Need help with 4.7 lesson practice

Jessie has received a contract to build a real-time application for a baker. however, the baker doesn't want to invest too much money. his only requirement is that he wants the customers to know which cupcakes are available at what time and in what quantity. so his core requirement is that the details of product should be in real time. what platform can jessie use to develop this application?

Pl i need the answer now ! which one of the following is considered a peripheral? a software b mouse c usb connector d motherboard

Which type of cell references are locked and not automatically updated when it’s copied a)formula b)relative c)absolute d)worksheet