Hardware

Explain the role of a CPU in a computer system and explain why a computer system cannot function without one.

Answer the following questions, entering a single correctly spelt answer into each input box.

Explain how an Office Worker at an Office Desk is like the CPU and RAM in a computer.

Describe the events (describing each of the steps 1, 2 and 3) that take place when you press the ‘Enter Key’ on the keyboard when you want to go onto a new line in a WORD document.

Describe the events (description for each of the steps 1, 2, 3 and 4) that take place when you double click on an icon to open a program.

1) Identify the computer hardware labelled ‘D’. 2) Provide an explanation of what the piece of hardware does in the computer.

1) Identify the computer hardware labelled ‘C’. 2) Provide an explanation of what the piece of hardware does in the computer.

1) Identify the computer hardware labelled ‘B’. 2) Provide an explanation of what the piece of hardware does in the computer.

1) Identify the computer hardware labelled ‘A’. 2) Provide an explanation of what the piece of hardware does in the computer.

Explain the difference between an input device and an output device. Provide examples of input and output devices of a PC to support your work.