You use a(n) ____ diagram when you want to focus on a system's hardware.

The data in a file are normally accessed one __________ at a time.

a. field b. character c. record d. data element

_____ serves as a clearinghouse for information on new viruses, worms, and other computer security topics.

a. United States Computer Emergency Readiness Team (US-CERT) b. United States Computer Query Emergency Team (US-CQET) c. United States Computer Emergency Encryption Team (US-CEET) d. United States Computer Emergency Authority Team (US-CEAT)