Enter key sends cursor to beginning of next line or executes commands. Most PC keyboards have two Enter keys: one above Shift, one on numeric pad. Apple keyboards have separate Return and Enter keys. Chromebooks have Enter key in same location as PC keyboards
Keyboard can be used when mouse stops working. Tab moves between options, arrow keys navigate sub-menus. Menu key or Shift+F10 opens right-click context menu. Backspace returns to previous page
Delete key typically appears as "Delete" or "Del" on IBM-compatible keyboards. Some Apple keyboards use both "Delete" and "Backspace" keys. On laptops, Delete key may be located near right-hand end. On compact keyboards, Delete replaces Backspace with Fn+Delete
Click File menu and select Print. Choose printer from drop-down menu. Select number of copies to print. Choose which pages to print. Set paper size and orientation
Keyboard and mouse are basic computer peripherals. Keyboard users may need right click before replacing mouse. Keyboard users can operate faster with shortcuts. Keyboard use is less stressful on wrists
Insert key switches between overtype and insert modes in text input. Located in upper right corner of keyboard, above Delete key. Can be used for copy/paste in Windows and Linux programs