Era of Technology   Programming and computer :   About computer:   The word computer comes from the word “ compute ”, which means to calculate.   A computer is an electronic device that can perform arithmetic operations at high   speed and it can process data, pictures, sound and graphics.   It can solve highly complicated problems quickly and accurately.   Parts of Computer:   Computer divided into two parts:   1.software   2.hardware   Software:   A set of instructions in a logical order to perform a meaningful task is called program and a set of programs is called software. It tells the hardware how to perform a task.    Types of software   System software:     It is designed to operat e the computer hardware efficiently. Provide s and maintain s a platform for running application software.     Examples: Windows, Linux, Unix etc.   Categories of System So...