01 Computer Architecture

Which of the following is a component of the CPU?

• Arithmetic and logic unit

• Control Unit

• Cache memory

• All of the above

What are the main components of a computer in von Neumann architecture?

• Processor and input-output devices

• Processor, Memory unit and input-output devices

• CPU, monitor, keyboard and mouse

• CPU, monitor, keyboard, mouse, speakers and microphone

What is the function of a bus?

• Connects the components of a computer

• Transmits data, address and control signals between the components of computer

• Both A and B

Which of the following bus is unidirectional?

• Address bus

• Control bus

• Data bus

What is the function of a control bus?

• Transmits timing, status signals and commands between processor, memory and I/O devices.

• Controls the amount of data to be stored in memory.

• Controls the amount of data transmitted between the processor, memory and input-output devices.

• Controls the size of cache storage

The address bus transmits the address of an instruction from the processor to ...

What is a register?

• High-speed data storage area within the CPU in the computer.

• High-speed data storage area that stores one bit within the CPU in a computer.

• A storage area that is allocated to store the address of data.

• A storage area that stores frequently used data and instructions.

What type of signal(s) is transmitted between the processor and input-output devices (in both directions)?

• Control signals

• Data signals

• Address signals

• Control and data signals

• Data, control and address signals

What is the function of Memory Address Register (MAR)?

• Stores the data for read/write operations.

• Stores the address of the data for read/write operations.

• Stores the sum of two bits when they are added.

• Stores the address of the next instruction

What is the function of the program counter?

• PC contains the next instruction to be executed.

• PC contains the instruction that is executed currently.

• PC contains the address of the next instruction that is to be executed.