What is RAM

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What is Computer RAM

The Full form of RAM is Random Access Memory. RAM is a volatile memory means when computer is turned off, that data in RAM are lost.
It is the main memory of a computer or mobile phones. You can change or erase your data in RAM. Your computer speed will increase with the increase in the capacity of your RAM.

what is ram

Types of RAM

Generally RAM can be divided into two broad categories:

SRAM: Static RAM is much faster and more expensive than DRAM. It often functions as cache memory. Information in SRAM is volatile. It stores a bit of data using six transistor memory cell.

DRAM: Dynamic RAM is slower than SRAM. It stores a bit of data using a transistor and capacitor pair. As it is less expensive, most computers use DRAM. It is also a volatile memory.

Operation of RAM

There two types of operation that is performed on RAM and they are:

  • The process of storing information into memory known as write operation.
  • The process of transferring the stored information out of the memory known as read operation.

Features of RAM

  • It is a storage type device, works as main memory.
  • It determines the computer speed.
  • It is much smaller than hard disk, both physically as well as capacity wise.

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Classpath variable is set for providing a path for predefined Java classes which is used in our application. All classes are available in lib/rt.jar so we set classpath upto lib/rt.jar. Difference between path and classpath in Java

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