... of hard drive they want the computer to have because this determines the quantity of information the computer can store. The buyer should also ask himself if he wants a CD-ROM, CD-Rewriteable, or DVD-ROM drive. For example, CD-ROM drives only read compact discs, CD-Rewriteable drives allow the customer to create his own compact discs, and DVD ... -ROM drives feature the latest in digital versatile disk technology. Last, the shopper should choose a graphics card and a sound card, which determine how well the computer handles multimedia tasks such as ... the purchase online. It is often ...

• Word Count: 630
• Approx Pages: 3
• Grade Level: Undergraduate

... volatile because it will retain information after its power source has been removed or shut off. Secondary storage could be a hard drive, a floppy disk, a CD ROM, a DVD ROM, or even a computer tape. The type of secondary storage used will be determined by the user. A computer has several different types of storage devices. Each ... past, but has been becoming less useful as today's information age has increased with the amount of information needed in each and every process. CD ROM's (also called optical disks) have almost replaced floppy disks because of the large amount of information ...

• Word Count: 1139
• Approx Pages: 5
• Grade Level: High School

... copyright protection methods have been developed more recently for use with optical discs. For the most part, optical discs include the widely known CD-ROM and the newer Digital Versatile Disc, or DVD. The DVD similar to a CD-ROM, only it is capable of storing more data than the combined capacity of twenty-five CD-ROMs. In any case, some programs require ... the CD-ROM or DVD to be in the drive in order for the software to start up. This somewhat protects against installing multiple copies of software on multiple machines, but does not ... ...

• Word Count: 987
• Approx Pages: 4
• Grade Level: Undergraduate

... media. The result of this work is embodied in the Red Book; the de-facto standard in Compact Disc manufacturing and keystone for all applications of CD technology including CD-ROM, CD-I, Video CD etc. HOW THE COMPACT DISC WORKS To store audio data on CD, it must first be sampled and digitized. Specifically, audio content is sampled at 44.1kHz ... we have converted our analogue data to binary data (ones and zeros) we can begin to implement exciting new techniques in error correction with digital logic. Of course, with CD-ROM, our source data will already consist of binary computer files....

• Word Count: 673
• Approx Pages: 3
• Grade Level: High School

... CD-RW prove extremely useful in writing large files, since they have a large capacity of 680 megabytes. They are also extremely durable. The devices cost about $130 to $200. A DVD-ROM disk, digital video disc, is another form of the CD technology. The DVD began as an alternate to VHS cassettes, but they are now prevailing in the computer industry. The ... ...

• Word Count: 839
• Approx Pages: 3
• Has Bibliography
• Grade Level: High School

... crackers today break into servers daily, and most of them never get caught. However, in a recent case, a teenager in Norway cracked the code protecting DVDs. Now, using a computer and a DVD-ROM drive, people can record DVD movies onto their computer and share them with other people on the internet. When he cracked the algorithm behind DVD protection, he submitted to BugTrack ... ...

• Word Count: 555
• Approx Pages: 2
• Grade Level: High School

... CD. Also with certain programs, users can watch their favorite DVD on their computer instead of have a TV or DVD player. But for a DVD to work, hardware such as a DVD Rom has to be installed. If the user has a DVD burner as well, then they can copy the DVDs for themselves or others if they wanted to. They could even make ... ...

• Word Count: 742
• Approx Pages: 3
• Grade Level: High School

... that time, the compact disk was digital, recreating sound from a series of 1's and 0's stored on the disk known as binary. Later, the compact disk was expanded to introduce the CD-Rom for use as random access computer data storage. Basically, a cd is a thin piece of plastic. During the manufacturing process this plastic is impressed with microscopic bumps' (sometimes known as pits ... ...

• Word Count: 1071
• Approx Pages: 4
• Grade Level: High School

... internet access, NetFlix positioned itself in the online DVD rental business. The target market NetFlix focuses on those who love movies, have access to internet, possess a DVD player or DVD-ROM equipped PCs. Customers who were unsatisfied with the game rule of other local rental companies preferred the online stores, which cover many demographics. Being in the business for some time ... ...

• Word Count: 915
• Approx Pages: 4