Media simply refers to a vehicle or means of message delivery system to carry an ad message to a targeted audience. Optical Media Compact Disc (CD) The technical characteristics of an optical disc depend on whether it is pressed or burned. The main task of media planners is to select the most appropriate media channels that can effectively communicate the advertising message to a targeted audience. Traditional Transmission Media for Networking and Telecommunications. This is how media like CDs, DVDs, and BDs are inserted into and removed from the drive. Dual-layer discs can hold up to 8.5 GB of data. Media like TV, Radio, Print, Outdoor and Internet are instruments to convey an advertising message to the public. Chapter Physical Characteristics of CD and DVD Media Chapter 1 • Physical Characteristics of CD and DVD Media Little has changed in Compact Disc (CD) physics since the origin of CD audio discs in 1980.This is due in part to the desire to maintain physical compatibility with an established base of installed units, and because the structure of CD media was both groundbreaking … The 'Blu' part of Blu-Ray refers to the fact that the laser used to read the disc uses blue light instead of red light. Optical platters offer a high degree of stability because they are far less susceptible than magnetic disks to corruption by environmental influences such as electromagnetic fields. Optical Media Characteristics Compact Disc (CD) CDs were first developed to store digital music. Because optical media are written to and read with a laser, a bit of data is written to a much smaller area on the optical platter (disc) than the area that is required to record a bit on a conventional magnetic disk. 5.3.4 Optical Media Facts DVD (Digital Video Disc or Digital Versatile Disc) is an optical media standard that can be used to store large amounts of different types of data (computer data, video, audio). Using a blue laser allows more data to be placed closer together on a Blu-Ray disc, than on a DVD or CD, so Blu-Ray has a much higher storage capacity than these older discs. Here, microscopic pits are created by the high-powered laser light. You have a CDR W Dr. that advertises speeds of 32×12×48x. What is the read speed of this drive? 48x. An optical drive is a piece of computer hardware about the size of a thick softcover book. Optical-fiber systems have many advantages over metallic-based communication systems. Fiber optics operates in the visible light spectrum, in the range from 10 14 Hz to 10 15 Hz. Furthermore, the relatively smaller cross section of fiber-optic cables allows room for substantial growth of the capacity in existing conduits. Pressed discs make use of pits and lands in order to store data so that the thin metal recording layer is physically altered by pressing in a manufacturing process. Single-layer, single-sided Blu-ray disc. Asus. Characteristics of optical disc: Characteristics of optical disc are as follows: An optical disc is a storage medium that can store data using microscopic pits and lands that are presented in the middle layer of the disc. Thus began the move toward researching and developing optical technology. Wavelength is a measure of the width of the waves being transmitted. The front has a small Open/Close button that ejects and retracts the drive bay door. Which optical media has the greatest storage capacity? These advantages include interference, attenuation, and bandwidth characteristics. Match each label on the left with the correct characteristic on the right. Blue light has a shorter wave-length than red light (used with CDs and DVDs). ... Characteristics of Fiber Optics. It can store more data than the previous generation of magnetic storage media, and has a relatively longer lifespan. Fiber-Optic Characteristics. Single-sided discs can hold about 4.7 GB of data. An optical drive that's meant to be installed inside the computer. An optical disk is primarily used as a portable and secondary storage device. Digital Versatile Disc (DVD) is an optical media standard that can be used to store large amounts of different types of data ( computer, data, video, audio). Characteristics of the Optical Media Laboratory Disk Characteristics of the Optical Media Laboratory Disk Rooijmans, C J. M.; Verhoeven, J. Compact disks (CD), digital versatile/video disks (DVD) and Blu-ray disks are currently the most commonly used forms of optical …

characteristics of optical media

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