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Dual-ported RAM (DPRAM), also called dual-port RAM, is a type of random-access memory (RAM) that can be accessed via two different buses.. A simple dual-port RAM may allow only read access through one of the ports and write access through the other, in which case the same memory location cannot be accessed simultaneously through the ports since a write operation modifies the data and therefore ...
If at this point, CPU 2 issues a test-and-set to memory location A, the DPRAM detects the special flag value, and as in Variation 1, issues a BUSY interrupt. Whether or not CPU 2 was trying to access the memory location, the DPRAM now performs CPU 1's test. If the test succeeds, the DPRAM sets memory location A to the value specified by CPU 1.
In computer science, a parallel random-access machine (parallel RAM or PRAM) is a shared-memory abstract machine.As its name indicates, the PRAM is intended as the parallel-computing analogy to the random-access machine (RAM) (not to be confused with random-access memory). [1]
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Mask ROMs are factory programmable only and typically used for large-volume products which are not required to be updated after the memory device is manufactured. ...
These IBM tabulating machines from the mid-1930s used mechanical counters to store information.. Early computers used relays, mechanical counters [6] or delay lines for main memory functions.
Computational RAM (C-RAM) is random-access memory with processing elements integrated on the same chip. This enables C-RAM to be used as a SIMD computer. It also can be used to more efficiently use memory bandwidth within a memory chip.
Virtex is the flagship family of FPGA products currently developed by AMD, originally Xilinx before being acquired by the former. [1] Other current product lines include Kintex (mid-range) and Artix (low-cost), each including configurations and models optimized for different applications. [2]