Which of the following statements is false?
a. Classes (and their objects) encapsulate, i.e., encase, their attributes and methods.
b. A class’s (and its object’s) attributes and methods are intimately related.
c. For objects to communicate effectively with one another, each must know how the other object is implemented.
d. Information hiding is crucial to good software engineering.
C
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A danger of positive feedback loops is that ____.
A. as more jobs enter, there can be an increase in page faults B. a single job will be allowed to run to completion and preempt waiting jobs C. as more jobs enter, it increases the chance of deadlock D. as more jobs enter, the amount of main memory allocated to each job decreases
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.