Match each of the following terms to its related definition:

Backing up a database is important and should be done regularly so that a copy of the original database will be available if you need it to avoid:

A) starting over. B) modifications. C) losing data. D) enabling content.

Certain functions are common to almost all types of input and output. On a microcomputer, they are performed by each interface; in effect, they are duplicated for each device on the system. On larger machines, these common functions are assigned to a __________.

a. control unit b. interface board c. coprocessor d. channel