A computer program that converts an entire program into machine language at one time is called a/an

interpreter
simulator
compiler
commander E. None of the above

The correct answer is C. compiler.

A compiler is a computer program that translates code written in a high-level programming language into machine code, which is a set of instructions that a computer’s processor can understand and execute.

An interpreter is a computer program that reads and executes instructions written in a high-level programming language one at a time.

A simulator is a computer program that creates a model of a real-world system.

A commander is a person who gives orders to others.

E is not a valid option.