Computer Science · Oct / Nov 2022 · Paper 13 · Question 7

The paragraph explains how an instruction is processed by the Central Processing Unit (CPU). Complete the paragraph using the list of terms. Not all terms in the list need to be used. • address bus • Arithmetic Logic Unit (ALU) • calculations • data bus • decoded • execute • fetched • interrupt • Memory Address Register (MAR) • Memory Data Register (MDR) • Program Counter (PC) • protocol • ROM • stored An instruction is from RAM into the CPU, where it is temporarily stored in the . The instruction is then sent along the to the Control Unit (CU) to be . The will then perform any and logic operations that are required to the instruction. [7]

Read automatically from the paper; the printed page above is exact.