Worksheetscontiguous memory allocation
Total questions: 10
Worksheet time: 5mins
When memory is divided into several fixed sized partitions, each partition may contain ________
exactly one process
at least one process
multiple processes at once
none of the mentioned
In fixed size partition, the degree of multiprogramming is bounded by ___________
the number of partitions
the CPU utilization
the memory size
all of the mentioned
The first fit, best fit and worst fit are strategies to select a ______
process from a queue to put in memory
processor to run the next process
free hole from a set of available holes
all of the mentioned
In internal fragmentation, memory is internal to a partition and ____________
is being used
is not being used
is always used
none of the mentioned
A solution to the problem of external fragmentation is ____________
compaction
larger memory space
smaller memory space
none of the mentioned
The disadvantage of moving all process to one end of memory and all holes to the other direction, producing one large hole of available memory is ____________
the cost incurred
the memory used
the CPU used
all of the mentioned
__________ is generally faster than _________ and _________
first fit, best fit, worst fit
best fit, first fit, worst fit
worst fit, best fit, first fit
none of the mentioned
External fragmentation exists when?
enough total memory exists to satisfy a request but it is not contiguous
the total memory is insufficient to satisfy a request
a request cannot be satisfied even when the total memory is free
none of the mentioned
External fragmentation will not occur when?
first fit is used
best fit is used
worst fit is used
no matter which algorithm is used, it will always occur
When the memory allocated to a process is slightly larger than the process, then ____________
internal fragmentation occurs
external fragmentation occurs
both internal and external fragmentation occurs
neither internal nor external fragmentation occurs
