An ...... program is one that is ready to run and does not need to be altered in anyway :

Ainterpreter

Bhighlevel

Ccompiler

Dexecutable

Answer:

An executable program is one that is ready to run and does not need to be altered in any way.
It is a compiled program that has been translated into machine code and can be executed directly by the computer's processor.
An interpreter is a program that directly executes instructions written in a programming language, without compiling them into a machine code first.
A high-level program is a program written in a high-level programming language
A compiler is a program that translates source code written in a high-level programming language into machine code that can be executed directly by a computer's processor.

Challenger App