![]() It is a non-volatile memory.ĮPROM (Erasable Programmable Read Only Memory) − EPROM chip can be programmed by erasing the information stored earlier in it. Once a chip has been programmed, the recorded information cannot be changed. PROM (Programmable Read Only Memory) − It is used to write data once and read many. ROM memory has three types’ names which are as following − ROM cannot be overwritten by the computer. The Content of ROM is inserted by the computer manufacturer and permanently stored at the time of manufacturing. ROM information is not lost when power supply is switched off. ROM (Read Only Memory) − It stands for Read Only Memory. The Dynamic RAM is cheaper and of moderate speed and also they consume less power. They have higher speed than Dynamic RAMĭynamic RAM − Dynamic RAM also known as DRAM, This type of RAM stores information in a very short time basically, a few milliseconds even though the power supply is ON. SRAM are of higher coast and consume more power. In this RAM the information is stored as long as the power supply is ON. Static RAM − Static RAM also known as SRAM. RAM is also of two types which are as follows − The information stored in RAM is lost whenever the power supply to the computer is switched off. It is referred as main memory of the computer system. RAM (Random Access Memory) − It stands for Random Access Memory. ![]() Primary memory is generally of two types. Primary Memory is called volatile memory, because when It holds the data and instructions that are presently working on It is called the internal memory of the computer. Generally computer system consists of two types of memory − Primary Memory or Volatile Memory The main use of memory is saving and retrieving data. ![]() It stores data either temporarily or permanent. It is used to store the data, information, and programs at the time of processing on the computer. Memory is a storage part in a computer system.
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