Computing on the move has been a focus area for a lot of Information Technology Companies for years. The idea of being able to work while on the road is extremely fascinating. A notebook, also known as a laptop, which may also be understood as a mobile computer has been the solution for these portable computer related tasks.
History
It is a little hard to determine which is the first notebook or portable computer ever made. The Osborne 1 is considered by most historians to be the first true portable computer or notebook. This was produced by Adam Osborne in the year 1981. It featured a 5 inch screen, modem port, floppy drives, few bundled software programs and a battery pack. The total weight of the notebook was about 11 kgs. Gradually after this Epson, Radio Shack, IBM, Apple Computer etc. all came out with a portable computer. IBM`s IBM PC convertible introduced in 1986 was a true laptop computer. This computer ushered in the laptop area. Since these early models, notebooks have seen tremendous development.
Random Access Memory: The RAM is the temporary storage chip that continually updates information while you are using the computer. Today 64 megabytes is the entry level RAM size, suitable for running many programs simultaneously. The greater the storage capacity of the RAM, the more powerful and expensive it is.
From mid-2004 a lot of the computers have DDR2 (double data rate, second generation) SDRAM (Synchronous Dynamic RAM). Before that time many computers had DDR (double data rate, first generation) SDRAM. Most older systems use SDR (single data rate) SDRAM, fast page mode (FPM), or extended data out (EDO).
To complicate things even further, most of the types of RAM comes in different speeds!
DDR2 SDRAM is a new standard that can boost conventional SDRAM memory up to speeds well over 200MHz and beyond. For example, the new IBM memory ;ThinkPad T43, thanks to the Sonoma Chipset or platform has 533MHz DDR 2 SDRAM.
If you’re looking or want to upgrade your IBM laptop or PC RAM here my recommended places that ou should looking for at Memorystore.com. This site is easy to browse just select your computer sstem and with a few click you will get information about your RAM and how to upgrade it.
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