Digital Devices and Input Methods Quiz

Digital camera, Keyboard, Mouse, Smartphones, Microphone, Touchscreen, Cash machines

Actuators are devices used with a motor to convert energy into physical movement. They are used for various functions, such as turning wheels.

Monitor/screen

<p>Input devices, central processing unit, primary memory, secondary storage, output devices</p> Signup and view all the answers

<p>Keyboard, mouse, game controller, sensors, microphone, webcam</p> Signup and view all the answers

<p>The CPU processes data by executing instructions.</p> Signup and view all the answers

<p>A microprocessor is an integrated circuit on a single chip that performs arithmetic and logic operations.</p> Signup and view all the answers

<p>The diaphragm vibrates in response to sound waves, and these vibrations are converted into electrical signals by a coil of wire attached to the back of the diaphragm.</p> Signup and view all the answers

<p>An optical mouse uses a laser to detect and track movement. The microprocessor processes the laser input to move a virtual cursor on-screen.</p> Signup and view all the answers

<p>A QR code can represent over 7000 digits, while a barcode can represent up to 30 digits.</p> Signup and view all the answers