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To obtain better memory utilization, dynamic loading is used. With dynamic loading, a routine is not loaded until it is called. For implementing dynamic loading,

  • A.special support from hardware is required
  • B.special support from operating system is essential
  • C.special support from both hardware and operating system is essential
  • D.user programs can implement dynamic loading without any special support from hardware or operating system

Answer: D

Correct answer: user programs can implement dynamic loading without any special support from the operating system or hardware

Dynamic loading is a matter of how the program is written: the routine is loaded from disk by a library call when it is first needed. The operating system may supply libraries to make it convenient, but nothing in the hardware or the kernel is required.

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