Explanations at right side of mnemonics and symbolic addresses are called
Answer: D
Correct answer: programmers comment
The notes written beside the instructions are put there by the person writing the program and ignored by the assembler, which is why they are programmer's comments. Neither the compiler nor the assembler writes anything there.
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CPU is made up of two main components, and they are
Answer: D
Correct answer: Control unit and ALU
The CPU consists of the control unit, which directs operations, and the arithmetic logic unit, which performs them. Registers are storage inside it rather than one of the two functional halves, and main memory sits outside the CPU altogether.
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Values that are passed between program and its called subroutine are classified as
Answer: C
Correct answer: both (a) and (b)
The values are called arguments at the point of call and parameters in the subroutine's own definition, so both names apply to the same values seen from the two sides. Global values are shared rather than passed.
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Special character symbol '/' is used to indicate
Answer: C
Correct answer: directive
A directive is an instruction to the translator rather than to the machine, and a special symbol marks it as such so it is not read as ordinary code. The other three words are not terms used in programming.
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In COMAL language programs, procedures are usually executed by
Answer: A
Correct answer: EXEC statement
A COMAL procedure is called with EXEC name. PROC introduces the definition rather than invoking it, which is the distinction the question tests.
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One or more numbers which helps distinguish elements in array is classified as
Answer: A
Correct answer: subscript
A subscript is the index that picks out one element of an array: A(5) in one dimension, A(5,3) in two. The number of subscripts is the number of dimensions.
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Computer programming language which is based on problems solved is called
Answer: C
Correct answer: high level programming language
A high level language lets the programmer express the problem in the terms of the problem itself - formulas, records, names - rather than in the terms of the machine. That is what problem oriented means, and it is the standard description of high level languages.
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When is the job processed by the computer?
Answer: A
Correct answer: During execution time
A job is processed while it is executing - that is what execution means. Delay and down time are periods in which nothing is processed, and real time describes a class of system rather than a period.
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Program style and must be written in
Answer: D
Correct answer: all of the above
All three are aspects of the same requirement: a program is read and altered far more often than it is written, so it must be well structured, understandable to someone who did not write it, and easy to change without breaking.
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Function which is placed between FOR statements and other repeated statements is classified as
Answer: B
Correct answer: DO function
In a FOR loop the statements to be repeated are introduced by DO and run once for each value of the loop variable. GO and WHILE belong to other constructions.
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