An annotation is simply a summary of a book, article, or some other written source. A bibliography is a list of sources on a particular topic. Put together, an annotated bibliography is a list of sources on a topic that offers a summary for each source.
The computer-delivered GREÂ® General Test takes about 3 hours and 45 minutes and consists of three separately timed sections: 1  Verbal Reasoning â There are two 30-minute sections, each containing 20 questions.  Quantitative Reasoning â There are two 35-minute sections, each containing 20 questions.
You can take the computer-delivered GREÂ® General Test once every 21 days, and up to five times within any continuous 12-month period. This applies even if you canceled your scores on a test taken previously. You can take the paper-delivered GREÂ® General Test as often as it is offered.