Known specifically as dynamic random-access memory, or DRAM, transistors were used to store bits of data. However, RAM, as we know it today, as solid-state memory, was first invented in 1968 by Robert Dennard. One bit of data could be stored per ring and accessed at any time. Magnetic-core memory works through the use of tiny metal rings and wires connecting to each ring. Frederick Viehe is credited with much of the work, having filed for several patents relating to the design. RAM gives computers the virtual space needed to manage information. The second widely used form of RAM was magnetic-core memory, invented in 1947. Dynamic RAM (DRAM) Synchronous Dynamic RAM (SDRAM) Single Data Rate Synchronous Dynamic RAM (SDR SDRAM) Double Data Rate Synchronous Dynamic RAM (DDR SDRAM, DDR2, DDR3, DDR4) Graphics Double Data Rate Synchronous Dynamic RAM (GDDR SDRAM, GDDR2, GDDR3, GDDR4, GDDR5) Flash Memory. It utilized a CRT (cathode ray tube) the data was stored on the face as electrically charged spots. The first form of RAM came about in 1947 with the use of the Williams tube. The more memory a computer has, the more information and software it can load and process quickly.Ĭurrently, the largest single stick of RAM is 128 GB. If a computer does not have the recommended memory to run the operating system and its programs, it results in slower performance. If too many programs are open, the computer swaps the data in the memory between the RAM and the hard disk drive.Ī computer's performance is largely attributed to the amount of memory contained within it. After the operating system is loaded, programs you open like the browser you're using to view this page are also loaded into memory. This memory module would be installed into one of the memory slots on a motherboard.Īs the computer boots, parts of the operating system and drivers are loaded into memory, which allows the CPU to process instructions faster and speed up the boot process. Below is an example image of a 512 MB DIMM computer memory module, a piece of RAM found in older desktop computers. Some of the more common examples are DIMM, RIMM, SIMM, SO-DIMM, and SOO-RIMM. Browse 957 random access memory stock photos and images available, or search for ram or cpu to find more great stock photos and pictures. Over the evolution of the computer, there have been different variations of RAM.
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