You disassemble and reassemble a desktop computer. when you first turn it on, you see no lights and hear no sounds. nothing appears on the monitor screen. what is the most likely cause of the problem? explain your answer. a. a memory module is not seated properly in a memory slot. b. you forgot to plug up the monitor's external power cord. c. a wire in the case is obstructing a fan. d. power cords to the motherboard are not connected

Option d power cords to the motherboard are not connected

Explanation:

A motherboard is a hardware attached to many components inside the computer such as central processing unit (CPU), memories and peripherals. If the power cords to the motherboard are not connected, there is no way the computer can start and boot the operating system even though the power supply is turned on.

The rest of the options are not true as the computer will still be turned on even if one of those cases happens in reality.

a  social news website  is an  internet  website  that features  user-posted stories. such stories are ranked based on popularity, as voted on by other users of the site or by website administrators. users typically comment online on the news posts and these comments may also be ranked in popularity. since their emergence with the birth of  web 2.0, social news sites have been used to link many types of information, including news, humor, support, and discussion. all such websites allow the users to submit content and each site differs in how the content is moderated. on the  slashdot  and  fark  websites,  administrators  decide which articles are selected for the front page. on  reddit  and  digg, the articles that get the most votes from the community of users will make it to the front page. many social news websites also feature an online comment system, where users discuss the issues raised in an article. some of these sites have also applied their voting system to the comments, so that the most popular comments are displayed first. some social news websites also have a  social networking  function, in that users can set up a user profile and follow other users' online activity on the website.

an online, unmoderated testing tool, chalkmark lets you test findability in a web application design. chalkmark gives participants a task such as find special offers on cruises and presents a screenshot. the online licensure verification system (ovs) is a web-based application that electronically receives and fulfills requests to verify health professional credentials issued by linked boards to medical boards and third parties.

explanation: