Tuesday, 8 July 2014

COMPUTER SCIENCE



HISTORY OF COMPUTER
GENERATION OF COMPUTER 

Computer word is derived from “Computing”. As the start of the modern science that we call "Computer Science" can be traced back to a long ago age where man still dwelled in caves or in the forest, and lived in groups for protection and survival from........continue Reading
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APPLICATION SOFTWARE
  DEFINATION:
“Application software consists of programs designed to perform specific tasks for users”.
 Application software can be used as a productivity/business tool; to assist with graphics and multimedia projects; to support home, personal, and educational activities CONTINUE READING
 
 
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What is Computer?/WHAT IS INFORMATION / WHAT IS DATA

DEFINITION NO 1:
Computer is an electronic device which takes some input, process it, and produce output.
DEFINITION NO 2:
Electronic machine operating under the control of instructions stored in its own memory
·         Accepts data
·         Manipulates data
·         Produces results
·         Stores results

PARTS OF COMPUTER:
According to above definition we can divide computer functionality in to three main parts
·         Input
·         Output
·         Process
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 SOFTWARE AND PROGRAMING LANGUAGES / SYSTEM SOFTWARE / APPLICATION SOFTWARE

  DEFINITION:
·         “A piece of software is a computer program which has been written to carry out a particular task.”
·         “A set of instruction to solve a particular problem”
   Without software the hardware that is used to build a computer system would not be very useful. A software program contains the instructions that the computer must follow to carry out the task. Sometimes more than one program is required to complete a task. When this is the case the group of programs which together complete the task are known continue reading
 
 
TYPES OF COMPUTER
     The computer sitting on the desk in your classroom is a microcomputer. It is a small, powerful piece of equipment. Even so, the power of the microcomputer is not enough for most large organizations. The computer industry consists of more than just microcomputers.
Any classification of computers is somewhat arbitrary. Computer can be classified it to following basis
 








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