CSC 1253 Chapter : Parts Of Chapter 1
Document Summary
Section 1. 1: why program: computers can do many different jobs because they are programmable, a program is a set of instructions that a computer follows to perform a task. Microsoft word and powerpoint: programs are commonly referred to as software. Section 1. 2: computer systems: hardware and software: all computer systems consist of similar hardware devices and software components, hardware refers to the physical components that a computer is made of. The cpu is the most important component in a computer because without it, the computer could not run software: cpus were huge devices that weighed tons in the earliest computers. They were made of electrical and mechanical components such as vacuum tubes and switches. Today, cpus are small chips, known as microprocessors, that can be held in the palm of your hand: the cpu"s job is to fetch instructions, follow the instructions, and produce some result.
