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DRAM consists of MOSFET's but the technique is to use the drain source capacitance to hold charge. If charge is present logic '1' is held, no charge logic '0'. As you know capacitors discharge themselves eventually and in order to maintain the data they require topping up. This process of topping up is termed refreshing. This involves supplying row address strobes (RAS) and column address strobes (CAS) to refresh each cell. Shown below are the pining details of a basic DRAM device.
By looking at the internal structure shown below, we can see that the design is more complex since it is required to refresh the cells.
Most modern processors have the required logic built in to refresh DRAM directly namely Pentium, 68060, Power PC etc.
What is processor time of a program? The periods during which the processor is active is known as processor time of a program it depends on the hardware included in the executi
Factor which helps in analysis of parallel algorithms is the total number of processors needed to deliver a solution to a provided problem. So for a given input of size let's say n
what is cascade rollback
There are no needs.. If you need to use a Viewport you can! If you want to render components into divs... you can do that aswell.
Q. Example of asymptotic notations? The function f (n) belongs to the set (g(n)) if there exists positive constants c such that for satisfactorily large values of n we have 0
Convert ASCII code to its BCD equivalent. This can be achieved by simply replacing bits in upper four bits of byte by four zeros. For illustration the ASCII '1' is 32h = 0010B. By
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benefit of hardware protection
How free-space is managed using bit vector implementation? The free-space list is executed as a bit map or bit vector. Each block is shown by 1 bit. If the block is free, the b
What are Grouping Notations These notations are boxes into which a model could be decomposed. Their elements includes of packages, frameworks and subsystems.
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