toshibalaptopbattery

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As noted in the introduction, there''s a virtual alphabet soup of memory types: SDRAM, EDO, toshibalaptopbattery FPM, SIMM, and DIMM. It certainly can create a great deal of confusion. RAM itself stands toshibalaptopbattery for "random access memory," meaning the CPU can access any memory address without reading all addresses before it. (ROM—read only memory—is random access, too, but you can''t write to it). It gets worse, because memory comes in different speeds, and some types don''t work in some systems. Here''s the rundown on the three memory types used in today''s systems.... SDRAM. Synchronous DRAM SDRAM''s speed is typically measured in MHz (for example, 100MHz), although you do see references to 10ns SDRAM ("ns" stands for nanosecond or one billionth of a second). SDRAM for PCs comes in DIMMs. These refer to SDRAM DIMMs rated toshibalaptopbattery at different memory bus speeds. For any CPU running at a 100MHz bus speed you should get SDRAM. Some future motherboards will support SDRAM. Although there''s a price premium, SDRAM will run in a PC100 system.

RAM (random access memory) is put on your computer using RAM chips placed into special slots. When your computer is turned off, RAM is empty-unlike a hard disk, it can''t store data unless the RAM is powered by electricity. Step 2: RAM''s Power Source When you turn your computer on, electricity flows from the power supply to the motherboard. Because the RAM is directly attached to the motherboard, it gets electricity from the motherboard. When RAM is powered by electricity, it can store data. Step 3: RAM and Hard Disk Relationship The data is now in memory and can be used, manipulated, and altered. The altered data stays in RAM only until you issue a command to save it. When you issue a Save command, the altered data is sent back over the bus to your hard disk, and the data is stored toshibalaptopbattery there. When you turn your computer off, the data vanishes out of RAM, but toshibalaptopbattery stays permanently on your hard disk.

toshibalaptopbattery

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