CPU speed

CPU speed is influenced by three main factors:

1. Internal speed (Internal Bus): that is in the market known as the CPU speed. Speed of 1GHz, 2Ghz and so refers to the speed inetrernal. The higher the data is processed cepatlah

2. Speed external (External bus): the external CPU speed should be supported with the speed of the motherboard. He is also known as Front Bus. If an external bus to the CPU is 400MHz and the motherboard must have the same bus speed. Bus Ekternal different among the different CPUs. The high-speed external bus then increased computer performance. Internal Bus diibaratkan be like 10 lane highway, when the External Bus lane road is a highway exit is only has 2 lane. Despite a large lajunya or kederaan in the highway, when the column came out kenderaan congestion occurs. Imagine if only one row alley alley, then kesesakkan will apply not only dilorong will even strip out the highway will be a big bottleneck. So is the need to have a large external bus to ensure no congestion will occur. From the table below can be seen that have a Pentium IV External Bus speed is 400MHz, so the high-533MHz. So surely CPU Pentium IV into the right option for the user to the computer speed.

3. Cache memory capacity (Cache Memory)
The greater capacity of the cache memory of the CPU's ability as a whole will increase. The main function of the cache memory is to store the processed data has been processed by the CPU. If there are processing the same data, the CPU does not need to process from the beginning of the processed data. Cache also functions as penimbal (buffer) between the CPU with main memory cache for faster speeds. As an example that shows the cache function play an important role in the ability of the computer. Try the operating system (operating system) Windows 98 with the L1 cache memory (internal cache) and L2 (external cache) is disabled. The installation time will take at least 3 hours before proportionate cache memory to take time off only 45 minit. This is because each file in the form of a cab (cabinet), namely the file has be (compress). The first file is opened a bit slow because the need to know how to uncompress files, and so the CPU does not need to learn how to uncompress the already available are stored in the cache memory. If the cache memory is turned off then any of the files, the CPU is forced to process from the beginning how to uncompress the file. CPU AMD Athlon and Intel Pentium IV External capacity have the same cache. Therefore, the choice of Intel Pentium IV is more suitable for internal and external speed Pentium IV more at very high now.