How to format the interactive and multimedia CD-ROM?

As used of CD-ROMs has burgeoned so has the vocabulary, creating difficulty for consumers much of this confusion arises in conjunction with the words interactive and multimedia.
As we mentioned at the beginning of the chapter, interactive means that the user controls the direction of a program or presentation on the storage medium. That is there is back-and-forth interaction, as between a player and a video game. You could create an interactive production of your own on a regular 3 ½ inch diskette. However because of its limited capacity, you would not be able to present full-motion video and high-quality audio. The best interactive storage media are those with high capacity such as CD-ROMs.

Multimedia refers to technology that presents information in more than one medium, including text, graphics, animation, video, sound, and voice.

There are perhaps 20 different CD-ROM formats some of which work on computers and some of which work only on TVs or special monitors. Most are not mutually compatible right now. The majority of nongame CD-ROM disks at available for macintosh or for windows or DOS based microcomputers. Among the kinds or variations on CD-ROM technology used for interactive and multimedia purposes are the following;


Game CD-ROM: Both saga and 3DO offer video game machines that play their own types or CD-ROM disks. (Nintendo is sticking with cartridges for the moment.)

CD I: CD-I for compact disk-interactive, is a disk format that stores data, audio, still video pictures, and sony corp. of America, CD-I IS mainly used for home entertainment, including interactive games and educational and reference uses. The CD-I drive is connected to a television set and a remote control can be used to interact with the program. A CD-I disk will not play on a CD-ROM player.

Philips touts its CDI system as being useful not only for games, music, and photo CDs but also for video CDs are compact disks that contain movies or music videos. At present, video CDs have several limitations. They can be played only on properly equipped Philips or Magnavox CD-I systems, are visually no better than VHS (and inferior in quality disk) can’t be recorded on and require two CDs to hold a movie.

However, video CDs also have several advantages. They don’t break or wear out. They offer the ability to divide a movie into chapters, so that the viewer can jump quickly from one section to another. Finally, they offer fast-forward fast-backward and freeze-frame capability.

# CDTV: CDTV, for compact disk television is another home entertainment system that connects directly to a TV set. Available from commodore, or has an advantage over CD-I in that it can be expanded into a home computer system. A Philips CD-I disk will not play on a CDTV unit or vice versa.

#MPC: The term MPC indicates that hardware or software meets the industry standard for connection CD-ROM drives to IBM-compatible microcomputers and supporting multimedia input, processing, storage, and output requirements. An MPC machine is a multimedia personal computer that adheres to standards set by the multimedia PC (MPC) marketing council. This organization consists of important hardware and software companies including Intel, Microsoft, IBM, NEC, and Fujitsu. Advanced software requires PCs with at least a 386 microprocessor, although less powerful machines can play many CD-ROM disks.

Besides knowing the basics about secondary-storage devices, users should be familiar with two concepts relating to secondary storage data storage and retrieval methods and data compression.

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