1.1 - Systems Architecture 0.0 / 5 ? ComputingComputer systemsThe CPUGCSEOCR Created by: hollybollybingbongCreated on: 05-11-20 15:40 What is a computer system? A computer system takes a set of digital inputs, processes them, and creates a set of outputs. 1 of 13 What are some examples of input devices? Keyboard, webcam, mouse, touchscreen, heat sensor. 2 of 13 What is hardware? Hardware is the word used to describe physical parts of a computer system. 3 of 13 Where does processing take place? The CPU 4 of 13 What are some examples of output devices? Monitor, Printer, Speaker, LED lights 5 of 13 Where can data be stored if it isn't needed? RAM, secondary storage, hard disk 6 of 13 What buses are there? Data bus, Address bus, Control bus 7 of 13 What do these buses do? Address - carries information on where the data needs to go Data - carries the actual data Control - Carries signals to control various components 8 of 13 What is an embedded computer? A computer designed with a specific task in mind. 9 of 13 What is an example of an embedded computer? Smart phone, dishwasher, washing machine, microwave, lift, traffic lights 10 of 13 What are some advantages of it? - Small, less space needed - Easier to replace - Use less power - More reliable - Cheaper - More efficient 11 of 13 What are some disadvantages of it? - Need special skills to build them - Have to replace the whole system if it breaks - Have to go to a specialist to supply/repair it 12 of 13 What is the purpose of the CPU? To process data. 13 of 13
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