Chapter No.1 - Fundamentals of Computer Sciences
What is Computer? The Word Computer comes from the word “ compute ” which, means to calculate. But now a day, computers are also being used for many other purposes else Calculating. Thus the computer can be defined as: “It is an electronic device which accept instructions in the form of input and after processing it gives us Information in the form of output.” COMPONENTS OF COMPUTER Basically, a computer consists of four components. Hardware: The physical or tangible parts of computer called hardware. Like Monitor, Keyboard, CPU, Mouse etc. Software: The set of instructions, that tells the computer, what to do and how to do. Data: A collection of raw facts and figures is called data, which can include text, numbers, images, audios etc. User: Computer cannot do anything without its operator. Information The processes form of data is called information. Information Processing Cycle (IPC) The series of tasks that convert data into information. Brief History of...