CPU Study Sheet What is a CPU? • CPU stands for central processing unit • It sends out instructions given to the computer • A CPU is a small square that fits into the motherboard Role of the CPU • Moving data – The CPU spends time moving data to one place in memory to another. • Multitasking – The CPU is constantly switching to several dozen programs running on your PC. • Calculations – A CPU performs basic arithmetic such as addition, subtraction, multiplication and division at very high speeds. Factors/Features to look out for: • Find out what you’re going to do with your computer • Companies • Cores • Class • Performance (GHz) • 32-bit vs 64-bit • Cooling System Prices: The average price for a CPU is $150
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