In the meantime, many users buy spare batteries to compensate for short battery life. Preferences Notebook keyboards come in a variety of sizes and designs, and buyers should test them for comfort. Many notebooks provide almost full-size keyboards, which are preferable for many tasks. Larger keyboards are sometimes available as peripherals. Pointer preference also varies from one user to another.
Most notebooks come with either a basic trackball or touchpad.
However, some users might not find them comfortable to use. Different types of pointers, such as scrolling or programmable mouse buttons, can be hooked up to notebooks, and a standard mouse can usually be attached to a port. The Graphics, They are a Changin' Users of early notebook computers got very little in the way of sound and graphics. That has changed. Most machines now add a slot for an internal CD-ROM or, more recently, a DVD drive.