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Video Summary

In: Computers and Technology

Submitted By CMfashionable
Words 317
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1.05-Central Processing Unit (CPU)
Video Summary #3_NT1110_Computer Structure and Logic
April 17, 2014

Abstract
In the video “1.05- CPU” I learned that there are two major manufacturers of CPU and they are Intel and AMD. CPU’s are organized by the motherboard system bus carries information into and out of the CPU. In the system bus the CPU is referred to as the Front side bus and usually uses a 64-bit wide data path. Inside the CPU there are controllers that manage basic functions of the CPU and control communication between the motherboard and other components within the CPU. The other components include one or more ALUs and the internal cache. An ALU is responsible for complex calculations. Communication between the controller and the ALUs uses a 32-bit internal bus. The bus system that supports the communication between the cache and the ALUs controller is the backside bus. The CPU speed is measured in GHz. There are several ways of measuring speed. The speeds differ inside and outside the processor. System bus speed is measure in MHz . The system bus speed is the actual factor that will control the speed of your computer. The ratio between processor and system bus is known as the multiplier. In older setting you may have to configure the multiplier in the CMOS setting. Multiprocessing is the ability to perform multiple functions simultaneously. True Multiprocessing requires multiple processors. Dual Core processors is another way of multiprocessing. Cache uses SRAM while the rest of the system uses DRAM. Three types of cache is L1 cache,L2 cache, and L3 cache. Two most common sockets are LGA 775 (Intel) and Socket 754 (AMD). ZIF (Zero Insertion Force) is a lever used to lock CPU into socket without damaging it. Check system temperature in CMOS setting. Use a thermal compound, a heat sink, or a CPU fan to control heat.

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