Explain the function of the CPU, identify the object in Figure 2, explain how to access QR code information, and list three file extensions.

Here are the answers to your computing questions:

*a) The processor, also known as the Central Processing Unit (CPU), is the "brain" of the computer. It executes instructions, performs calculations, and manages the flow of information by processing data from input devices and sending results to output devices.

*b) The image shown in Figure 2 is a QR code (Quick Response code).

*c) To access information from a QR code, a user needs a smartphone or a tablet with a camera and a QR code scanner application. The user opens the app, points the device's camera at the QR code, and the app automatically scans and decodes the information, typically leading to a website, text, or contact details.

*d) Three file extensions are: * i) .docx (for Microsoft Word documents) * ii) .pdf (for Portable Document Format files) * iii) .jpg (for image files)