Revision Cards - Computer Science 0.0 / 5 ? ComputingComputer systemsGCSEEdexcel Created by: HingesCreated on: 13-08-20 16:11 Hardware A physical component that makes a computer system 1 of 12 Software Any program or application that can run on a computer 2 of 12 Embedded system computer systems built into another device 3 of 12 What does ALU stand for? Arithmetic Logic Unit 4 of 12 What tiers of storage are there? Primary storage and secondary storage 5 of 12 What is a primary storage Refe that the CPU can access very quicklyrs to the memory storage areas 6 of 12 What is secondary storage It is where all the data and files are stored when not in use 7 of 12 Is primary storage volatile or non-volatile? Volatile, because keeps data currently in use is in memory 8 of 12 Is secondary storage volatile or non-volatile Non-volatile, as it stores data when not in use 9 of 12 What is meant by a single core processor to have "a clock speed of 3GHz" It means that the computer can perform 3GHz instructions per second 10 of 12 What is the purpose of RAM To hold any data currently in use 11 of 12 What is control system? Control Unit is in overall control of the CPU 12 of 12
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