Show that nand is functionally complete, i. e.: a) xy = (x↑y) ↑ (x↑y) b) x = (x1x)

If you arrive at the same time as another user straight across from you yield if a. they flash your headlights at you b. you can’t see their turn signals c. you’re going street and they’re running d. you’re turning they’re going straight plz

1. which of the following statements are true about routers and routing on the internet. choose two answers. a. protocols ensure that a single path between two computers is established before sending packets over it. b. routers are hierarchical and the "root" router is responsible for communicating to sub-routers the best paths for them to route internet traffic. c. a packet traveling between two computers on the internet may be rerouted many times along the way or even lost or "dropped". d. routers act independently and route packets as they see fit.

Take a critical look at three gui applications you have used—for example, a spreadsheet, a word-processing program, and a game. describe how well each conforms to the gui design guidelines listed in this chapter.