Abbreviation for (International Buiseness Mahcines) multinational company,the best known and for many years the latgest manufcturer of computers in the Machne company formd 1896 by Us inventor Hemon Hollierith to expolit his punched card machines It adopted it present name 1924.
Icon: A small picture on the computer screen or VDU,representing an object or function that hte user may manipulte or otherwise use it is a feature of graphical user inter face (GUI) systems.Icons make computers easier to use by allowing the user to point to and clicj with the mouse on pictures,rather than type commands
Immidiate access memmory:Memmory provided in the central processing unit to store the programs and data in current use .
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