Correct Answer : Option (A) - machine
Machine language is programming language were used in first generation computers.
A first generation (programming) language (1GL) is a grouping of programming languages that are machine level languages used to program first-generation computers. ... Modern tools such as native-code compilers are used to produce machine level from a higher-level language.
Assembly languages are specific to computer and CPU. The term is used in the distinction between Machine Languages (1GL) and higher-level programming languages (3GL, 4GL, etc.)