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.
If you need to take a GRE Subject Test, make sure you schedule this test at least 6 weeks in advance. These tests are only given in November, December, and April. Plan ahead in case you need to re-take this test. Take the GRE when you have prepared and are confident in your ability to do well.