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15. Dynamic Loading、Static Loading
#OS-07-015
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Dynamic Loading
Static Loading
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Regarding dynamic loading, which of the following statements are TRUE?
A
(a) In dynamic loading, a routine is not loaded into the main memory until it is called; all routines are kept on disk in a relocatable load format until required.
B
(b) Dynamic loading typically offers better memory-space utilization than static loading because routines that are never called (such as large, infrequently used error-handling routines) are never loaded into memory.
C
(c) Dynamic loading strictly requires special support from the complex kernel process scheduling to function; it is impossible for user programs to implement this method using standard libraries alone.
D
(d) Compared to dynamic loading, static loading generally results in faster program startup times for large applications because the entire program is loaded into memory at once, avoiding runtime overheads during execution.
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