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Memory Managment, Main Memory Mgmt, Virtual Memory Mgmt - Coggle Diagram
Memory Managment
Main Memory Mgmt
Memory Hierarchy
Registers
Cache
Main Memory
Secondary Storage
Paging
Page Tables
Techniques
Simple Paging
Paging with TLB
TLB hit
TLB miss
Performance
Effective Memory Access Time
Hit Ratio
Address space
terms
Page
Frame
Memory Allocation Schemes
Contigous
Fixed/Static Partition
partition size
equal size
Unequal size
Variable/Dynamic Partition
Non-contigous
Paging
Segmentation
terms
Fragmentations
Internal fragmentation
External Fragmentation
Types of address spaces
Logical Address space
Physical Address space
Virtual Address space
Types of Addresses
Logical Address
Physical Address
Segmentation
Segment Tables
Virtual Memory Mgmt
Demand Paging
Performance
Effective Memory Access Time (EMAT)
Hit ratio
Miss ratio
terms
Page faults
steps to handle it
Loading of pages
Lazy pager
2 implementation problems
Page Replacement algorithms
FIFO
Belady's Anamoly
Optimal
LRU
Frame Allocation
Thrashing
Why it causes?
Prevention Strategies
Method-1: Working-set Model
Method-2: Page Fault Frequency
Why needed?
2 ways of program loading
Partial Loading
Full loading