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.
1 Total Time: The computer-delivered GRE takes 3 hours and 45 minutes for the average student.  Experts recommend sitting for the GRE exam one year prior to entering graduate school. This allows for ample study time and the option to retake it if desired.