What type of tool can you use to update time-sensitive content automatically, such as a calendar or the weather?

Given the following pseudocode, what value of GRADENUM must be input to output a grade of “C”?

``` Start Read GRADENUM CASENTRY GRADENUM CASE 90 ? GRADENUM ? 100 GRADE = “A’ CASE 80 ? GRADENUM < 90 GRADE = “B’ CASE 70 ? GRADENUM < 80 GRADE = “C’ CASE 60 ? GRADENUM < 70 GRADE = “D’ CASE other GRADE = “F” ENDCASE Write GRADE Stop ``` a) 70 or more b) 79 or less c) 80 or less d) none of the above

The HARDWARE INVENTORY LISTING shows all personal computers, sorted by campus and room.

What will be an ideal response?