To have more speed in the proccesor.
To have more speed in the proccesor.
People are more likely to put in a graphics controller and memory controller into their computers because it is cheaper and easier than adding things to the chip set.
The fast end of the hub, called the North bridge, contains the graphic and memory controller, and connects directly to the processor by way of 64- bit bus, called the Front Side Bus (FSB), System Bus or host bus.
To have more speed in the proccesor.
controller performs its operations faster than processor because controller has memory in it so it takes less time cycles for fetching of address or data from memory where as in processor memory is connected externally so time taken will be more to perform its operations.
Graphics and Memory Controller Hub
Macs do have video cards. For example the current range of iMacs have: ▪ 20-inch and 24-inch model with 2.66GHz processor has the NVIDIA GeForce 9400M graphics processor with 256MB of DDR3 SDRAM shared with main memory ▪ 24-inch model with 2.93GHz processor has one of the following: NVIDIA GeForce GT 120 graphics processor with 256MB of GDDR3 memory or NVIDIA GeForce GT 130 graphics processor with 512MB of GDDR3 memory or ATI Radeon HD 4850 graphics processor with 512MB of GDDR3 memory ▪ 24-inch model with 3.06GHz processor has one of the following: NVIDIA GeForce GT 130 graphics processor with 512MB of GDDR3 memory or ATI Radeon HD 4850 graphics processor with 512MB of GDDR3 memory
micro controller contain system on chip memory, timers,counters where as a micro processor doesn't contain all these
The main features are: Intel Pentium III processor, 128MB of memory and PCI integrated graphics controller. Compaq Proliant 1600 is not very powerful.
memory cache
It is integrated with Processor itself. Also called Cache Memory.
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