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what are rdramrdram are rambus dram rambus needs specially designed memory chips these chips use cell arrays based on the standard dram technology
what is ram bus technologythe key feature of ram bus technology is a fast signalling method used to transfer information among chips instead of using
what is memory controllera memory controller is a circuit which is interposed among the processor and the dynamic memory it is used for performing
what are simm and dimmsimm are single in-line memory module dimm is dual in-line memory modules such modules are an assembly of various memory chips
what is mother boardmother board is a main system printed circuit board which having the processor it will occupy an unacceptably large amount of
what is double data rate sdram double data rates sdram are those which can transfer data on both edges of the clock and their bandwidth is
define bandwidthwhen transferring blocks of data it is of interest to know how much time is required to transfer an entire block as blocks can be
what is synchronous dramsynchronous drams are those whose operation is directly synchronized with a clock
what is asynchronous dramin asynchronous dram the timing of the memory device is controlled asynchronously a specialized memory controller circuit
define memory latencyit is used to refer to the amount of time it takes to transfer a word of data to or from the
define refresh circuitsit is a circuit which make sure that the contents of a dram are maintained when every row of cells are accessed
what are the characteristics of dramlow costhigh densityrefresh circuitry is
what are the characteristics of sramsram are fastthey are volatilethey are of high costless
why sram are said to be volatilebecause their contents are lost when power is interrupted so sram are said to be
what are the characteristics of semiconductor ram memories they are available in a wide range of speeds their cycle time range from 100ns to less
define static memoriesmemories that consists of circuits capable of retaining their state as long as power is applied is known as static
what is a word linein a memory cell all the cells of a row are linked to a common line called as word
define memory cella memory cell is capable of storing single bit of information it is usually organized in the form of an
what is mmummu is the memory management unit it is a special memory control circuit used for executing the mapping of the virtual address space onto
when is a memory unit called as rama memory unit is called as ram if any location can be accessed for a read or writes operation in some fixed
define memory cycle timeit is the time delay needed between the initiations of two successive memory operationseg the time among two successive read
define memory access timethe time needed to access one word is known as the memory access time or it is the time that elapses among the initiation of
what is the maximum size of the memory that can be used in a 16-bit computer and 32 bit computerthe maximum size of the memory that can be used in a
what is a deadlocka deadlock is a situation that can increase when two units a and b use a shared resource assume that unit b cannot complete its
what is commitment unitwhen out-of-order execution is permitted a special control unit is required to guarantee in-order commitment this is known as