Computer networks are useful because they

a. are free to use.

b. are protected from computer viruses.

c. allow people in different locations to share information and software.

d. do not require telephone lines or wires.

Whatare the four types of loops (NOT language statements, likewhile), and what distinguishes them from eachother?

Why is the radial gradient type a good choice for the grapes?

Assume that a variable named $currentRecord has already been used to read a line of text from a file and contains the string "Chris:Smith:2005".

What are the two basic classes of active directory objects?

Effective resource management: a. Locks out unauthorized access and can work to prevent changes to resources by internal users not qualified or authorized to have access. b.

What is k'nex? I read it in my PDF for write it, do it for the science Olympiad. Anyone else in it?

Choose the two correct definitions. A. Latency: a measure of bit rate - the amount of data (measured in bits) that can be sent in a fixed amount of time. B.

You manage a small LAN for a branch office. The branch office has three file servers and few client workstations. You want to use Ethernet device and offer guaranteed bandwidth to each server. How should you design the network?

The technology that contributed to digital cameras came from spy satellites used during the cold war

Explain what is a database schema and mention one example