What is a constructor? What purpose does it serve?
What will be an ideal response?
A constructor is a class method whose instructions the computer automatically processes each time an object is instantiated from the class. The sole purpose of a constructor is to initialize the class's private variables.
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What is the problem that the C++ namespace facility solves?
What will be an ideal response?
If the IP address is wrong for its network, then it will not be able to communicate at all. Sometimes, the IP address of the device is correct and it is on the right network, but it still doesn't work. What could cause this problem?
What will be an ideal response?
Answer the following statements true (T) or false (F)
1. In a switch statement, the default case is always executed. 2. Not including the break statements within a switch statement results in a syntax error. 3. The equality operator (==) may be used to test if two string objects contain the same value. 4. Boolean expressions are used to control branch and loop statements. 5. The for statement, do…while statement and while statement are examples of branching mechanisms.
Consider a system containing 18 processors and three jobs: job A contains 11 runnable processes, job B contains eight runnable processes and job C contains four runnable processes. The system contains 18 processors. If the system uses dynamic partitioning scheduling, how are processors allocated to jobs?
a) A receives seven processors; B receives seven processors; and C receives four processors. b) A receives eight processors; B receives six processors; and C receives four processors. c) Each job receives six processors. d) Each job receives four processors; the remaining six processors are reserved for incoming jobs.