Memory is one of the fundamental components of a system. In computing, memory refers to the devices used to store information for use in a computer. There is at least some form of memory in a system.
Volatile memory is a type of memory that loses its content when the system’s power is turned off. The primary example is the computer's main memory, which is made up of dynamic RAM (DRAM) and static RAM (SRAM) chips.
SRAM retains its contents as long as the power is connected and is easy to interface to but uses six transistors per bit. Dynamic RAM is more complicated to interface to and control and needs regular refresh cycles to prevent its contents being lost.
RAM (Random Access Memory) is volatile memory that temporarily stores the files the user is working on. When the user is working on a document, it is kept in RAM. If the computer he is using is disconnected from power, his work is lost because it was not stored in permanent (non-volatile) memory.
Volatile memory is typically faster than nonvolatile memory, so typically when operating on the data it's faster to do it on volatile memory. However, it is also more expensive. Computers use volatile and non-volatile memory to help balance cost with performance.
Volatile memory loses data, the mechanism to retain data in volatile memory is to keep refreshing the data content. By refreshing, we mean to read the data and write it back in cycle.
Volatile memory
A computer system comprises hardware and software components, aiming to offer a powerful computational tool. These systems play a crucial role across diverse domains, aiding us in numerous tasks. The prevalence of the internet has significantly bolstered the utilization of computers for information sharing and communication. Computer systems empower us to store, process, display, and transmit information. Even in a basic modern computer system, multiple programs are typically required to carry out various functions effectively.
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