Although it is practically a foregone conclusion that any current depiction of a power drill is of the cordless variety, drills that plug into a wall socket are by no means dead. Because they have no battery, there is no concern about charging before use. Also, there is a limit to how powerful a cordless drill can be without sacrificing portability. A corded drill, on the other hand, can be made as powerful as the user is capable of controlling.
Decide what sort of chores you need to perform with your drill. This will determine which features it requires and how powerful it needs to be.
Choose between a 3/8" or 1/2" chuck. A drill with a 3/8" chuck is cheaper and operates at a higher RPM, but doesn't have as much power as a 1/2" drill.
Go to your local hardware or home improvement store and look at the drills they have in stock. Compare features, and narrow your choices to two or three that meet your needs.
Ask a salesperson to plug in the display models of your top choices so you can see them in operation. If this is not possible or you are still undecided, make a note of the make and model of your top choices so you can search the Internet for specific reviews.
Buy the drill of your choice, and any accessories that may be necessary to perform your particular chores.