CIS 1000 Lecture Notes - Lecture 5: Standard Raid Levels, Microsoft Onenote, Arithmetic Logic Unit

• School: University of Guelph
• Department: Computing and Information Science
• Course: CIS 1000
• Professor: c

Document Summary

Moore"s law: predicts that roughly every two years, transistors in a cpu will double. Central processing unit (cpu): composed of control unit (responsible for manager other components of the computer) and an arithmetic logic unit (alu) (calculations and logical comparisons) Clock speed: determines how many instructions your cpu can execute each second, measured in gigahertz (ghz) Number of cores: each core is capable of processing instructions independently from other cores. Hyper-threading: allows cpu to begin executing an instruction before the previous instruction is finished, effectively allowing it to execute two instructions simultaneously on its own (ex. 1 ghz = 1 billion steps per second. Raid (redundant array of independent disks): set of strategies for storing information on multiple connected storage devices (most common being raid 0 & raid. Raid 0: for speed, splitting files into multiple parts and writes each part to a different disk simultaneously.