The computer, alas, does not instantly execute commands that it receives from people. A number of tricks are used to speed up this process, and caching is an honorable place among them. What it is? What is cached data? How does this process actually happen? What is cached data in a Samsung smartphone, for example, and do they differ in some ways from those on a computer? Let's get to the answers to these questions.
What is a cache?
, , . . , , . – . , , , -, WINS DNS. . , , . (), . : "" ? , ? – , .
( ) , , – . , . . . , . , . , , .
, , - . , , . , , . , , "", .
. , , . :
- . .
- . . , , : «» . , : , , , – .
, . . .
– . ? - , . , , , . , , , . , ( , ). , , , , - . , – !
, , , ? . :
- . .
- . .
- . .
. , :
- L1 cache. – . , , . : . . , .
- L2 cache. . . , , , , .
- L3 cache. , . 24 . , , .
- L4 cache. . . , "" – , 5 .
. . , , - , . , . , , , , , , .
, . , , , .