Do with memory in the end, what use?
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Users questions: Do with memory in the end, any use?
Experts answer: memory in the computer plays a pivotal role. Commonly used semiconductor memory storage unit, including random access memory (RAM), read-only memory (ROM), and high-speed cache (CACHE). Just because RAM is one of the The most important memory. Commonly referred to as memory i.e. computer system RAM. RAM bit like a classroom blackboard, class teachers to constantly write things above board, all erased after class. RAM requirements continue to supply all the time, otherwise the data will be lost. If you turn off the power after the R AM in the data is not lost're OK, so you can have in each boot to ensure the computer is turned off, the last time, without having to restart the computer each time to re-open the application. RAM requirements, but keep the power supply, that there is no way to solve this problem? As the technology into Step, people think of a way, that is, to supply small quantities of RAM power Baochi RAM data is not lost, it is Diannao the hibernation feature, Te Bie Zhe Ge feature in Win2000 was well inside the application, shutdown the power supply is state, but consuming a small amount of electrical energy. Memory interface by Form of common memory in two ways: single in-line memory module (SIMM), and dual inline memory module (DIMM). SIMM memory is divided into 30 lines, 72 line two. DIMM memory with pin SIMM memory compared to 168 lines. DIMM can be single use, different content Volume can be mixed, SIMM must be in pairs. By the memory of the work, there FPAEDODRAM memory and SDRAM (synchronous dynamic RAM) and other forms. FPA (FASTPAGEMODE) RAM Fast Page Mode Random Access Memory: This is the older power Common use of memory brain systems, which each of the three clock pulse cycle time data transmission. EDO (EXTENDEDDATAOUT) RAM Extended Data Output Random Access Memory: EDO memory, motherboard and memory removed two storage cycle time interval between his two clocks for each A pulse period output data, greatly reducing the access time, is 30% faster storage. EDO is generally 72 feet, EDO memory has been replaced by SDRAM. S (SYSNECRONOUS) DRAM Synchronous Dynamic Random Access Memory: SDRAM 168 Feet, this is the PENTIUM and above models use the memory. SDRAM will be the same CPU and RAM with a clock lock together, so that CPU and RAM to share one clock cycle to synchronize the work of the same speed, the rising edge of each clock pulse starts to transfer data, Faster than EDO memory by 50%. DDR (DOUBLEDATARAGE) RAM: SDRAM replacement products, he allowed the rising and falling clock pulse to transfer data, so do not need to increase the clock frequency can be doubled to improve the speed of SDRAM. RD RAM (RAMBUSDRAM) memory bus, dynamic random access memory; RDRAM RAMBUS company is developing a system bandwidth, chip to chip interface design of the new DRAM, he can at a high frequency range with a simple bus to transfer data. He also The use of low voltage signals, high-speed synchronous clock pulse in two edge data transfer. INTEL 820 chipset in their products, adding to the RDRAM support. The two main parameters of memory: storage capacity and access time. Greater storage capacity, computer memory information can be more. Access time Zeyi Nanoseconds (NS) for the unit to calculate. 1 nanosecond = 10 ^ 9 seconds. The smaller the number, indicating that the faster memory access. Good luck ^ _ ^
Experts answer: memory in the computer plays a pivotal role. Commonly used semiconductor memory storage unit, including random access memory (RAM), read-only memory (ROM), and high-speed cache (CACHE). Just because RAM is one of the The most important memory. Commonly referred to as memory i.e. computer system RAM. RAM bit like a classroom blackboard, class teachers to constantly write things above board, all erased after class. RAM requirements continue to supply all the time, otherwise the data will be lost. If you turn off the power after the R AM in the data is not lost're OK, so you can have in each boot to ensure the computer is turned off, the last time, without having to restart the computer each time to re-open the application. RAM requirements, but keep the power supply, that there is no way to solve this problem? As the technology into Step, people think of a way, that is, to supply small quantities of RAM power Baochi RAM data is not lost, it is Diannao the hibernation feature, Te Bie Zhe Ge feature in Win2000 was well inside the application, shutdown the power supply is state, but consuming a small amount of electrical energy. Memory interface by Form of common memory in two ways: single in-line memory module (SIMM), and dual inline memory module (DIMM). SIMM memory is divided into 30 lines, 72 line two. DIMM memory with pin SIMM memory compared to 168 lines. DIMM can be single use, different content Volume can be mixed, SIMM must be in pairs. By the memory of the work, there FPAEDODRAM memory and SDRAM (synchronous dynamic RAM) and other forms. FPA (FASTPAGEMODE) RAM Fast Page Mode Random Access Memory: This is the older power Common use of memory brain systems, which each of the three clock pulse cycle time data transmission. EDO (EXTENDEDDATAOUT) RAM Extended Data Output Random Access Memory: EDO memory, motherboard and memory removed two storage cycle time interval between his two clocks for each A pulse period output data, greatly reducing the access time, is 30% faster storage. EDO is generally 72 feet, EDO memory has been replaced by SDRAM. S (SYSNECRONOUS) DRAM Synchronous Dynamic Random Access Memory: SDRAM 168 Feet, this is the PENTIUM and above models use the memory. SDRAM will be the same CPU and RAM with a clock lock together, so that CPU and RAM to share one clock cycle to synchronize the work of the same speed, the rising edge of each clock pulse starts to transfer data, Faster than EDO memory by 50%. DDR (DOUBLEDATARAGE) RAM: SDRAM replacement products, he allowed the rising and falling clock pulse to transfer data, so do not need to increase the clock frequency can be doubled to improve the speed of SDRAM. RD RAM (RAMBUSDRAM) memory bus, dynamic random access memory; RDRAM RAMBUS company is developing a system bandwidth, chip to chip interface design of the new DRAM, he can at a high frequency range with a simple bus to transfer data. He also The use of low voltage signals, high-speed synchronous clock pulse in two edge data transfer. INTEL 820 chipset in their products, adding to the RDRAM support. The two main parameters of memory: storage capacity and access time. Greater storage capacity, computer memory information can be more. Access time Zeyi Nanoseconds (NS) for the unit to calculate. 1 nanosecond = 10 ^ 9 seconds. The smaller the number, indicating that the faster memory access. Good luck ^ _ ^
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