6 Questions
Which input device is mainly used in CAD and computer games?
Joystick
Which input device is used to capture images from a source and convert them into a digital form that can be stored on a disk?
Scanner
Which input device is used to read characters and symbols on a document, and is commonly used in banking applications?
Magnetic Ink Card Reader
What are the different types of keys found on a keyboard and their functions?
Typing keys are used for typing letters and characters, numeric keypad is used for numerical input, function keys are used for shortcuts and quick access to certain commands, control keys are used for special operations like copy-paste, and special purpose keys are used for specific functions like power, sleep, volume control, etc.
What is the difference between a graphic tablet and a digitizer?
A graphic tablet is used to create digital artwork and graphics, while a digitizer is used to convert analog information into digital form, mainly for fine works of drawing and image manipulation applications.
What is the advantage of using a trackball over a mouse?
A trackball requires less space than a mouse and can be used in a smaller area, making it a suitable input device for notebooks and laptops.
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.
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.
Test your knowledge on the various input devices used to input data into a computer with this quiz. From the popular keyboard to the lesser-known light pen and track ball, this quiz covers it all. Learn about the features and uses of each device, including their layouts, buttons, and wheels. Challenge yourself with questions on digitizers, graphic tablets, microphones, and more. Don't miss out on this informative and engaging quiz that will enhance your understanding of input devices.
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