What are types of optical input devices?
Three examples of optical input devices are:
- barcode reader.
- image scanner.
- light pen.
What are the 7 types of inputs?
Top 7 Types of Input Devices Used with a Computer
- Type # 1. Key – Board:
- Type # 2. Punched Card:
- Type # 3. Magnetic Tape:
- Type # 4. Cassette Tapes:
- Type # 5. Magnetic Disk:
- Type # 6. Floppy Disk:
- Type # 7. Input Devices of Specialised Forms:
What are the three types of optical readers?
Optical Mark Reading (OMR) Optical Character Recognition (OCR) Intelligent Character Recognition (ICR)
What are 3 types of input devices?
Input is data put into a computer for processing. Input devices are broken down into 3 categories: keyboards, pointing devices, and Data-Entry devices.
What are optical devices in computer?
An optical disc drive is a device in a computer that can read CD-ROMs or other optical discs, such as DVDs and Blu-ray discs. Optical storage differs from other data storage techniques that make use of other technologies such as magnetism, such as floppy disks and hard disks, or semiconductors, such as flash memory.
What are the different types of scanners?
There are three types of scanners available: drum scanner, flatbed, and handheld scanners. The publishing industry primarily uses drum scanners to print high-quality images, while flatbed scanners are generally used in schools and offices. On the other hand, libraries and shopping malls make use of handheld scanners.
What are the 20 input devices?
Answer:
- keyboard.
- mouse.
- scanner.
- joy stick.
- track ball.
- light pen.
- touch screen.
- microphone.
What are the 10 input devices?
Computer – Input Devices
- Keyboard.
- Mouse.
- Joy Stick.
- Light pen.
- Track Ball.
- Scanner.
- Graphic Tablet.
- Microphone.
What are the different types of optical storage device available How is data stored in them?
Six categories of optical media are available to meet most storage requirements: CD-ROM, DVD-ROM, DVD-RAM, recordable media, write-once read-many (WORM) optical cartridges, and erasable optical cartridges. CD-ROM is a read-only format that is optimized for read performance.
Is light pen an optical input device?
The tip of a light pen is moved over a monitor screen. Also, the light pen is an optical input device. This device is designed to point at and shoot at targets on the screen in an arcade or a video game.
What are the 4 types of input?
Keyboard. Keyboard is the most common and very popular input device which helps to input data to the computer.
What are input devices 5 examples?
Examples of input devices include keyboards, mouse, scanners, cameras, joysticks, and microphones.