It is not surprising that the interactivity affects radio and its applications. Besides, after radio began its first broadcasting, new inventions affected its development two ways: 1) the first one was the technological developments of sciences. For instance, the invention of transistors made it possible to create very small radio machines, and…

In a fundamental computer-programming course, such as CSE101, questions about how to evaluate an arithmetic expression are frequently used to check if our students know the rules of precedence. The author uses two of our final examination questions to show that more knowledge of computer science is needed to answer them correctly. Furthermore,…

A popular design in large-scale educational assessments is the balanced incomplete block design. The design assumes that the item pool is split into a set of blocks of items that are assigned to assessment booklets. This paper shows how the technique of 0-1 linear programming can be used to calculate a balanced incomplete block design. Several…

This digest provides an overview of XML (Extensible Markup Language), a markup language used to construct World Wide Web pages. Topics addressed include: (1) definition of a markup language, including comparison of XML with SGML (Standard Generalized Markup Language) and HTML (HyperText Markup Language); (2) how XML works, including sample tags,…

Following a content analysis, 85 children's programs were assigned a pacing index derived from the following criteria: (1) frequency of camera cuts; (2) frequency of related scene changes; (3) frequency of unrelated scene changes; (4) frequency of auditory changes; (5) percentage of active motion; (6) percentage of active talking; and (7)…

Examines factors that may influence future ties between television networks and their affiliate stations. Surveys by mail affiliate general managers for the three commercial networks, asking programming questions and questions about level of loyalty to the networks. Finds that organization factors appear to be more essential in network-affiliate…

Describes Document Style Semantics and Specification Language (DSSSL), an international standard for the formatting and processing of SGML documents. Outlines DSSSL structure as the key to enabling interchange of formatting information in a standardized non-proprietary format, the processing model, areas of standardization, and DSSSL language.…

Finds that stations in smaller television markets devoted less time to news than those in larger markets, and imported a greater proportion of their news content; imported news supplants strictly local news in these markets; and smaller-market stations imported a greater proportion of sensational/human interest news than they originated locally.…

Discusses the need for people with object-oriented (OO) skills, explains benefits of OO in software development, and addresses some of the difficulties in teaching OO. Topics include the evolution of programming languages; differences between OO and traditional approaches; differences from data modeling; and Unified Modeling Language (UML) and…

Describes how to modify old QBASIC programs to run in visual Basic. (NB)

The television technology program at Birchland Park Middle School in Massachusetts is a multimedia exploratory course that shows the interaction of technology and daily lives. (JOW)

Reviews the involvement of various television networks in distance learning, including public broadcasting stations, Cable in the Classroom, Arts and Entertainment Network, Black Entertainment Television, C-SPAN, CNN (Cable News Network), The Discovery Channel, The Learning Channel, Mind Extension University, The Weather Channel, National Teacher…

Explains the use of a standard text-based database program (i.e., dBase III) to run external programs that display graphic files during a database session and reduces costs normally encountered when preparing a computer to run a graphical database. An example is given of a simple database with two fields. (LRW)

Describes how to assemble a functional, cost-effective multimedia production workstation in the Microsoft Windows environment. Recommendations for the selection of various components of the workstation are given, including computer requirements, sound card, video capture card, and authoring system. (LRW)

Concludes that where there are sweeps periods, there may or may not be more sex, depending on which network is analyzed. Notes that ABC cut its number of sexual behaviors per hour by almost half, while Fox more than doubled its rate per hour. (SR)