Computer Science · May / June 2018 · Paper 11 · Question 5
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Six components of the Von Neumann model for a computer system and six descriptions are given. Draw a line to match each component to the most suitable description. Component Immediate access store (IAS) Register Accumulator (ACC) Bus Control unit (CU) Arithmetic logic unit (ALU) Description Holds data and instructions when they are loaded from main memory and are waiting to be processed. Holds data temporarily that is currently being used in a calculation. Manages the flow of data and interaction between the components of the processor. Pathway for transmitting data and instructions. Holds data or instructions temporarily when they are being processed. Carries out the calculations on data. [5]
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