Computer software and Computer code

Computer software noun - (computer science) written programs or procedures or rules and associated documentation pertaining to the operation of a computer system and that are stored in read/write memory.

Computer code and computer software are semantically related. In some cases you can use "Computer code" instead a noun phrase "Computer software".

Computer code noun - (computer science) the symbolic arrangement of data or instructions in a computer program or the set of such instructions.

Computer software and computer code are semantically related. Sometimes you can replace phrase "Computer software" with "Computer code", this phrases are similar.