CPU Scheduling and Memory Management Quiz

What is the primary function of an operating system?

• To perform calculations

• To create applications

• To provide internet access

• To manage hardware resources

What does memory management primarily involve?

• Organizing programs and data in memory

• Creating new applications

• Managing user interfaces

• Allocating CPU time

What is a logical address?

• An address generated by the CPU

• An address for I/O devices

• An address used for storage

• An address seen by the memory unit

What is the disadvantage of single tasking with overlay?

• It cannot utilize more memory if available

• It requires more CPU time

• It leads to data corruption

• It is more complex to manage

What is fixed partitioning?

• Using virtual memory techniques

• Allocating memory dynamically

• Creating overlays for processes

• Dividing memory into fixed spaces

What does external fragmentation refer to?

• Memory that is corrupted

• Memory allocated to a process but not used

• Memory that is fully utilized

• Unused memory spaces that are not contiguous

Which technique is used to resolve external fragmentation?

• Paging

• Partitioning

• Overlaying

• Compaction

What is the purpose of a memory manager?

• To allocate CPU time

• To manage user interfaces

• To create applications

• To track memory usage

What is internal fragmentation?

• Memory that is corrupted

• Memory that is shared among processes

• Memory that is completely free

• Unused memory within allocated partitions

What is the first fit algorithm?

• Allocates the smallest space available

• Allocates the first available space for a process

• Allocates the largest space available

• Allocates memory based on user preference