OCR GCSE CS -1.1.1b System architecture

Which register stores the address of the next instruction to be executed?

In the LMC, what does the instruction 'SUB' do?

Which part of the CPU directly interacts with the RAM during the Fetch stage?

What does the 'BRA' instruction do in assembly language?

Which component of the CPU stores the memory address from which data will be fetched?

What does the 'HLT' instruction do?

Which component tells the computer's memory and input/output devices how to respond to a program's instructions?

What happens during the Fetch stage of the Fetch-Decode-Execute cycle?

What is the function of the Program Counter (PC)?

Which register stores the address of the next instruction to be executed?

What is the role of the Accumulator?

What is the role of the Control Unit (CU)?

Which component of the CPU is used to store small amounts of data that are needed during processing?

During the Execute stage, which component may perform arithmetic operations?

Which stage of the FDE cycle involves interpreting the binary code of an instruction?

What does the Control Unit (CU) do?

What is the purpose of the CPU?

What happens during the Fetch stage of the Fetch-Decode-Execute cycle?

What is the function of the Program Counter (PC)?

What does the Cache do?

What is stored in the Memory Data Register (MDR)?

What is the function of the Program Counter (PC)?

What does the Control Unit (CU) do?

What is stored in the Memory Data Register (MDR)?

What does the instruction 'BRP' do in assembly language?

Which component of the CPU is used to store small amounts of data that are needed during processing?

Which part of the CPU coordinates the actions of other components?

Which component of the CPU is responsible for executing instructions?

In the LMC, what does the instruction 'SUB' do?

Which part of the CPU directly interacts with the RAM during the Fetch stage?

Which register stores the address of the next instruction to be executed?

What is the primary purpose of registers within the CPU?

What happens to the Program Counter after an instruction is fetched?

What does the Cache do?

What is the purpose of the CPU?

What does the 'STA' instruction do?

Which part of the CPU directly interacts with the RAM during the Fetch stage?

What does the instruction 'BRP' do in assembly language?

What is the role of the instruction register (IR)?

What happens to the Program Counter after an instruction is fetched?

What does the ALU do?

What does the 'HLT' instruction do?

What type of memory is used to store data that is frequently accessed by the CPU?

In the LMC, what does the instruction 'SUB' do?

What does the ALU do?

What does the instruction 'ADD' do in assembly language?

Which component of the CPU is used to store small amounts of data that are needed during processing?

What does the Cache do?

Which component tells the computer's memory and input/output devices how to respond to a program's instructions?

What happens during the Fetch stage of the Fetch-Decode-Execute cycle?

What happens to the Program Counter after an instruction is fetched?

Which component tells the computer's memory and input/output devices how to respond to a program's instructions?

What does the 'OUT' instruction do in assembly language?

What is the function of the 'HLT' instruction in assembly language?

What does the Control Unit (CU) do?

What is stored in the Memory Data Register (MDR)?

What is the purpose of the CPU?

What does the instruction 'BRP' do in assembly language?

What does the ALU do?

What does the 'HLT' instruction do?