When working with a relational database, listing the primary keys in a combo box lets the end user enter the correct values from the related table

To search for a three-digit number that starts with "75" you would enter ________

A) 75? B) 75# C) 75* D) 75!

When using iPads, iPhones, and iPods, using apps that were not downloaded from the official iTunes App Store requires an unauthorized change to the device's software called a(n) ____.

A. extract B. break-in C. jailbreak D. hack