Software

Software is a set of instruction/command executed by computer machine to run that computer. Software use machine language to command the

computer and use human language to interact with brainware (human).

Kind of Software
- Operating system: software to operate other software
- Compiler: software to make other software
- Application program

- Decision support system: software that help human to make a decision, but the decision not always same as the result from software

- Artificial intelligent: software that act like 'smart' machine

- Expert system: software that store the knowledge of expert, that so human can consult with this sotware just like with expert one

- Simulator: simulation of real world

- etc

GUI (Graphical User Interface) vs CLI (Command Line Instruction)

- GUI use pointer

- GUI more resource (for graphic)

- GUI more slower

- GUI more user friendly

- GUI not need much memorize

- GUI less flexible on command

Making a software

To make a software we must know something like:

- programming language: machine language (lower level), assembly language or high level language

- source code

- logical

- looping

- algorithm or we can use a flowchart

Software copyright

- License: license not the same as original cd and license depend of the agreement, like: 1 license for  1 computer, 1 license for 1 client,

etc. People must pay for a license.

- Freeware: software distributed without a license and free to use.

- Open source: people can look for the code, then they can modify or tell the author about bug fixed. People can support with a donation.

- Shareware: software that free install but with some limitation. Limited by time or limited by function.