Dynamic linking can cause security concerns because
A
Security is dynamic
B
The path for searching dynamic libraries is not known till runtime
C
Linking is insecure
D
Cryptographic procedures are not available for dynamic linking
2
GATE CSE 2001
MCQ (Single Correct Answer)
Consider a machine with 64 MB physical memory and a 32-bit virtual address space. If the page size is 4KB, what is the approximate size of the page table?
A
16 M
B
8 MB
C
2 MB
D
24 MB
3
GATE CSE 2000
MCQ (Single Correct Answer)
Suppose the time to service a page fault is on the average $$10$$ milliseconds, while a memory access takes $$1$$ microsecond. Then a $$99.99$$% hit ratio results in average memory access time of.
A
$$1.9999$$ milliseconds
B
$$1$$ millisecond
C
$$9.999$$ microseconds
D
$$1.9999$$ microseconds
4
GATE CSE 1999
MCQ (More than One Correct Answer)
Which of the following is/are advantage of virtual memory?
A
Faster access to memory on an average.
B
Processes can be given protected address spaces.
C
Linker can assign addresses independent of where the program will be loaded in physical memory.
D
Programs larger than the physical memory size can be run.
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