Fan A device flow air and provide cooling which comfortable for body that is Fan, fan can be operate by electricity and hand operate that is...

  Television Television (TV) is a medium of communication that transmits audio and video content to viewers. It is a device that receives br...

  History of Keyboard: The history of the keyboard dates back to the 19th century when the first typewriter was invented by Christopher Lath...

  Definition of Laptop A portable computer made for use on the go is a laptop, also referred to as a notebook computer. It typically has a s...

Definition of Mobile. Mobile is a wireless device which is portable a parson can carry. User can communicate each other with the help of thi...

                                                                                             Country            A  country  is one of the po...