DDR200: DDR SDRAM, 100 DDR266: DDR SDRAM, 133 DDR333: DDR SDRAM, 166 DDR400: DDR SDRAM, 200
46. DDR2;
DDR2 SDRAM - , ) , . DDR SDRAM. DDR SDRAM, DDR2 SDRAM , , SDRAM, (, DDR2 100 SDRAM 200 ). DDR2 DDR , . , , . , DDR. DDR2 DDR 240 ( 120 )
, , , DDR2-400 100 200 400
DDR2-533 133 266 533
DDR2-667 166 333 667
DDR2-800 200 400 800
DDR2-1066 266 533 1066
47. DDR3;
DDR3 SDRAM - , ) , . DDR2 SDRAM, 4 8 .
DDR3 DDR2, (1,5 , 1,8 DDR2 2,5 DDR) .[3][4] ( 90-, 65, 50, 40 ) Dual-gate ( ).
DDR3L (L Low) , 1,35 , DDR3 10 %.[5]
2012 DDR3L-RS .[6] DDR3 BGA.
48. DDR4;
DDR4 SDRAM - , DDR (DDR, DDR2, DDR3). .
DDR4 16 , 3,2 / . DDR4 34,1 / c ( 4 266 , ). , . 2 133 4 266 . , . . , . 2 2014 . , .
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49. Flash . , . - ( ). . . - . , . : MLC SLC. MLC- ( , 10000). SLC- ( 100000). : NAND NOR. . (, ) . . (..). , , , . , . .
50. -
( ), , .
() , , , , .. , .
51. NOR
Intel 1988 . ( ), . , (Word Line). . , (Bit Line). NOR , , , . , , , , ( ).
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, . . - NOR , . - NOR .
52. NAND
Toshiba. NAND , , . NAND , , , , . , ( NOR). NOR . NAND - , NOR. , NAND .
53. , ;
HDD Hard Disk Drive , .
HDD 3 ;
1)
2) ( )
3)
:
. , , , , , .
. , , . , .. .
54. ;
1) (2,5 , 3.5 )
2)
)IOE
)SATA
-1-56b/s
-2-66b/s
)SAS
3) (12)
4) (6400, 7200, 10000, 15000 /)
5)
)
)
)
( )
) (5400,7200, 10000 /)
) (5.7, 4.2, 3.3 /c)
6)- ,
7)
55. ;
)
)
)
( )
) (5400,7200, 10000 /)
) (5.7, 4.2, 3.3 /c)
56
1)
2)
3)
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: ( )
. 0
0 -MBR-Master Boot Record( IPL- Initial Program Loading, ) Boot Record
GRUB-
.
, ,
57.
, , .
