Your SlideShare is downloading. ×
0
Input Devices - by Anil kumar
Input Devices - by Anil kumar
Input Devices - by Anil kumar
Input Devices - by Anil kumar
Input Devices - by Anil kumar
Input Devices - by Anil kumar
Input Devices - by Anil kumar
Input Devices - by Anil kumar
Input Devices - by Anil kumar
Input Devices - by Anil kumar
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Input Devices - by Anil kumar

3,828

Published on

Published in: Technology, Business
0 Comments
1 Like
Statistics
Notes
  • Be the first to comment

No Downloads
Views
Total Views
3,828
On Slideshare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
94
Comments
0
Likes
1
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. SAVICOMPUTERSCIENCECLUB
    GOVERNMENT SCIENCE COLLEGE
    NRUPATUNGA ROAD,
    BANGALORE - 560001
  • 2. INPUT DEVICES OFCOMPUTER
  • 3. Some of the input devices are:-
    Keyboard
    Mouse
    Scanner
    Joystick
    Webcam
    Microphone
    OCR- Optical Character Reader
    MICR- Magnetic Ink Character Reader
  • 4. keyboard
    The most commonly used input device is Keyboard.
    Key board is invented by Mr.Sholes.
    Normal keyboard contains 101 to 108 keys.
    Multimedia keyboard has 124 keys.
    Keyboard is logically divided into 3 parts.
    Alphanumeric keys.
    Special keys.
    Functional keys.
  • 5. mouse
    Mouse is also called as Pointing device.
    Mouse is invented by Douglas Engelbert at the Stanford Research Institute.
    Mouse consists of 3 buttons.
    Left button
    Right button &
    Scroller
    There are two types of mouse.
    Optical mouse &
    Roller mouse
  • 6. scanner
    Scanner is also an input device which is used to scan the document & edit the same.
    Uses
    Scanner is a device which is used in nuclear radiation , magnetic fields, sound waves or light to examine interior or exterior surfaces or tissues..
  • 7. Webcam
    Webcam was first developed in CambridgeUniversity, Computer Science Department in1991.
    A webcam is a video camera which feeds its images in real time to a computer or computer network, often via USB, ethernet or Wi-Fi.
    Their most popular use is the establishment of video links, permitting computers to act as videophones or video conference stations.
    Other popular uses include security surveillance & computer vision.
  • 8. microphone
    In 1876, Emile Berliner invented the first microphone used as a telephone voice transmitter.
    Microphones are used in many applications such as
    Telephones
    Tape recorders
    Hearing aids
    Speech recognition
    Motion pictures production
    Live & recorded audio engineering
    In computers for recording voice
    Megaphones
    In radio & television broadcasting
  • 9. Joystick
    Joystick is also an input device.
    It is similar to controlling device in airplane.
    It is used to play games.
  • 10. Thank you

×