In a world of not many sure things, a certificate of deposit is a rarity. You can store money in it, helping you earn a guaranteed return on investment. And they’re perfect for short-term goals. Need ...

"Lossless" and "lossy" are both types of compression. A zipped file is lossless, because when you unzip it, every original bit is still there from the original file. A JPEG, however, is a "lossy" file ...