Answer the following statements true (T) or false (F)
1. A programmer indicates a job’s class by coding a CLASS parameter on an OS/JCL JOB statement.
2. A keyword parameter derives its meaning from its relative position.
3. Keyword parameters must be coded in a prescribed order.
4. On some batch systems, a job’s priority is determined, in part, by the amount of space it
requires.
5. The OS/JCL MSGLEVEL (message level) parameter allows the programmer to select
which JCL and device allocation messages are to be printed.
1. T
2. F
3. F
4. T
5. T
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The command to copy the file called Xfile to Zfile is
a: cp Xfile , Zfile b: copy Xfile Zfile c: cp Xfile Zfile d: cp Zfile Xfile e: ln Xfile Zfile
The operator makes an explicit conversion from one type to another.
a) cast b) changetype c) convert d) conversion
Which of the following expressions will yield 0.5?
a. 1 / 2 b. 1.0 / 2 c. (double) (1 / 2) d. (double) 1 / 2 e. 1 / 2.0
Classify the following attributes as binary, discrete, or continuous. Also classify them as qualitative (nominal or ordinal) or quantitative (interval or ratio). Some cases may have more than one interpretation, so briefly indicate your reasoning if you think there may be some ambiguity. Example: Age in years. Answer: Discrete, quantitative, ratio
What will be an ideal response?