Ex 21 Flashcards
page hit
CPU read that results in finding the desired data in DRAM
Memory Management Unit (MMU)
hardware that translates a virtual address into a physical address
Translation Lookaside Buffer
name of the cache used by memory management unit to assist in virtual address translation
Thrashing
problem of program with poor locality where pages are repeatedly swapped in and out of memory
Page Table
table that is used for translating virtual addresses into physical addresses
embedded computer
machine that uses physical addressing
working set
set of pages that are continuously referenced by a program within a small amount of time
virtual page offset
portion of a virtual address that requires no translation
page fault
A CPU read that results in a exception because the desired data is not in DRAM
physical address
type of address that is used to access main memory (DRAM)
virtual address
type of address that the linker assigns to symbols and functions
page frame
block of dram used to hold a virtual page
