posed is whether the user 39 s password was just entered on line 6 again the user responds by typing a y or an n and decision block 24 in fig6 tests for the user 39 s response if the response is affirmative the host password prompt is moved to the teach array position 3 as indicated in block 25 and the password switch is set on as indicated in block 26 the process then continues to block 27 on the other hand if the test in decision block 24 is negative the process jumps directly to block 27 in block 27 the program moves to line 9 of the display screen shown in fig1 and waits for the user response to the displayed question as shown in the illustrative example of fig1 the question asked by the program is whether log on is complete again the user may respond with a y or an n decision block 28 in fig7 tests for the user 39 s response if log on is complete as indicated by the user typing a y then the program moves to line 10 of the display screen shown in fig1 as indicated by block 29 this line prompts the user to enter his or her log off command and when this is done the program goes to block 33 in fig9 on the other hand if the test in decision block 28 is negative the program goes to decision block 30 in.