The OS provides its services through a well-defined ____.
A. GUI
B. UI
C. command line interface
D. API
Answer: D
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Consider a hypothetical car hire company and sketch out a three-tier solution to the provision of their underlying distributed car hire service. Use this to illustrate the benefits and drawbacks of a three-tier solution considering issues such as performance, scalability, dealing with failure and also maintaining the software over time.
What will be an ideal response?
Ruby requires that programmers specify a numeric class type, otherwise errors occur.
Answer the following statement true (T) or false (F)
A parallel array is used to create string arrays because multiple characters are included within each element.
Answer the following statement true (T) or false (F)
Analyze the following code fragments that assign a boolean value to the variable even.
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