Show the average cost of a course with no prerequisites (1195)
What will be an ideal response?
```
SELECT AVG(cost) "Average Cost"
FROM course
WHERE prerequisite IS NULL
```
Computer Science & Information Technology
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15 16 You have a server-side script that cannot handle any ampersands (&) in the form data. Write a function that converts all ampersands in a form field to “and” when the field loses focus (ONBLUR).
What will be an ideal response?
Computer Science & Information Technology
The ____ workspace displays panels for working with type.
a. Text b. Motion c. Typography d. Essentials
Computer Science & Information Technology
Pressing CTRL-SHIFT-ESC will open Windows _______________.
Fill in the blank(s) with the appropriate word(s).
Computer Science & Information Technology
What is the fastest, most expensive memory in your computer?
A. registers B. L1 cache C. RAM D. Graphics memory
Computer Science & Information Technology