tag: Input Devices

• 2009.08.23Sajjad Heder

  Video Camera and Scanner

  Video cameras are versatile derives, being able to capture images of any type, including solid objects. Scanners are limited...

• 2009.08.21Sajjad Heder

  What is a Character-recognition Device?

  One type of character-recognition device enables the user to input text and numerical data by handwriting it in capital letters...

• 2009.07.21Sajjad Heder

  What is a Computer Microphone?

  It is quite easy to convert the spoken word to a digital signal for computer input. The microphone converts audio signals...

• 2009.07.21Sajjad Heder

  What is a Computer Mouse?

  The mouse is a hand-held device with optical laser protruding from its base. As you push the mouse over the surface of the...

• 2009.07.21Sajjad Heder

  What is a Computer Keyboard?

  The keyboard is still the primary device for inputting information to a computer, though voice input devices may ultimately...

• 2009.07.21Sajjad Heder

  Input and Output Devices

  Before a computer can get to work solving a problem, it must be given the program and the data if there is any. After it...