The control bus is used to transmit command and control signals between the CPU and system components. During the execution of an instruction that saves data back to RAM (such as a store operation), a specific control signal is transmitted.
Identify the signal that is used to initiate this transfer of data into memory.
Memory read signal
Memory write signal
Bus grant signal
Clock signal
33 exam-style questions on Edexcel IGCSE Computer Science Hardware. Each one has a worked solution and a mark scheme showing where the marks go.