1 Type A is the most popular. This connector can be identified by its 19 pins on the male head. Type A is compatible with single-link DVI-D connections.  Type B is larger than Type A, coming in at 29 pins on the male head.
Many people don't need to file a tax return. If you have no income, you typically aren't required to file a tax return. But many people choose to do so anyway.You may need to file a return to qualify for federal financial aid or other government programs.If you pay for college, you may want to file a return to claim education credits.Or you may simply be one of those people who likes to dot every i and cross every t.. Regardless of your reason, filing an tax return with no income is a fairly easy process.any people don't need to file a tax return. If you have no income, you typically aren't required to file a tax return. But many people choose to do so anyway.
Other Reasons to File a Tax Return. Regardless of your gross income, you are generally required to file an income tax return if any of the following are true: 1  You had net self-employment income of $400 or more. 2  You had unemployment income.3  You owe Alternative Minimum Tax.4  You owe household employment taxes.here are several reasons why you may want to file or efile a tax return even if you do not meet the minimum income requirements: 1  If you had taxes withheld from your pay, you must file a tax return to receive a tax refund. 2  If you qualify, you must file a return to receive the refundable Earned Income Tax Credit.