Specifications - technical details about the components such as speed or capacity. Or a 56kbps modem. Software -consists of programs which do a particular task. A program is a list of instructions which instructs the computer hardware what to do . The hardware and software combined, process the data you input and then outputs the resulting data.
Data can be words, numbers, graphics, sounds, or movies.
They are referred to as IBM PCs, IBM Clones, or simply PCs. The MacIntosh microcomputer is another platform some people prefer. These use a type of Unix operating system. Micros -Largest sales 1. Dell, Micron, Gateway, IBM , and Compaq.