What Is 256 MB of RAM?
RAM (random access memory) is an essential component in all computer systems. Understanding how much is available and the benefits of that amount is important in determining what applications can be used on a computer. RAM is used both for the system and graphics. The size is calculated the same way for both.
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Function
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RAM is temporary memory. Since RAM is much faster than hard disk drives, it is used to run active programs. Without RAM, software would take several seconds to change information. That means a document would be slow to write and edit, a video game would be choppy, and even browsing websites would take much more time.
Size
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The size of RAM is measured in bytes, so 256 MB is 256 megabytes, or 256 million bytes. RAM can also be measured in GB, or gigabytes, which are a billion bytes. Software designers tell you the minimum amount of RAM is required to use the software. Always ensure the computer has at least the minimum requirements before installing or running the software.
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Types
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The computer system and video card both use RAM. On the computer it's called system memory; on the video card it's video memory. If the computer has an on-board video controller, the video card may use some of the system memory. Video memory typically runs at a different speed than system memory, usually using newer and faster technology. Since system and video memory are typically in different locations inside the computer, it's important to know how much of each is in the computer.
History
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Computer memory was measured in KB, or kilobytes (1,000 bytes), in early systems. The most common measurement now is in GB. Soon, memory will be measured in TB, or terabytes (1 trillion bytes). As technology and software improve, the need for more memory becomes apparent.
Considerations
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Computer motherboards support various amounts of RAM. Different types of memory are supported on different motherboards as well. The different types give you different speeds and functionality. Always make sure the right memory is being used according to the manufacturer's specifications. Having more memory not only makes the computer perform better, but it also allows access to more programs that require more memory to operate.
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References
- Photo Credit computer memory image by Horticulture from Fotolia.com
