In the computer world, a bug is an error in software. It may reason a program to without warning stop or behave in an unintended manner. A very dangerous bug may cause the program to hang or crash reason of an infinite calculation or memory leak.

A few are caused by compilers producing incorrect code. A program that contains a large number of bugs, and/or bugs that seriously interfere with its functionality, is said to be buggy (defective).

These errors can often be fixed using a development tool by applying it named a debugger. They released to public easily for example commercial software mostly goes through a beta phase, where multiple users systematically test all aspects of the program to make sure it functions correctly.

Once the program is resolute to be stable and free from errors, it is released the public.

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Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a Scottish-born scientist, inventor, engineer, and innovator who is credited with patenting the first practical telephone.