How can a minimal operator action goal achieved?

What will be an ideal response?

A. Entering codes instead of code meanings.
B. Entering only data that is not stored on files.
C. Not requiring users to enter editing characters.
D. Supplying default values on entry screens.
E. Providing inquiry programs with short entry fields.
F. Providing keystrokes for selecting menu options that are normally selected using a mouse.
G. Selecting codes from a pull-down menu on a G U I screen.
H. Using radio buttons and drop-down lists to control displays of new Web pages or to change Web forms.
I. Providing cursor control for Web forms and other displays so that the cursor moves to the next field when the right number of characters has been entered.