Popular Posts

  • How data is organized on a magnetic disk?
             Before the computer can use a magnetic disk to store data,the disk's surface must be magnetically mapped so that the computer ...
  • The factors upon which the electric flux depends
    Electric flux depends upon the following factors, 1.Magnitude of electric intensity 2.area of surface 3.orientation of the area
  • How data is stored on a disk ?
            You may remember from science projects that one magnet can be used to make another.For example you can make a magnet by taking an i...
  • Discovery of Oersted
    The fact that the electric current through a conductor produces magnetic field around it was discovered by Oersted
  • keyboard
    The keyboard may look like a typewriter keypad to which some special keys have been added. The keys normally available on the keyboards are...
  • Definition of Farad
    Farad is the unit of capacitance.The capacitance of a capacitor is one farad if a  cahrge of one coulomb given to one of the plates of a p...
  • Mutual induction
    The process in which a change of current in one coil causes an induced emf in another coil nearby it is called mutual induction
  • Valence band
    A band occupied by valence electrons is called as valence band. It is either completely filled or partially filled. It lies below the condu...
  • Reactance
    The opposition offered by a capacitor to the flow of charge through it is called its reactance
  • Avometer
    An avometer is an electric device which can be used for the measurement of 1.current in the circuit 2.potential difference between any t...

Thursday, 23 January 2014

Speakers

   SPEAKERS

v Speakers are popular output devices used with computer systems. They receive audio input from the computer's sound card and produce audio output in the form of sound waves.

Posted by at

No comments:

Post a Comment

Subscribe to: Post Comments (Atom)