• Establish a post office • Protect public health and safety • Provide an army and a navy • Build roads • Make laws that are necessary and proper to carry out its powers • Spend money for the general welfare • Make copyright laws to protect authors' writings • Decide what units of measure we will use • Issue driver's and marriage licenses • Make rules about trade between states and nations • Conduct elections - Establish local governments - Borrow money • Make rules about business inside a state - Make and enforce laws • Declare war • Use any power the Constitution doesn't give the federal government or der states • Charter banks and corporations •Run public schools Make treaties and deal with foreign countries - Provide police and emergency services • Collect taxes • Print money • Establish courts

What are the inputs to the picture you just sent?

a) How many bits would be needed to store a photo with 256 pixels horizontal and 256 pixels vertical using 64 grey levels? b) How many bits would be needed to store an audio music on a CD that can play for 3 hours?