Program written in any High Level Language is known as

The correct answer is (c), source program.

A source program is a program written in a high-level language. It is not yet executable, but it can be compiled or interpreted into an executable program.

An executable program is a program that can be run directly by the computer. It is usually in the form of an .exe file.

An object program is a program that has been compiled from a source program. It is not yet executable, but it can be linked with other object programs to form an executable program.

A .exe file is a type of executable file. It is a binary file that contains machine code that can be executed by the computer.