Chapter 2-4 Flashcards
allows physical memory location to be assigned to any linear address (80386 and above)
memory paging mechanism
address generated by a program
linear address
actual memory location accessed by a program
physical address
controlled by the contents of the microprocessor’s control registers
paging unit
Linear address > converted > physical address
PG = 1
PG = 1
Linear address > converted > physical address
Linear address > becomes > physical address to access memory
PG = 0
Enumerate the 3 linear address sections
Page directory entry,
Page table entry,
Memory page offset address
TLB meaning
Translation look-aside buffer
A special type of cache
Translation look-aside buffer / TLB
What the DOS system and EMM386.EXE use to redefine the area of memory between locations C8000H–EFFFFH as upper memory blocks
Page tables