It uses a long strip of narrow plastic film with tapes of thin magnetizable coating. Large organisations who need to back up their systems daily tend to use magnetic tapes to store their data. In spite of the popularity of RAM, CD-ROM, and removable hard drives; tape is still used because of its low cost and reliability. Large companies such as a television network have robot storage libraries. Data is written onto the disc by a laser and is read from the disc by another laser. In most cases, it’s used for offline data storage media, and it’s the perfect way to create long-lasting archives. If an archive tape is needed, the robot fetches it from the store and places it in a tape reader. This consists of shelf upon shelf of magnetic tapes under the control of a robotic arm. Today, magnetic tape is mainly used by large companies and organizations that require massive data storage. The speed of a storage device is measured in megabytes per second (MBps). . Magnetic tape is commonly used to record and store computer and video data. Magnetic tape, 3M, 6250 CPI for computer tape drives, used as storage media between 1970 and 1990 (Photo credit: Wikipedia) This year, 2012, digital plastic substrate magnetic tape … Magnetic tape is used in video cassettes. Yosoo Health Gear Floppy Tape Drives, SFR1M44-U100 USB Emulator 3.5 Inch 1.44MB Floppy Drive Emulator for Most Computer Industrial Control by Yosoo Health Gear £36.29 £ 36 . Small magnetic spots were recorded on the tape and were later sensed by magnetic pickup heads when information was needed to be read. While a wide range of computer storage alternatives are available today, magnetic tape continues to be a popular option when it comes to backing up computer memory systems. Recording density for computer tapes is described with the acronym BPI, sometimes written bpi. IBM announced the 2420 in January 1968 as the fastest self-threading magnetic tape unit using standard computer tape. This is probably the most cost effective method of storing data which is why it is the technology choice for archiving data. Partial data restoration is difficult with this storage medium. A tape was used for the first time to record data in 1951 in the Mauchly-Eckert UNIVAC I computer, and still in use today as a cheap and reusable archive media. This means that to find a specific piece of data, the tape reader has to start at the beginning of the tape and continue fast forwarding until it gets to the piece of data that needed. As long as it is not damaged, a magnetic tape is very reliable method of data storage. The slowest of all of the storage media from which to access data, which is why it is fine for archiving but not for immediate data retrieval. It is a very cheap and reliable way to store large amounts of data. Thus, this form of storage is not considered to be very portable. Find the perfect magnetic tape and computer stock photo. already told you, see Our tips from experts and exam survivors will help you through. In computer science: Information management …were stored on reels of magnetic tape and these reels could be processed only in a sequential manner. Magnetic tape must be searched from one end to find the specified file for recovery. data not likely to be needed instantly. Magnetic tape storage is sequential which is slower than random access storage. CD-RW, DVD-RW or flash memory sticks are unlikely to be large enough for doing this. Magnetic tape uses 'serial access' to find a piece of data. Innovation in peripherals has great benefits for gaming, science and medicine. This means that any location in storage can be jumped to at any moment, eg on a direct device such as a DVD, you can jump straight to a chapter. You need to have a CD, DVD or Blu-ray writer on your computer to write information to the discs. 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