what is Error and its Types ?
Answers
What is error - :
An error is something you have done which is considered to be incorrect or wrong, or which should not have been done.
Type of error - :
There are three types of error: syntax errors, logical errors and run-time errors. (Logical errors are also called semantic errors). We discussed syntax errors in our note on data type errors.
Generally errors are classified into three types: systematic errors, random errors and blunders. Gross errors are caused by mistake in using instruments or meters, calculating measurement and recording data results.
Difference between true value and measured value of physical quantity is called error
Instrumental error - This error arise due to use of faulty instrument
Systematic error - This error arise due to definite cause and takes place according to some rule
Random error - This error are random and occur irregularly it can be due to changes in the ambient condition like temperature , pressure etc
Personal error - This error arise due to limitation of the human senses , carelessness etc