Theme: Basic terms in it

Dot-Matrix Printer: It has a print head that travels across the paper. The head has a set of pins which are pushed out to form the shape of each character. The pins hit an ink ribbon against the paper as the print head moves along.

Electronic Numerical Integrator and Calculator (ENIAC): It was the first electronic computer designed in 1946.

Ergonomic: This keyboard is constructed in such a manner so that the keyboard is divided into two parts. One half fits the right hand and the other half fits the left hand.

Floppy Disk: Floppy disks are useful for transferring data between computers and for keeping a back-up of small files.

Frequency: Frequency is simply the rate of change with time, Typically, It is defined as the number of cycles completed per unit of time.

Full Duplex: In full-duplex mode of communication, both the computers are able to act as sender and receiver at the same time.

Graphics Tablet: It is basically a flat pad on which we can write or draw by making use of a pressure sensitive stylus like a pen.

Half Duplex: In half-duplex mode of communication, the data can be sent by both the computer’s sender and receiver, but not simultaneously.

Hard Disk: The hard disk drive of the computer is where permanent information is stored. Documents, Databases, Spreadsheets, and programs are all stored on the hard disk.

Hardware: Hardware is defined as the physical, substantial and touchable components of the computer.

Ink-Jet Printers: Inkjet printers constitute the print head which contains tiny nozzles through which different colored inks can be sprayed onto the paper to form the characters or the graphic images.

Internet Activities Board (IAB): The various architectural issues related to Internet are handled by Internet Activities Board.