Computer hardware 0.0 / 5 ? ICTComputer hardwareGCSECCEA Created by: ben clements655Created on: 12-03-18 11:15 What is hardware physical components of the computer 1 of 10 What is the ALU It is the arithmetic logic unit 2 of 10 What does the ALU do It carries out all of the arithmetic and logical operrations 3 of 10 What does the control unit do` It uses electrical signals to control the flow of data within the CPU 4 of 10 What does the CPU's speed depend on? The clock speed, cache memory and the number of pocessors cores 5 of 10 What is the clock speed measured in? Hertz 6 of 10 What are processors speeds measured in gigahertz 7 of 10 What is RAM? Random access memory 8 of 10 What is ROM? Read only memory 9 of 10 State the fetch execute cycle Fetch an instruction from memory, decode the instruction to find out what processing to do, execute the instruction 10 of 10
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