(a) Define programming language.
(b) Write the 5 following mathematical expressions in BASIC notation:
(i) x (w + y)\(^2\) (ii) ab/cd (ii) p = 2 (1+b).
(c) Write a simple BASIC program to calculate the area (A) of a rectangle with length (l) and breath (b).
(d) List two levels of programming language.
(a) A programming language is a formal language for communicating with a computer without the ambiguity Of human language.
A programming language has to be executed by a computer or design of the language degenerates in a futile intellectual exercise.
(b) (i) x(w +y)\(^2\) = x * (W+ Y)^2
(ii) ab/cd = A * B/C * D
(ii) P= 2(l + b) = P =2 * (L + B)
(C) 10 REM CALCULATE AREA OF A RECTANGLE
20 INPUT LENGTH", L
30 INPUT BREADTH", B
40 LET A= L * B
50 PRINT "AREA", A
60 END
(d) Low level language e.g machine language and Assembly language. - High level language eg Algebraic formula Type processing and String and list process ing.
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