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.
As soon as you turn the computer off, the data stored in RAM disappears. When you turn your computer on again, your computer's boot firmware (called BIOS on a PC) uses instructions stored semi-permanently in ROM chips to read your operating system and related files from the disk and load them back into RAM.