The UML decision and merge symbols can be distiguished by _________________
a) the number of flowlines entering or exiting the symbol
b) whether or not the flowlines have guard conditions
c) Both of the above.
d) Neither of the above.
a) the number of flowlines entering or exiting the symbol
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The person responsible for the initial development of C++ was
a) Dennis Ritchie b) James Gosling c) Brian Kernighan d) Bjarne Strousrup e) Bill Joy
Answer the following statements true (T) or false (F)
1. Pre-paging occurs when the system finds itself spending so much time swapping pages into and out from memory that little time is left for useful work. 2. Memory mapping is a technique for managing memory. 3. Traditionally, the key measure of multiprogramming effectiveness is response time. 4. The system operator manages the processor’s time by determining which application program is executed next. 5. On many systems, a control block is created to hold a partition’s key control flags, constants, and variables.
Buses, pipelines, cache, and word size
A) Are unimportant in the overall performance of a computer B) Have an impact on computer speed C) Determine the speed of data as it travels on the World Wide Web D) Are related only to memory
Using preprocessor directives to determine whether or not code should be compiled is:
A. conditional compilation B. a way to avoid getting compiler errors C. poor programming practice D. preprocessor inlining