Set of data whose items are organized together is classified as
Answer: A
Correct answer: data structure
A set of items organised together, so that the arrangement itself carries meaning, is a data structure: an array, a record, a list.
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In line "100 INPUT NUM" of a BASIC program, 'INPUT NUM' is
Answer: D
Correct answer: single instruction
INPUT NUM is one complete instruction - a command with its operand - so it is a single statement. The line number in front of it is not part of the instruction.
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When variable used in program is whole number, variable is stored as
Answer: A
Correct answer: integers
A variable that will only ever hold whole numbers is stored as an integer, which uses less space than a real and is exact.
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Statement in BASIC language 150 IF A1=A2 THEN ComparisonINR ="EQUAL" is an example of
Answer: A
Correct answer: if then statement
The statement has a condition after IF and one action after THEN, and no alternative branch, which is what makes it an if then rather than an if then else.
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Programming language which is used for scientific purposes and work is to be done in batches is
Answer: D
Correct answer: FORTRAN
FORTRAN was designed for numerical scientific work, and such work has traditionally been submitted as batch jobs rather than run interactively. LOGO, COMAL and Pascal are teaching languages.
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To made program more easier to understand, programmers can
Answer: C
Correct answer: both (a) and (b)
Meaningful variable names and comments serve the same end from two directions: the names make the code say what it is doing, and the comments say why.
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In line '300 IF NAMEINR ="***" THEN Average= Total Mark/N' of BASIC program, "***" is classified as
Answer: C
Correct answer: string constant
"***" is a fixed sequence of characters written into the program, so it is a string constant. NAMEINR, which is compared against it, is the string variable.
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In programming, programmers used comments to
Answer: D
Correct answer: all of the above
Comments serve all three purposes: recording what a variable holds, what a module does, and marking where one section of the program ends and the next begins.
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Programming language 'COMAL' stand for
Answer: D
Correct answer: common algorithmic language
COMAL is COMmon ALgorithmic Language, devised in Denmark to give BASIC the structure of Pascal.
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In line '200 IF NAMEINR ="***" THEN Average= Total Mark/N' of BASIC program, NAMEINR is classified as
Answer: B
Correct answer: string variable
NAMEINR holds whatever name has been read, so its value changes as the program runs. That makes it a string variable, as against the fixed "***" it is compared with.
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