Input Devices Quiz

Study Notes

Overview of Input Devices: Keyboard, Mouse, Joystick, Light Pen, Track Ball, Scanner, Digitizer, Graphic Tablet, Microphone, Magnetic Ink Card Reader, Optical Character Reader, Bar Code Reader, Optical Mark Reader

Keyboard is the most popular input device used to input data into a computer.
Keyboard layouts can have 84, 101/102, 104, or 108 keys, including typing keys, numeric keypad, function keys, control keys, and special purpose keys.
Mouse is a cursor-control device that has two buttons and a wheel for controlling the position of the cursor on the screen.
Joystick is a pointing device used to move the cursor position on a monitor screen, mainly used in CAD and computer games.
Light pen is a pointing device similar to a pen used to select a displayed menu item or draw pictures on the monitor screen.
Track ball is an input device mostly used in notebooks or laptops, which requires less space than a mouse.
Scanner is an input device used to capture images from a source and convert them into a digital form that can be stored on a disk.
Digitizer is an input device that converts analog information into digital form, used for fine works of drawing and image manipulation applications.
Graphic tablet, also known as a digitizer, is used to convert graphics and pictorial data into binary inputs.
Microphone is an input device used to input sound into a computer in digital form.
Magnetic Ink Card Reader (MICR) and Optical Character Reader (OCR) are input devices used to read characters and symbols on a document.
Bar Code Reader and Optical Mark Reader (OMR) are input devices used to read barcodes and marks on a document, respectively.

Keyboard is the most popular input device used to input data into a computer.
Keyboard layouts can have 84, 101/102, 104, or 108 keys, including typing keys, numeric keypad, function keys, control keys, and special purpose keys.
Mouse is a cursor-control device that has two buttons and a wheel for controlling the position of the cursor on the screen.
Joystick is a pointing device used to move the cursor position on a monitor screen, mainly used in CAD and computer games.
Light pen is a pointing device similar to a pen used to select a displayed menu item or draw pictures on the monitor screen.
Track ball is an input device mostly used in notebooks or laptops, which requires less space than a mouse.
Scanner is an input device used to capture images from a source and convert them into a digital form that can be stored on a disk.
Digitizer is an input device that converts analog information into digital form, used for fine works of drawing and image manipulation applications.
Graphic tablet, also known as a digitizer, is used to convert graphics and pictorial data into binary inputs.
Microphone is an input device used to input sound into a computer in digital form.
Magnetic Ink Card Reader (MICR) and Optical Character Reader (OCR) are input devices used to read characters and symbols on a document.
Bar Code Reader and Optical Mark Reader (OMR) are input devices used to read barcodes and marks on a document, respectively.