When you get an account on this website does it make you pay monthly? just out of curiosity

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?

Setting up a home network using wireless connections is creating a a. vpn b. lan c. wan d. mini-internet

If the average computer chip had 1,200 transistors per square inch in 1970, approximately how many transistors per square inch would one have in 1976? use moore's law to calculate your answer