More recently introduced terms such as 'annually laminated' are synonymous with varve. Of the many rhythmites in the geological record, varves are one of the most important and illuminating in studies of past climate change. Varves are amongst the smallest-scale events recognised in stratigraphy.
Computer Randomly Shuts Down: Possible Reasons. If your laptop or computer shuts down by itself randomly, then there can be many possible reasons for it. Knowing the problems due to which your PC keeps shutting down frequently will help you deal with them accordingly. Reason #1: Virus Infiltration.
Report Abuse. The proper way is to select Shut Down and wait. The main reason is that if you unplug it, the Hard drive of the computer may go bad because its in working state when you pull the plug. Also, there can be problems like Windows crashing, Blue screen messages. Please do not pull the plug directly.