The choice of medium determines how many pictures can be taken before they must be transferred to the computer. It is usually possible to carry extra memory, like carrying extra film, but that can be expensive. Finally, find out how pictures are transferred to the computer. Older cameras used the computer's serial port, printer port, or floppy disk drive. Transfers will be quicker.
Digital photography is a whole new world.
Pictures can be cropped, edited, and improved by software. Pretty good prints can be made on glossy paper by ink jet printer. Quickie prints can be made in black and white. Pictures can be posted on Web sites or sent by E-mail to friends and relations. There are those who say digital photographs do not have the presence of film pictures.