Memory Management Quiz

Which of the following is the fastest memory in the memory hierarchy?

• Cache

• Main Memory

• Secondary Memory

• Magnetic Tape

Memory hierarchy is primarily organized based on:

• Storage size only

• Cost and access speed

• Manufacturer

• File system type

Contiguous memory allocation suffers from which of the following problems?

• Fragmentation

• Deadlock

• Thrashing

• Buffer overflow

Non-contiguous allocation methods include:

• Paging and Segmentation

• Contiguous allocation and Overlays

• Compaction and Relocation

• None of the above

In fixed partition memory management, internal fragmentation occurs because:

• Partition sizes are equal

• Partition sizes may not match process size exactly

• Processes cannot be swapped out

• External fragmentation increases

Logical address is generated by:

• Memory Management Unit

• CPU

• I/O devices

• Operating System only

Physical address is seen by:

• User

• Compiler

• Memory unit

• Programmer

Swapping allows:

• Moving processes between main memory and CPU

• Moving processes between main memory and disk

• Relocating memory blocks within cache

• Defragmentation of memory

Paging eliminates:

• Internal fragmentation

• External fragmentation

• Thrashing

• Deadlocks

Segmentation is mainly based on:

• Fixed-sized blocks

• Logical divisions like functions, arrays, procedures

• Variable-sized frames of main memory

• Pages of equal size