Comp Science: component 1 0.0 / 5 ? CymraegComponent 1GCSEOCR Created by: aleks02Created on: 18-03-19 10:09 What does the Program counter (PC) do? Points to next instruction in memory and copies its value to the MAR 1 of 6 What does the Memory address register (MAR) do? Receives memory address from PC and sends it along address bus to memory 2 of 6 What does the Memory data register (MDR) do? instruction and data send along the data bus and stored in the MDR 3 of 6 What does the accumulator do? when the instruction is executed the results are stored here. Holds a running total of the operation currently happening 4 of 6 What does RAM stand for? Random access memory 5 of 6 What is the function of ram Stores instructions and data for programs that are currently in use 6 of 6
TGAU Cymraeg Ail Iath - GCSE Welsh Second Language : Pynciau Ysgol - School Subjects 3.0 / 5 based on 3 ratings
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