May exams 0.0 / 5 ? ComputingEverythingGCSEAQA Created by: mackenzie3Created on: 18-05-17 09:57 a laser fired against a discs surface Optical 1 of 11 carries data that is being processed Data bus 2 of 11 Says where data is going Adress bus 3 of 11 Carries data that report the status of devices. Control bus 4 of 11 Is it raining? Am i walking? And gate 5 of 11 Is anyone inside? is anyone outside? OR gate 6 of 11 Is the switch on? Is the switch off? XOR gate 7 of 11 Provides a user inerface. Manages primary memory. Provides security. Functions of a operating system. 8 of 11 Part of the computers harddrive. Virtual memory 9 of 11 Primary memory. Hard to alter. retains info without power. ROM 10 of 11 Primary memory. Easy to alter. loses info without power. RAM 11 of 11
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