Drives refer to the 3.5 inch or 5.25 inch floppy disk or hard disk drives typically available on the microcomputer. They are used to read from, or write to, their respective medium. Format DOS process used to specify the configuration of a floppy or hard disk and to prepare it for receiving electronic information. Frequency distribution or exposure distribution refers to the percentage of the target audience exposed at each frequency level in a media plan. Grid rates typically used in broadcast to show how prices of announcements vary by daypart and preemptive protection, allowing stations to set prices in relation to demand.
Gross impressions total duplicated vehicle or message exposures achieved by a plan.
H Harvey Research Organization, Inc. provides publishers of business publications and their advertisers with recall data for readers and buyers on seeing and reading of advertisements, among other information. Editorial and additional services also are available. Dividing the ratings by HUT will equal the station or network share of audience. In advertising media planning, it is important not to let share and HUT sizes, which are almost always higher than ratings, confuse the critical link between ratings and costs which determines schedule efficiency. IBM stands for International Business Machines Co. which is a major producer of computer products.