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What an array?
An array is an aggregate of data elements of the same type. Arrays are allocated in contiguous memory. An element of an array can be another array type, also known as a multi-dimensional array.
Compare the memory organization schemes of contiguous memory allocation, pure segmentation, and pure paging with respect to the following issues External fragmentation?
Contiguous memory allocation scheme suffers from external fragmentation as address spaces are allocated contiguously and holes develop as old processes die and new processes are initiated. It also does not allow processes to share code, since a process's virtual memory segment is not broken into non-contiguous fine-grained segments. Pure segmentation also suffers from external fragmentation as a segment of a process is laid out contiguously in physical memory and fragmentation would occur as segments of dead processes are replaced by segments of new processes. Segmentation, however, enables processes to share code; for instance, two different processes could share a code segment but have distinct date segments. Pure paging does not suffer from external fragmentation, but instead suffers from internal fragmentations. Processes are allocated in page granularity and if a page is not completely utilized, it results in internal fragmentation and a corresponding wastage of space. Paging also enables processes to share code at the granularity of pages.
How many coccygeal segments?
There are typically 3-5 coccygeal segments in the coccyx, also known as the tailbone.
EEPROM is also known as memory?
Flash Memory
What is Auxiliary Memory also known as?
secondary memory
Difference between dynamic and static memory allocation?
Static memory allocation is memory allocated on the "stack" and cannot be resized after the initial allocation, while dynamic memory allocation is memory allocated in the "heap", and can be dynamically expanded and shrunk as necessary.
Declarative memory is also known as what?
Declarative memory is also known as explicit memory. It refers to the memory system that involves the conscious recollection of facts and events. This type of memory can be further subdivided into semantic memory (knowledge of facts and concepts) and episodic memory (memory of specific events and experiences).
What is the command or how to know to check amount of heap memory allocated and amount of stack memory allocated for process in 4 GB of ram under UNIX?
To check the amount of heap and stack memory allocated for a specific process in a UNIX environment, you can use the pmap command followed by the process ID (PID). For example, you can run pmap -x <PID> to display detailed memory usage, including heap and stack. Additionally, you can use the top or htop command to monitor the overall memory usage of processes in real-time. For more specific stack information, you might also consider examining /proc/<PID>/maps for memory segment details.
Short term memory is also known as?
frm
What memory section is also known as firmware?
Ram
What is another name for RAM?
Random Access Memory is also known as the Main Memory or the Internal Memory.
How are segments initialized?
Segments are initialized by allocating a specific block of memory for each segment, typically during the setup of a program's execution environment. In systems that use segmentation, the operating system creates segment tables that define the starting address and length of each segment. These segments can include code, data, and stack areas, allowing for modular organization of a program's memory. Initialization may also involve setting initial values or flags to prepare the segments for use by the application.
