A Trojan horse is a … that appears to do one thing while actually doing something else.

… are often ex-crackers who have decided to use their skills to help other people and make a living.

… are generally responsible for breaking into networks, cracking passwords in websites and programs, and generally causing havoc throughout the Internet.

Storage … are used to provide a more permanent backing store.

The pieces of equipment making up computer system are known as … .

The … system is always present when a computer is running.

Before upgrading, they ____ (not/use) such an advanced database management system. 

Companies ___ (use) to rely on paper-based information systems before digital systems became widely available.

IT departments ___ (use) to manually process data before automation tools were integrated into information systems. 

Data analysts often ____ (compare) information from different databases.