Input Devices Quiz

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.

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.