Algorithm- A form of solving a problem with a set of steps that you have to follow. The steps must be certain and accurate as well as having a clear stopping point. E.g. making a cake where you follow the procedure
Pseudocode-A computer program that needs to be converted to a code so that the computer can understand it before it can be used. It does this by using certain steps and stopping points(algorithm)
Machine language-A code that is built into the hardware of a computer. It is a system of instructions or data that the CPU performs and there is no need for translating it before using it.
High level computer language- It is more resourceful and capable of doing more things than the machine language, hence the high. They are considered high level becuase they are closer to human languages and further from machine. It is a type of computer programming language that isn't limited by the type of computer or the one specific job that needs to be done. It is more easily understood.
Flow chart- Also called a flow sheet that is a detailed diagram or chart of the operations through which material passes.
The beginning and ending or terminator symbols of a flowchart are lozenges, ovals or rounded rectangles. They normally have some sort of indication inside it telling you it's the start or the end.
Decisions are questions or branches in the process. They are represented as a diamond.
The process symbol is a rectangle. it is an operation action or step.

This is a flow chart of how an air conditioner works. It's not perfect because it doesn't have an end but it's pretty good.

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