HIGH LEVEL LANGUAGES (H.L.L)
(a) Definition of High Level Language (H.L.L.)
(b) Examples of H.L.L. – BASIC, FORTRAN, ALGOL, C, PASCAL, PL/I, PROLOG, SNOBOL, COBOL.
(c) (i) BASIC, FORTRAN, ALGOL (Scientific) (ii) C, PASCAL, PL/I, (General purpose) (iii) LISP, PROLOG (Artificial intelligent (AI) (iv) SNOBOL Special purpose programming language (SPL)
(d) Interpreted Language (i) BASIC (ii) Compiled Language PASCAL, COBOL, C, FORTRAN.
(e) Features of BASIC, C, PASCAL, COBOL.
(f) Advantages of High Level Languages over Middle Level and Low Level Languages.
Definition of High Level Languages (H.L.L)
A high-level programming language is a programming language with strong abstraction from the details of the computer. In comparison to low-level programming languages, it may use natural language elements, be easier to use, or may automate (or even hide entirely) significant areas of computing systems (e.g. memory management), making the process of developing a program simpler and more understandable relative to a lower-level language. The amount of abstraction provided defines how “high-level” a programming language is. Examples of high-level programming languages include FOCUS, Lisp, Perl, Python, and SAS.
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