Sheet-6 (OS)
Mastering Memory Management Quiz
Test your knowledge on operating system memory management concepts with this engaging quiz. From partitioning techniques to memory addressing, challenge yourself to see how well you understand these fundamental principles!
- Multiple-choice questions
- Learn and reinforce your memory management skills
- Perfect for students and professionals alike
Main memory divided into a number of static partitions at system generation time is _______.
Fixed partitioning
Simple segmentation
Dynamic partitioning
Simple paging
Main memory divided into a number of equal size frames is the _______ technique.
Simple paging
Dynamic partitioning
Fixed partitioning
Virtual memory segmentation
With _______ a process is loaded by loading all of its segments into dynamic partitions that need not be contiguous.
Simple paging
Virtual memory segmentation
Virtual memory paging
Simple segmentations
One technique for overcoming external fragmentation is _______.
Loading
Compaction
Relocation
Partitioning
A _______ is a particular example of logical address in which the address is expressed as a location relative to some known point, usually a value in a processor register.
Logical address
Relative address
Absolute address
Physical address
The chunks of a process are known as _______.
Pages
Addresses
Frames
Segments
Available chunks of memory are known as _______.
Frames
Segments
Addresses
Pages
The concept of Memory Management satisfies certain system requirements including:
Relocation
Protection
Physical organization
All of the above
In the Dynamic Partitioning technique of memory management, the placement algorithm that chooses the block that is closest in size to the request is called _______.
First-fit
Best-fit
Last-fit
Next-fit
In the Dynamic Partitioning technique of memory management, the placement algorithm that scans memory from the location of the last placement and chooses the next available block that is large enough to satisfy the request is called ______.
Last-fit
Best-fit
Next-fit
First-fit
A problem with the largely obsolete Fixed Partitioning memory management technique is that of:
Allowing only a fixed number of processes
Inefficient use of memory
Internal fragmentation
All of the above
The page table for each process maintains _______.
The physical memory location of the process
The frame location for each page of the process
The page location for each frame of the process
The logical memory location of the process
In a system employing a segmentation scheme for memory management wasted space is due to _______.
External fragmentation
Frames of different sizes
Internal fragmentation
Segments of different sizes
In a system employing a paging scheme for memory management wasted space is due to _______.
Internal fragmentation
Pages of different specified sizes
External fragmentation
Frames of different specified sizes
In a system employing a segmentation scheme for memory management a process is divided into _______.
One segment per thread
A number of threads
A number of segments which need not be of equal size
A number of segments which must be of equal size
In a uniprogramming system main memory is divided into two parts.
True
False
The use of unequal size partitions provides a degree of flexibility to fixed partitioning.
True
False
Programs in other processes should not be able to reference memory locations in a process for reading or writing purposes without permission.
True
False
In a multiprogramming system the available main memory is not generally shared among a number of processes.
True
False
The memory protection requirement must be satisfied by the operating system rather than the processor.
True
False
Any protection mechanism must have the flexibility to allow several processes to access the same portion of main memory.
True
False
Secondary memory provides fast access at relatively high cost.
True
False
A hardware mechanism is needed for translating relative addresses to physical main memory addresses at the time of execution of the instruction that contains the reference.
True
False
In a multiprogramming environment the programmer knows at the time of coding how much space will be available and where that space will be.
True
False
Overlay programming wastes programmer time.
True
False
The principal operation of memory management is to bring processes into main memory for execution by the processor.
True
False
A physical address is the location of a word relative to the beginning of the program and the processor translates that into a logical address.
True
False
The best-fit algorithm is usually the worst performer.
True
False
All segments of all programs must be of the same length.
True
False
Segmentation does not eliminate internal fragmentation.
True
False
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