Then 1024 kilobytes make up one megabyte. 1024 megabytes make up one gigabyte, and 1024 gigabytes make up one terabyte. A JPG file used to store a photo would be a few megabytes. The capacity of a DVD is a couple of gigabytes and an HD video can have a file size of few gigabytes.egabyte vs Gigabyte vs Terabyte. Difference between megabyte gigabyte and terabyte is a basic computer knowledge. Bit is the most basic and smallest storage unit in computing. A bit can store only whether it is 1 or 0.
Things to toss after seven years (or when you know you wonât need them any longer for taxes): 1  Child-care records. 2  Flexible-spending account documentation. 3  401(k) and retirement plan year-end statements.  IRA 1  contributions. Purchase records for investments.  Records of charitable 1  donations. Records on houses youâve  sold.
Still, you'd be surprised at how much you can safely discard. Here is what you should keep and how long you should keep it. Three Years. Keep your federal and state income tax returns and related receipts and statements for at least three years. If you are audited, the IRS reserves the right to review tax returns filed during what is known as the period of limitations, which is generally the past three years from the date you filed your most recent tax returns.