the computer capabilites we have to connsider are given below:
i)a computer can perform arithmetic operations.
ii)it can compare two things and,on the basis of the result of the comparisn ,choose among alternative courses of action.
iii)it can move data about in its memory
iv)the computer can also read data and output results.

a counter is a devise for keeping track of the number of times something occurs.

BASIC     :  Beginner's All-purpose Symbolic Instruction Code.
COBOL    : COmmon Business Oriented Language.
FORTRAN : FORmula TRANslator
RPG11     : Report Program Generator.

Violations of the rules of the particular programming language being used.

A set of instruction for performing a particular task that can be used by any program because the instructions reside in a library that is external to the using program.