Useful for Grade IX Computer Fundamental Computer Engineering
1.1 Introduction to Computer Key Terms to remember Computer: an electronic machine that takes input from the user and stores processes it to generate the output in the form of useful information to the user. Data: the raw details that need to be processed to generate some useful information. Program: the set of instructions that can be executed by the computer in sequential or non-sequential manner. Information: Processed data useful for the user. CPU: the processor of the computer that is responsible for controlling and executing instructions. Monitor: A screen, which displays the information in the visual form, after receiving the video signals from the computer. Transistor: A semiconductor device that is used to increase the power of the incoming signals by preserving the shape of the original signal. Microprocessor: An integrated circuit that contains the entire central processing unit of a computer on a single chip. Vacuum Tube: An electron tube from which all o...