As good as computers are, they can fail, therefore it is a good idea for you to have a copy of your data. Safe storage of data is therefore a very critical part of computer technology. That's where computer storage devices come in. They are the tools that allow you to store data, which can then be kept for a period of time. There are primary storage devices, and secondary storage devices, and within these categories there are several types.

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A computer's random access memory or RAM, is considered a primary storage device. It is actually an area of the computer where data and applications in current use, are held for easy access by the processor. However, the data only remains in RAM while the computer is on. The data is lost when the computer is turned off, but it can be retrieved from the hard drive, once the computer is turned on again.

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Secondary storage devices, are the ones you are more likely to be familiar with. The data remains on the device, even when the computer is no longer on. These include hard drives, floppy discs, compact discs, DVDs and USB drives.

Hard Drives: Data is stored on the hard drive in a digital format. The hard drive is usually a component of the computer. However, external hard drives are also available. These have become extremely popular as they are outside of the computer. As a result, external drives are not likely to be compromised in the manner of internal hard drives.

Floppy Disks: These are small storage devices made with a thin circular magnetic film. In the early days of computers, the floppy disk required a floppy drive, and data was recorded onto the magnetic film. However, as both the computer and storage devices evolved, the floppy disk has become less popular. In recent years, it has been replaced by the much stronger and convenient USB drives, and CDs.

Compact Discs: Originally created for the storage of audio recordings, CDs are now widely used to store several varieties of data. In terms of storage capacity, CDs can hold upwards of 600MB of data. Information is stored in an optical format, and can be kept for a very long time. CDs work in conjunction with the computer's CD-ROM drive.

Digital Video Discs better know by the acronym DVDs, are storage devices that became popular in the 1990's. They actually look a lot like CDs, measure about the same, and are also optical discs. However, in terms of storage, DVDs are way ahead, because they can hold up to seven times more data than a CD.

A USB flash drive is a portable memory chip. It is also known as a thumb drive, or memory stick. The USB is a very convenient tool, and has become extremely popular within the last decade due to its portability. Perhaps its biggest selling point though, is its storage capacity; surpassing all others, there are flash drives capable of holding as much as 64GB, (that's gigabytes), of data. In addition, it does not use batteries; it simply taps into the computer's power to operate.

These are just some of the storage devices available. There are others, such as memory cards, blu-ray discs, and more. However, as the technology continues to evolve, don't be surprised when new ones become available.

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Pioneer DV-F727 301 Disc DVD / CD / CD-R/ and RW Player Feature

It's a high-end AV jukebox: the DV-F727 will play DVD's, Video CD's, audio CD's and CD-R's, storing 301 discs in all.
301 Disc Capacity
Advanced GUI with Set-up Navigator
DTS¿ (Digital Theater Systems)

Pioneer DV-F727 301 Disc DVD / CD / CD-R/ and RW Player Overview

The DV-727 will play DVDs, Video CDs, Audio CDs and CD-Rs, storing 301 discs in all. Engineered for superb audio and video reproduction, it also offers great convenience: you can enter title/artist CD text with a keyboard and mouse, find a disc or artist automatically, or sort discs for playback by type.

Pioneer DV-F727 301 Disc DVD / CD / CD-R/ and RW Player Specifications

The Pioneer DV-F727 is not the average, run-of-the-mill multidisc changer. Even if your audio CD and DVD collections are quite sizeable, you can stash the goods neatly inside this 301-disc capacity "media server," then call selections up with the same ease and excitement as you would by keying an entry on a jukebox. An onscreen cataloging system helps manage your inventory, with an auto update feature that scans for new disc additions.

Should your collection really bulk out, it's even possible to double the system's capacity by linking two DV-F727s. All the while, you'll still maintain easy control over the whole kit 'n caboodle via a single, fully-featured and user-friendly remote control (supplied), or using an optional, plug-in PS/2 style computer keyboard or mouse.

One of the most elaborately featured DVD players we've ever encountered, the DV-F727 also takes care of the basics quite well--delivering pristine pictures and sound with component-video (interlace), S-Video, and composite-video outputs. Sound-wise, its optical and coaxial digital-audio outputs definitely deliver the Dolby Digital, DTS, and PCM stereo (up to 96 kHz, 24-bit) soundtracks. The player's Burr-Brown audio digital-to-analog converter and conventional analog jacks also proved quite fine.

Handy jog-shuttle dials on both the front panel and the remote make it a pleasure to manipulate the multispeed forward and reverse trick-play options.

Customizable settings let you vary picture parameters to taste or adjust the audio dynamic range for late night listening--so that soft sounds such as dialogue can be heard more clearly without making loud sounds even louder.

Given its immense disc storage capacity, this changer is remarkably compact--measuring about 16.5 inches wide, 17 inches deep, and 7.75 high.

The holding slots are accessible, one at a time, behind a motorized opening/closing Plexiglas "hood." Of course, there's also the option to quickly install and then remove a single disc--via the dedicated 301st slot--with its operation complemented by special "single loader" access and play keys.

Entering menu text and numerical data about stockpiled titles is reasonably easy. Information can be added using the onscreen soft keyboard in tandem with the cursor control joystick on the remote, or with the selection dial on the front panel. To speed up the process, there's also the option of plugging in and entering text on a conventional PS/2 computer keyboard.

Making life easier still, some music CDs now contain and automatically stream their own album and song title info (CD Text), which this changer will conveniently read, display, and automatically integrate into its program menu memory. If implemented, DVD text information is also downloadable. (A front-panel display lights up to indicate the presence of such text on a disc.)

A couple of bummers: you must abbreviate text entries when a title or artist's name exceeds 12 characters, the max this changer's memory will store and display. CD Text titles longer than 12 characters, while not memorized, will scroll across the LCD screen. Also take note: when a disc is playing, you can't enter data, or add or remove other discs.

Once program data is entered into the megachanger's memory, titles can be sorted and accessed by format (DVD or CD), disc title (alphabetically), or disc number.

Another option: you can create and name 20 custom files (10 DVD/Video CD and 10 CD) for automatic playback. However, there's still no avoiding the mandatory setup menus and unskippable FBI Warning before DVD play commences.

All in all, the DV-F727 represents a remarkable piece of engineering and entertainment prowess from the folks at Pioneer.

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