In older systems, often the user interface mainly consisted of screens that allowed a user to send commands to the system.
1. network-control
2. process-control
3. quality-control
4. physical-control

You have a small company and want to keep your costs low, but it is important your employees share data. which network would provide you with the most economical solution?

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.

Write a fragment of code that reads in strings from standard input, until end-of-file and prints to standard output the largest value. you may assume there is at least one value. (cascading/streaming logic, basic string processing)