assembler vs computer program

assembler and computer program both are nouns.

Word	Noun	Adjective	Verb	Adverb
assembler	Yes	No	No	No
computer program	Yes	No	No	No

As nouns, computer program is a hypernym of assembler; that is, computer program is a word with a broader meaning than assembler:

assembler: a program to convert assembly language into machine language
computer program: (computer science) a sequence of instructions that a computer can interpret and execute

Other hypernyms of assembler include computer programme, program, programme.

assembler (noun)	computer program (noun)
a program to convert assembly language into machine language	(computer science) a sequence of instructions that a computer can interpret and execute