Memory is a computing term for a system or device that stores data for immediate use in a computer, computer hardware, or other digital electronic devices. The terms main memory and primary storage are frequently used interchangeably. The store is a dated word for memory. Compared to slower, cheaper, and higher capacity storage, computer memory functions at a fast speed. Computer memory functions as a disc cache and write buffer in addition to holding opened applications to enhance reading and writing performance. When running software is not using RAM, operating systems use it for caching.
Types of Long-term Memory
- Explicit: Conscious memories that incorporate our understanding of the world, in addition to our self-taught experiences.
- Implicit: Unconscious memories that we utilize regardless of it understanding.
Long-term Memory is responsible for 3 operations, such as:
- The capacity to transform information into a knowledge structure is called encoding.
- Storage is the capacity to compile informational pieces.
- Retrieval, or the capacity to call to mind knowledge we already possess.
The Two Main Kinds of Semiconductor Memory
Volatile Memory
Volatile memory is a digital transistor that needs voltage to justify the stored knowledge. Most up-to-date semiconductor volatile memory may be static RAM or dynamic RAM. DRAM is used for desktop computer memory. SRAM is employed in the CPU cache. SRAM is added in minute embedded communicating devices that may require small memory.
Non-volatile Memory
The non-volatile memory can keep the data saved even while not receiving power. Read-only memory, flash memory, most magnetic computer storage media (such as hard disc drives, floppy discs, and magnetic tape), optical discs, and early computer storage techniques like paper tape and punched cards are examples of non-volatile memory.
Semi-volatile Memory
The third type of memory is called semi-volatile. The phrase is used to express a memory that contains some confined non-volatile moment after power off, noted that the data is lost totally. A common goal when making use of semi-volatile memory is to ensure high throughput, scalability, and durability that are associated with volatile memories, at the same time offering sufficient benefits of non-volatile memory.
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