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RAM chips for computers usually come on removable memory modules like these. Additional memory can be added to the computer by plugging in additional modules. Volatile memory loses its stored data when the power to the memory chip is turned off. However it can be faster and less expensive than non-volatile memory.
Unlike many other video circuits of the era, it does not offer dynamic RAM refresh capabilities. Thus the VIC-20 employed the more expensive static RAM (SRAM) chips. This is likely the reason why the machine was sold with just 5 KB of RAM. Memory expansions for the VIC-20 either used SRAM as well or implemented their own refresh circuit.
The dynamic RAM (DRAM) chip was based on the MOS DRAM memory cell developed by Robert Dennard of IBM, offering kilobits of memory on one chip. Intel coupled the RAM chip with the microprocessor, allowing fourth generation computers to be smaller and faster than prior computers.
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Furthermore, as DRAM is much cheaper than SRAM, SRAM is often replaced by DRAM, especially in the case when a large volume of data is required. SRAM memory is, however, much faster for random (not block / burst) access. Therefore, SRAM memory is mainly used for CPU cache, small on-chip memory, FIFOs or other small buffers.
Volatile memory is computer memory that requires power to maintain the stored information. Most modern semiconductor volatile memory is either static RAM (SRAM) or dynamic RAM (DRAM). [a] DRAM dominates for desktop system memory. SRAM is used for CPU cache. SRAM is also found in small embedded systems requiring little memory.
And Arm provides the low-power chip architecture used by many smartphone makers, which is also increasingly being adopted in low-power data center chips such as the Nvidia Grace CPU and the custom ...
Ferroelectric RAM (FeRAM, F-RAM or FRAM) is a random-access memory similar in construction to DRAM but using a ferroelectric layer instead of a dielectric layer to achieve non-volatility. FeRAM is one of a growing number of alternative non-volatile random-access memory technologies that offer the same functionality as flash memory .