Software

Definition

The term is used to contrast with computer hardware, the physical objects (processor and related devices) that carry out the instructions.Software is any set of machine-readable instructions that directs a computer's processor to perform specific operations. Software is a general term. It can refer to all computer instructions in general, or to any specific set of computer instructions. 

Types of Softwares

• System software is computer software designed to operate the computer hardware, to provide basic functionality, and to provide a platform for running application software.
• Application software and scripts were historically defined as all the software that uses the computer system to perform useful work (or entertainment functions) beyond the basic operation of the computer itself. 
• Plugins and extensions are software that extends or modifies the functionality of another piece of software, and require that software be used in order to function;
• Embedded software resides as firmware within embedded systems, devices dedicated to a single use or a few uses such as cars and televisions.
• Microcode is a special, relatively obscure type of embedded software which tells the processor itself how to execute machine code, so it is actually a lower level than machine code.

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