Five synchronization methods were covered in class, Blind cycle, Busy-wait, Interrupt, Periodic polling, and DMA. Which of these best matches the characteristics below. a) useful for tasks that need interrupt but no interrupt source exists b) is most wasteful of processor resources c) transfers data from peripheral device without any software assistance d) generates a break in software execution e) checks flag to determine when a task is complete

How might the success of your campaign be affected if you haven’t carefully completed all field data or if you accidentally insert the wrong merge field in the document?

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.

What are the 12 colors of the spectrum called?