Wednesday, January 19, 2011

RAM(Random Access Memory)

RAM is the hardware component that present in our CPU.RAM is the temporary storage unit.





BIT-Binary Digit(0,1)
     4 Bit           -1 nibble
     8 Bit           -1 byte
1024 byte         -1 kilobyte(KB)
1024 kilobyte    -1 megabyte(MB)
1024 megabyte -1 gigabyte(GB)
1024 gigabyte   -1 Terabyte(TB)
1024 Terabyte   -1 Petrabyte(PB)


TYPES OF RAM:


1.IDE  RAM(Industrial drives electronics random access memory)
2.EDO RAM(Extended data output random access memory)
3.RD   RAM(Rambus dynamic  random access memory)
4.SD   RAM(synchrome dynamic  random access memory)
5.DDR RAM(Double data rate random access memory)


Most usable RAMs are DDR and DDR2.


DDR RAM(Double data rate random access memory):


This RAM is fitted with the DDR RAM slot of the motherboard.It has 184 pins single cutting.It is used in the latest processor of the motherboard.
DIMM-Dual Inline Memory Module


Models avialable in DDR RAM are
128 MB DDR RAM
256 MB DDR RAM
512 MB DDR RAM
   1 GB  DDR RAM



DDR2 RAM:


This RAM is fitted with the DDR2 RAM slot of the motherboard.It has 240 pins.It is also used in the latest processor of the motherboard.


Models available in DDR2 RAM are
256 MB DDR2 RAM
512 MB DDR2 RAM
   1 GB  DDR2 RAM
   2 GB  DDR2 RAM



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