Question 51 : Transient operating system code is code that :
1. is not easily accessible
2. comes and goes as needed
3. stays in the memory always
4. never enters the memory space
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Question 52 : The operating system and the other processes are protected from being modified by an already running process because :
1. they are in different memory spaces
2. they are in different logical addresses
3. they have a protection algorithm
4. every address generated by the CPU is being checked against the relocation and limit registers
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Question 53 : With relocation and limit registers, each logical address must be _______ the limit register.
1. less than
2. equal to
3. greater than
4. none of the mentioned
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Question 54 : The relocation register helps in :
1. providing more address space to processes
2. a different address space to processes
3. to protect the address spaces of processes
4. none of the mentioned
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Question 55 : In contiguous memory allocation :
1. each process is contained in a single contiguous section of memory
2. all processes are contained in a single contiguous section of memory
3. the memory space is contiguous
4. none of the mentioned
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Question 56 : The operating system is :
1. in the low memory
2. in the high memory
3. either low or high memory (depending on the location of interrupt vector)
4. none of the mentioned
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Question 57 : The main memory accommodates :
1. operating system
2. cpu
3. user processes
4. all of the mentioned
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Question 58 : Operating System maintains the page table for
1. each process
2. each thread
3. each instruction
4. each address
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Question 59 : What is compaction?
1. a technique for overcoming internal fragmentation
2. a paging technique
3. a technique for overcoming external fragmentation
4. a technique for overcoming fatal error
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Question 60 : The page table contains
1. base address of each page in physical memory
2. page offset
3. page size
4. none of the mentioned
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