The chemical symbol H represents which of the following elements?

A.

nitrogen

B.

oxygen

C.

helium

D.

hydrogen

Is regular Facebook use healthy? Why or why not?

What were thomas edison's contributions to advances in technology?

A company has a network address of 192.168.1.64 with a subnet mask of 255.255.255.192. The company wants to create two subnetworks that would contain 10 hosts and 18 hosts respectively. Which two networks would achieve that?

What is the maximum number of simultaneous connections that can be in progress at any one time in this network? b. Suppose that all connections are between switches A and C.

Websites that group individuals and organizations into clusters or groups based on some sort are considered to be what type of networks?

How would you classify the earliest historical examples of STEM discoveries provided in this lesson? scientific discoveries technological discoveries engineering discoveries mathematical discoveries

Oliver wants to send a report to his boss discussing the upcoming project. Which communication facility would he use to send a formal message to his boss? email chat forum blog

What does a barcode reader emit to identify bar codes? A. electric pulse B. magnetic pulse sound D. E. light electromagnetic pulse

Which of these converts analog audio signals into digital codes in a computer? A. audio card B. microphone C. sensor D. sound card E. NextReset

There are ways to perform computer commands quickly and multiple times. a. True b. False