Theme: Basic terms in it


Light Pen: Light pen has the feature to work directly on the screen. Liquid crystal displays (LCD)



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Basic terms in IT.

Light Pen: Light pen has the feature to work directly on the screen.

  • Liquid crystal displays (LCD): These use tiny crystals which, when a charge is applied across them, polarize the light passing through them.

  • Local area networks (LAN): Local area network is restricted to a particular small geographical area covering an area of a single building or other few nearby buildings for data communication.

  • Logic Diagram: A Boolean function can be transformed from an algebraic expression into a logic diagram composed of AND, OR and NOT gates.

  • Magnetic Disk: Magnetic disk stores the binary data on a disk or tape coated with a material that can be magnetized differently, depending on whether a o or 1 is stored Bits of data 0’s and 1;s are stored on circular magnetic platters called disks.

  • Memory Unit: A memory is defined as the computer’s workspace where data and programs for immediate processing are held. Computer memory is contained on memory chips that are mounted on the motherboard.

  • Mesh Topology: In mesh topology, there exists a straight path between any two modes of a network. These straight paths are also called point-to-point or P to P connection.

  • Metropolitan Area network (MAN): Metropolitan area network constitutes a geographical area which is greater as compared to that of LAN. In general, MAN is designed to extend over an entire city.

  • Microphone: It is an important input device which is used to enter the input in the form of voice rather than using keyboard and mouse.

  • Mobile Ad Hoc Network (MANET): A mobile adhoc network is a wireless network that uses multi-hop peer-to-peer routing instead of static network infrastructure to provide network connectivity. Ad-hoc networks are the best candidates to offer, with all the challenges it implies, mobility and location-independent multimedia communications.


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