yes
Alt + Tab
Alt - Tab. In other words, hold down the Alt key and press the Tab key to switch.
If you are using Windows operating system, then hold "Alt" and hit "Tab". In W7 and Vista, you can use "Windows special key" and "Tab" WIN+TAB or ALT+TAB
Press Alt, then Tab to switch between two open programs, if you have more than two programs open, it will toggle you to the last program you clicked on, to toggle to a different window, hold down Alt, then keep pressing Tab until you arrive at the desired program.
The key above the Tab key on a standard keyboard is typically the "Caps Lock" key. This key is used to toggle uppercase letters on and off, allowing users to type in all capital letters without holding down the Shift key. In some keyboard layouts, it may also serve other functions, but its primary purpose is for capitalization.
Press Tab! :D
Alt + Tab on Windows or Command + Tab on Mac can be used to toggle between two active programs. It allows for quick switching between open applications.
Overtype
A toggle key is a key on a keyboard that switches between two states, typically on and off. Examples of toggle keys include the Caps Lock key and the Num Lock key. When pressed once, the key will activate a state, and pressing it again will deactivate that state.
Hit the escape button and go to the Keybindings menu. Find the option that says "Toggle Run" or "Toggle Walk/Run" and bind a key to it which you have available. From then on, that key will toggle Walk/Run instead of the / key.
Unfortunately, no, you cannot toggle between ask and answer without using the mouse. The answer tab is a different Tab completely from the Ask tab, and the tabs are meant to be hit with a mouse. Since you are on a computer, it is expected you have a mouse that comes with it, and you are expected to use a mouse with WikiAnswers.
The TAB key.