Input Devices Flashcards
What is a microphone?
An input device to input sound that is then stored in a digital form.
What is the primary use of a Magnetic Ink Card Reader (MICR)?
Used in banks to process cheques with machine-readable ink.
What does MICR stand for?
Magnetic Ink Character Recognition.
List some types of keyboards.
- Mechanical Keyboards
- Ergonomic Keyboards
- Gaming Keyboards
- Wireless Keyboards
- Virtual Keyboards
- Foldable Keyboards
What are some advantages of the QWERTY keyboard?
- Ergonomic Designs
- Ease To Use
- Familiarity and Standardization
- Compatibility with Modern Devices
- Typing Efficiency
- Cost-Effective
What is the significance of the QWERTY keyboard?
Due to its typing familiarity, standardization, and widespread support.
What is a keyboard?
The most common input device that helps to input data to the computer.
What is the typical layout size of keyboards?
84 keys, 101/102 keys, 104 keys, or 108 keys.
What is a mouse?
The most popular pointing device used to control the cursor on a screen.
List the common types of mouse.
- Optical Mouse
- Trackball Mouse
- Wireless Mouse
- Wired Mouse
- Gaming Mouse
What is a joystick?
A pointing device used to move the cursor position on a monitor screen.
What does a digitizer do?
Converts analog information into digital form.
What is the function of a scanner?
Captures images from a source and converts them into a digital form.
What is a trackball?
An input device used instead of a mouse, controlled by moving fingers on a ball.
What is a light pen?
A pointing device used to select menu items or draw on the monitor screen.
What does OCR stand for?
Optical Character Reader.
What is the purpose of an Optical Character Reader (OCR)?
Reads printed text and converts it into machine-readable code.
What is the function of a Bar Code Reader?
Reads bar coded data and converts it into an alphanumeric value.
What does OMR stand for?
Optical Mark Reader.
What is the use of an Optical Mark Reader (OMR)?
Recognizes marks made by pen or pencil, often used for multiple choice exams.
List some important input devices used in a computer.
- Keyboard
- Mouse
- Joystick
- Light pen
- Track Ball
- Scanner
- Graphic Tablet
- Microphone
- Magnetic Ink Card Reader (MICR)
- Optical Character Reader (OCR)
- Bar Code Reader
- Optical Mark Reader (OMR)
What is the definition of input devices?
Devices used to give input to the computer system.
True or False: Input devices convert raw data into a computer-understandable form.
True
