Microwaves are a form of electromagnetic radiation; that is, they are waves of electrical and magnetic energy moving together through space. Electromagnetic radiation spans a broad spectrum from very long radio waves to very short gamma rays.
A MB, which is an abbreviation for a megabyte, is bigger than a KB, which is an abbreviation for a kilobyte. A megabyte is commonly understood to be equivalent to one million bytes, where a byte is equal to eight bits. Where as, a kilobyte consists of one thousand bytes. Continue Reading. A megabyte is one thousand times larger than a kilobyte.
These are computer measurements of the size of a folder, file, hard drive, etc. It also makes a difference if the B is in capital or small letters. A capitalized B means bytes, a small b means bits, so MB = megabytes and Mb = megabits. 1  A bit is a binary digit. 2  A byte is 8 bits. 3  A kilobyte (kB) is 1,000 bytes.