Fundamentals of Architecture and Organisation

Which of the following is not an internal hardware component of a computer?

• Main memory

• Control bus

• Keyboard

• Processor

Where are machine code instructions stored in a computer system prior to an initial fetch?

• Cache memory

• Secondary storage devices

• Address bus

• Main memory

What is the role of the control unit in a processor?

• Perform arithmetic and logical operations

• Control the flow of data within the processor

• Manage the clock speed

• Store the current instruction

Which stage of the Fetch-Execute cycle involves interpreting the opcode and operands of an instruction?

• Fetch

• Decode

• Halt

• Execute

What does the processor instruction set consist of?

• Opcode and operands

• Address bus and data bus

• Control unit and clock

• Main memory and I/O controllers

What is the addressing mode where the operand is the address of the datum?

• Indirect addressing

• Immediate addressing

• Direct addressing

• Indexed addressing

Which of the following is a basic machine-code operation?

• Print

• Copy

• Pause

• Halt

What is the role of interrupts in a processor?

• Temporarily suspend the current operation

• Pause the current instruction

• Halt the processor

• Speed up the Fetch-Execute cycle

Which factor affects processor performance by allowing multiple tasks to be executed simultaneously?

• Multiple cores

• Word length

• Clock speed

• Cache memory

What is the main purpose of a barcode reader?

• Store data

• Read and input data

• Print documents

• Capture images