1.
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,
Answer: Option 'D'
user programs can implement dynamic loading without any special support from hardware or operating system
2.
In paged memory systems, if the page size is increased, then the internal fragmentation generally :
Answer: Option 'A'
becomes more
3.
In a paged memory, the page hit ratio is 0.35. The required to access a page in secondary memory is equal to 100 ns. The time required to access a page in primary memory is 10 ns. The average time required to access a page is :
Answer: Option 'A'
68.5 ns
4.
When there is a large logical address space, the best way of paging would be :
Answer: Option 'B'
a two level paging algorithm
5.
When the valid – invalid bit is set to valid, it means that the associated page :
Answer: Option 'C'
is in the process’s logical address space
6.
Illegal addresses are trapped using the _____ bit.
Answer: Option 'C'
valid – invalid
7.
Memory protection in a paged environment is accomplished by :
Answer: Option 'D'
protection bit with each page
8.
Each entry in a Translation lookaside buffer (TLB) consists of :
Answer: Option 'A'
key
9.
An ______ uniquely identifies processes and is used to provide address space protection for that process.
Answer: Option 'B'
address space identifier
10.
If a page number is not found in the TLB, then it is known as a :
Answer: Option 'A'
TLB miss
11.
The percentage of times a page number is found in the TLB is known as :
Answer: Option 'B'
hit ratio