into the palm of your hand.Mobile Device
20.A pointed tool for writing or drawing or engraving.Stylus

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