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CD-ROM CLV

The first generation of single-speed CD-ROM drives were based on the design of audio CD drives, employing constant linear velocity (CLV) technology to spin a disc at the same speed as an audio CD which, with error correction, meant 150 … [Read more...]

Filed Under: CD-ROM

CD-ROM CAV

CLV remained the dominant CD-ROM technology until Pioneer, the first with quad-speed when most only had single, skipped six- and eight-speed entirely in favour of the new ten-speed speed technology employed by its DR-U10X drive, launched in … [Read more...]

Filed Under: CD-ROM

CD-ROM Applications

Then there's the question of which applications actually benefit from a faster CD-ROM drive. Most multimedia titles are optimised for double or, at best, quad-speed drives. If video is recorded to play back in real time at a 300 KBps sustained … [Read more...]

Filed Under: CD-ROM

CD-ROM Interfaces

CD-ROM drives have three main connections on the back: power, audio out to a sound card and a data interface. These days it is increasingly common to find CD-ROM drives with an IDE data interface, which in theory can be connected to the IDE … [Read more...]

Filed Under: CD-ROM

CD-ROM DMA vs. PIO Mode

Traditionally, CD-ROM drives have used Programmable Input Output (PIO) rather than Direct Memory Access (DMA) for data transfer. This was favoured for the earlier designs because hardware implementation is simpler and … [Read more...]

Filed Under: CD-ROM

CD-ROM TrueX Technology

Based on the aim of enabling users to run application direct from CD without first cacheing to the hard disk drive, Zen Research's TrueX technology takes a different route to increasing the performance of CD-ROM drives - addressing data … [Read more...]

Filed Under: CD-ROM

CD-ROM Digital Audio

On vinyl and audio cassettes, the audio waveform is recorded as an analogue signal. Therefore any imperfections will be heard as noise (hiss) or other defects. To reduce these defects, CDs use digital techniques, storing samples as numbers. … [Read more...]

Filed Under: CD-ROM

CD-ROM Operations

Apart from far more sophisticated error-checking techniques, the innards of a CD-ROM drive are pretty much the same as those used in CD audio players. Data is stored in the same way on all CDs. The information is stored in sequential 2KB … [Read more...]

Filed Under: CD-ROM

CD-ROM The Disc

The basic CD-ROM (Compact Disc - Read Only Memory) is 120mm in diameter and is basically a 1.2mm sandwich of three coatings: a back layer of clear polycarbonate plastic, a thin sheet of aluminium and a lacquer coating to protect the disc … [Read more...]

Filed Under: CD-ROM

CD-ROM Manufacturing

The term premastering is often used quite broadly, to refer to all of the steps which proceed the first stage in the manufacturing process proper. Strictly, data preparation, indexing, testing (also called simulation), and creating the image are … [Read more...]

Filed Under: CD-ROM

Next Page »

Goodbye Bitcoin: the 3 alternative cryptocurrencies that have great upside potential, according to experts

Bitcoin has been a very lucrative investment for people that got into it early. One report from The Motley Fool pointed out that $10 of bitcoin … [Read More...]

Self-driving cars face their Achilles’ heel and may be targets of hackers

The market for self-driving cars is booming. Customers spent $22.22 billion on these autonomous vehicles in 2021 and they will likely spend more in … [Read More...]

How to avoid scams with bitcoin and other cryptocurrencies

Cryptocurrencies got a bad reputation when scams multiplied like ants on a piece of cake. Even today many people associate bitcoin and other … [Read More...]

WHAT IS CLOUD COMPUTING AND WHAT ARE ITS MAIN BENEFITS?

Users are Increasingly using cloud computing to store their information, which is replacing local storage. The business digitization process goes … [Read More...]

AI-Driven Software Improves Trading Strategies for Investors

Artificial intelligence technology is changing the state of modern finance. A growing number of investors are utilizing AI to improve the … [Read More...]

What You Need to Know When Choosing the Best VPN for an iPhones

Today millions of people have smartphones; most use them to access the Internet. Research shows that more than 50% of Internet users access it with … [Read More...]

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