RAM cards, or random access memory cards, are an easy way to add extra memory to a computer, but there are a couple of things to consider in order to avoid any inconveniences. Although adding RAM cards will definitely augment the memory of a computer, this is not the most cost-effective method of adding memory to a PC. All desktop computers have RAM sockets for adding memory without using up one of your PC card sockets. Furthermore, PC card RAM is often twice as costly as SIMM memory.
This is the only type of PC card that has to be present when starting up the computer, or the computer will fail to recognize and take advantage of the added memory. This means that users have to reboot every time they add or remove a RAM card. So the feasibility of RAM depends on the presence of appropriate slots in the hard drive. Flash RAM cards are typically available in 10 megabytes, 20MB, or 40MB sizes.
Flash RAM is used to make programs work extremely fast or to access data more speedily than from a standard hard drive. Even though it is random access memory, it works like a hard drive and has a great speed and capability. The card has a trickle-charge battery that keeps the memory refreshed even if the card is left unplugged for a long time. When the flash RAM card is plugged, the battery is recharged and the whole cycle can start again.
There are two downfalls of using flash RAM cards. The first is limited capacity that they offer as compared to hard drives. Typical hard drives for portable computers start at 250 MB, but the Flash RAM card cannot accommodate more than 40 MB, and this might create problems for the user. The other downfall is that these cards are very expensive, and a 40 MB card will cost around $1000.
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