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External fragmentation occurs when a
a) Memory area remain unused because it is too large to be allocated
b) Memory area remain unused because it is too small to be allocated
c) More memory is allocated than requested by process
d) Less memory is allocated than requested by process


c

In which of the storage placement strategies a program is placed in the largest available hole in the main memory?
a) best fit                                              
b) first fit
c) worst fit                           
d) buddy


c

When the memory allocated to a process is slightly larger than the process, then
a) Internal fragmentation occurs
b) External fragmentation occurs
c) Both internal 
and external fragmentation occurs
d) Neither internal nor external fragmentation occurs


a

Which of the following strategy is used when the incoming process is placed in main memory in the smallest hole that is big enough to hold the process?
a) First fit                              
b) best fit
c) worst fit                            
d) none of these


d

What compaction refers to
a) A technique for overcoming internal fragmentation         
b) 
A paging technique
c) A technique for overcoming external fragmentation
d) A technique for compressing data


a

Physical memory is divided into fixed-size blocks called ……..
a) Frames                            
b) Segment
c) Pages                                
d) none of these


a