Alex works at his computer for several hours a day. he is careful to sit up straight at the computer with his feet on the floor and to keep his muscles relaxed, and stays off his computer after 6 p. m. for what kind of computer-related health problems is alex still at risk?

a. musculoskeletal problems
b. vision problems
c. sleep problems
d. headaches

what is one way to avoid computer related health problems?
a. always use a track pad instead of a mouse.
b. position your computer so it faces a window.
c. look closely at the screen at all times to maintain your concentration level.
d. take frequent breaks that include moving around and stretching.

What is force? what are the types of force ? explain all with suitable examples

Wich technology can a website use to allow you to listen to a concert live over the internet?

1. web and mobile applications allow users to be actively engaged in an online activity. a true b false 2. some examples of business applications purposes are to collaborate, share files, meet virtually in real-time, and accept payments. a true b false 3. an education application would most likely do which of the following? a allow users to watch popular movies and tv shows b connect users with social and business contacts c confirm users' travel plans d teach users a new language 4. a uniform resource locator (url) is how the internet knows where to take users when an address is typed into a browser. a true b false 5. deon is required to provide the citation information for his sources. what type of information should he collect from his sources? a author name, title, date of publication, date of access, url b connections to background information c interesting facts and statistics d notes on important information