Okay, let's take a moment or two to review what we've learned in this lesson. there is fast access to records). - Definition & Design, Quiz & Worksheet - 5 Determinants of Demand, Quiz & Worksheet - Calculating Gross Profit Margin, Quiz & Worksheet - Calculating Net Profit Margin, Quiz & Worksheet - Calculating Asset Turnover Ratios, Quiz & Worksheet - Features of Company Mission Statements, California Sexual Harassment Refresher Course: Supervisors, California Sexual Harassment Refresher Course: Employees. in order) which is also known as 'serial access' . The Linear Tape File System (LTFS) mimics random access attributes of hard disks and has brought about a revolution in tape backup in the age of huge files and big data. Direct access is used when it is possible to jump directly to a file or data item without reading through all the items stored before it. Magnetic tape contains thin plastic ribbon is used for storing data. Some run along the edge of the tape, which is called linear recording, while others are written diagonally, which is called helical recording. With a pile of random access devices, the time and cost of a single record retrieve is low, though the cost of bulk records can get high. IBM and Fujifilm unveiled an LTO tape that can store up to 220 Terabytes of data! - Definition, Function & Types, DSST Computing and Information Technology: Study Guide & Test Prep, Introduction to Computing: Certificate Program, Computing for Teachers: Professional Development, PowerPoint: Skills Development & Training, Advanced Excel Training: Help & Tutorials, Ohio Assessments for Educators - Computer/Technology (Subtests I & II)(016/017): Practice & Study Guide, Guide to Becoming a Substance Abuse Counselor, Understanding the Effects of Globalization in Business. When created, every file is given a unique name by the computer system, other wise called addressable media, in order to keep tabs on all the data. It is mainly used for data backups. From the humble beginnings in the 1950s to larger volume storage, magnetic tape is a reliable source for backing up large amounts of data. Regulatory jurisdictional fight between SEBI and IRDA, C. They offer lesser returns compared to traditional insurance policies. Visit the Relational Databases Tutorial page to learn more. 20 seconds . in no particular order. Magnetic tape data storage uses the Sequential access method for reading data. This was intended for personal use. Magnetic tape drive One type of storage device that is sometimes used with computers for backup purposes and that uses sequential access is a ______. 's' : ''}}. ... False: The method of access of data/information used by diskettes is random access. Not sure what college you want to attend yet? This method is used by Magnetic disks and Optical disks. How did magnetic tape storage evolve over the years as a data storage medium? Get access risk-free for 30 days, See also. The direct access is based on the disk model of a file since disk allows random access to any file block. VHS Tape. Data is written into 'tracks' on the medium, some run along the edge of the tape, called linear recording, while others are written diagonally, helical recording. In the late 1990s, Linear Tape-Open launched. Hard drive is random access and Magnetic tape is sequential access Aaron. Data files may be stored on or in sequential-access storage, direct-access storage, or random-access storage. Anyone can earn The Linear Tape File System (LTFS) mimics random access attributes of hard disks and has brought about a revolution in tape backup in the age of … The method does not require the use of indexes, hence saving space. Were you around in the 80s when cassette tapes were all the rage? The Chameli Devi Jain Award is given for an outstanding woman ____? Amazon, Google, and Microsoft (the largest cloud companies in the world as of 2020) use Linear Tape File System as part of their libraries for storage and backup. just create an account. The random access to magnetic tapes takes more time than magnetic disk because the magnetic tape has to perform forward and rewind operation to locate a correct spot. All other trademarks and copyrights are the property of their respective owners. A. This is a significant increase over the technologies mentioned previously, and even from the first prototype of LTFS. All rights reserved. This is used with magnetic tape drives which, are used for backup purposes. Plus, get practice tests, quizzes, and personalized coaching to help you To learn more, visit our Earning Credit Page. Try refreshing the page, or contact customer support. Linear Tape File Systems have brought a huge leap forward in storage capacity. An error occurred trying to load this video. Once the read-write head in magnetic tape is positioned correctly, it writes the data with the same speed as that of the magnetic disk. Magnetic tape is a storage medium that has provided a viable option for storing, archiving, or backing up data from large computer systems. courses that prepare you to earn - Definition & Concept, Associative Memory in Computer Architecture, What Is a Floppy Disk? and career path that can help you find the school that's right for you. Flash drive. A filed-length logical record that allows the program to read and write record rapidly. Data access is far slower than random access devices, such as hard disks. Some industries, though, such as media and entertainment, as well as sciences and video surveillance, heavily use magnetic tape for storage, notably for its large capacity. Magnetic tape is a very functional and convenient material. Tags: Question 8 . A brief timeline will be provided, as well as a discussion of the different tape technologies and current updates. This storage capacity reaffirms the fact that tape is not dead. Sequential access For example, one can read from the 4000locations in the order of 1500, 1210, 3060, 1640, 1352, and so on. Martin has 16 years experience in Human Resources Information Systems, has a PhD in Information Technology Management, and a degree in Information Systems Management. {{courseNav.course.mDynamicIntFields.lessonCount}} lessons To unlock this lesson you must be a Study.com Member. Data on the tape is written and read sequentially. SURVEY . In this video I have told you "What is Magnetic Disk" and "Direct access method". Files are stored in sequence in magnetic tapes and to access any file magnetic tape head has to move forward or backward in sequence. EXAMPLE OF HOW SEQUENTIAL AND RANDOM ACCESS WORK adding, deleting, and amending the records is easily achieved). May 29, 2012 . Magnetic sequential access memory is typically used for secondary storage in general-purpose computers due to their higher density at lower cost compared to RAM, as well as resistance to wear and non-volatility. Create an account to start this course today. 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Alfred Prufrock: Overview and Analysis, Magnetic Declination: Definition & Angles. Long live tape!' Valdemar Poulsen invented the telegraphone. Finding a specific record takes time because the machine has to read every record in front of it. Many people still say 'mixed tape' sometimes when referring to playlists they make on Spotify or Pandora, or even CDs that they give to each other. It was the first real device that could record sounds using magnetic wire. Tech and Engineering - Questions & Answers, Health and Medicine - Questions & Answers, Working Scholars® Bringing Tuition-Free College to the Community. What Can You Do With a Masters in History? Earn Transferable Credit & Get your Degree, What is a Zip Drive? credit-by-exam regardless of age or education level. While it may not last forever, magnetic tape as a storage option is still very much alive. - Definition & History, What is Web Development? | {{course.flashcardSetCount}} Although there are fewer tape drives around than disk drives, tape drives still perform a valuable function. With the magnetic tape drive, accessing a specific piece of data on the drive means reading all the records on the tape until the required record is located, Each intermediate record on the tape has to pass over the drive read heads until the required data is located. Flash drive. Magnetic Tape is an example that employs sequential access. Services. What is the Difference Between Blended Learning & Distance Learning? Even with the advent of huge disk drives, flash drives, and cloud storage, new technologies like the Linear Tape File System (LTFS) offer powerful storage options and mimic the random-access features of hard-disk storage, giving new life to magnetic tape backup. Magnetic disk is a direct access secondary storage device. - Definition & Examples, What is Cloud Data Storage? 4. Tape has a longer access time than disk for random accesses since the deck … One side of the tape is coated with a magnetic material. This bank belongs to which country. flashcard set{{course.flashcardSetCoun > 1 ? Get the unbiased info you need to find the right school. study It has no addressing mechanism. Advantages of Random file organization. With that said, let's get into it. Study.com has thousands of articles about every - Tools & Overview, What is User Experience? Nowadays most of storage devices use random access instead of sequential access. - Definition, Devices & Types, RISC vs. CISC: Characteristics, Pros & Cons, Instruction Set of a Processor: Definition & Components, Destructive & Non-Destructive Testing: Definition, Function & Examples, Buffering in Computers: Definition, Purpose & Strategies, Process in Operating Systems: Definition, Scheduling & States, Files & Directories in Operating Systems: Structure, Organization & Characteristics, Computer Networks and Distributed Processing: PAN, LAN, WAN, MAN, What Is a Sound Card? Now let's take a look at a timeline that focuses on magnetic tape storage. Developed by IBM engineers in San Jose and introduced in 1957, RAMAC was marketed as a business machine for accounting applications. The tape will definitely hold the data, and then some apparently. 1) The access method used for magnetic tape is_____ a) Direct b) Random c) Sequential d) None of the above 2) By Processing we understand _____ a) Processing string of only words b) None of the above c) String manipulation only d) Processing string of numbers and special symbols The access method used for magnetic tape is_____ a) Direct b) Random c) Sequential d) None of the above Cache memory 32. Tape was an important medium for primary data storage in early computers, typically using large open reels of 9-Track tape. As of 2019, the highest capacity tape cartridge can store 330 TB of data without using compression. {{courseNav.course.topics.length}} chapters | succeed. How Long Does it Take to Learn a Language? Media that allow random access are sometimes referred to as _____ media. You can test out of the Magnetic Bubble Memory c a, b, c, or m Magnetic Core Memory c a, b, e, or m Magnetic Plated Wire c c and f, or m Magnetic Resistive Memory c m Nonvolatile RAM (NOVRAM) c or g c, g, or m Read Only Memory ROM m Static Random Access Memory (SRAM) c or g c and f, g, or m Equipment Cahtode Ray Tube (CRT) g q Printers Impact g p then g When examining magnetic tape storage advantages and disadvantages, it is important to remember that magnetic tape is a sequential access device. Although magnetic tape is still viable when compared to hard discs, external drives, or even cloud storage, it lacks speed in data retrieval. When disk and its random access hit the market, it largely replaced tape for primary storage. Records are quickly accessed (i.e. Already registered? Punched cards, paper tape, and magnetic tape are examples of sequential-access storage media. Magnetic Tape. internal hard disk drive . But access costs go up. All the oppressors need is a half decade window, maybe a decade to be pretty much golden, as far as totalitarianism goes. Serial access medium (like magnetic tapes) are also used in batch processing systems like payroll and in the preparation of utility bills. - Memory & Function, What is Data Storage? - Definition, Types & Function, Secondary Storage: Definition, Technology & Devices, Page Replacement: Definition & Algorithms, External Memory Sorting: Definition & Uses, Concurrency & Mutual Exclusion in Operating Systems, What Is Primary Storage? None of the above C. String manipulation only D. Processing string of … It could hold about 2 million bytes. True False: Data/information can be retrieved more quickly from magnetic disks than from CD-ROM disks. The UNISERVO tape drive for the UNIVAC computer was the first tape storage device for a commercial computer. A company can back up its data to tapes, remove them, and send by courier to off-site storage; a very important step for disaster recovery. Sociology 110: Cultural Studies & Diversity in the U.S. CPA Subtest IV - Regulation (REG): Study Guide & Practice, Using Learning Theory in the Early Childhood Classroom, Creating Instructional Environments that Promote Development, Modifying Curriculum for Diverse Learners, The Role of Supervisors in Preventing Sexual Harassment, Distance Learning Considerations for English Language Learner (ELL) Students, Roles & Responsibilities of Teachers in Distance Learning. True This allows different vendors, architectures, and systems the ability to use the technology. Data is written to and read from in sequence (i.e. What is the International Baccalaureate Primary Years Program? The same process happen in video tapes as in audio cassette. The idea of cache memory is … Older magnetic tapes used eight tracks, while more modern ones can handle 128 or more tracks. Direct Access Storage Device: A direct-access storage device (DASD) is another name for secondary storage devices that store data in discrete locations with a unique address, such as hard disk drives, optical drives and most magnetic storage devices. As a member, you'll also get unlimited access to over 83,000 The wire played back the sound. It is the normal method of access for magnetic tape. See also Digital Audio Tape (DAT) and helical scanning. Used by Digital Equipment Corporation's (DEC's) mini-computers, DECTape was a 3/4 inch tape that was laminated, and the magnetic portion of the tape was protected in other layers. True False: Hard drives used magnetic disks on which to store data/information. Although disk drives can be faster, smaller, and hold more data, a physical tape is much more mobile. AIT includes a small RAM cache in cartridges, which stores directory information to speed searching and data access. © copyright 2003-2021 Study.com. Wells Fargo & Co. has got first rank in this list. Tape backup is just as important to computing as it has ever been; it is a technology that will not go quietly. - Definition, Advantages & Disadvantages, Magnetic Storage: Definition, Devices & Examples, Direct & Sequential Access to Peripheral Devices: Characteristics, Pros & Cons, What Is an Optical Drive? This section will give you a good idea of what magnetic tape is used for in everyday life, from household use to commercial. 3. Data is written into 'tracks' on the medium. Magnetic tape is a type of sequential access memory still in use; historically, drum memory has also been used. Random Access − In a random access technique, it can be possible to access a memory location in any order. Files are easily updated (i.e. Optical Data Storage: CD-ROMs & Discs History, Quiz & Worksheet - Magnetic Tape Data Storage, Over 83,000 lessons in all major subjects, {{courseNav.course.mDynamicIntFields.lessonCount}}, How Do Computers Store Data? It is a sequential access memory. Create your account. With advances in the technology, the devices were able to store gigabytes of data. Another example of sequential access is video tape used VCR in old days. DVD ROM. - Definition & Technologies, History of Data Storage: Hard Drives, Memory & Disks, Data Storage Devices - Definition & Types, 3D Optical Data Storage: Definition & Explanation, What is Cold Data Storage? lessons in math, English, science, history, and more. Magnetic tape data storage is a system for storing digital information on magnetic tape using digital recording.. - Definition & Systems, What Is Voice Over Internet Protocol (VOIP)? Two Examples of Magnetic Storage Media. 1. Two Examples of Direct (Random Access) Method: answer choices . It's been around for a hundred years or so, starting with the invention of the Telegraphone in 1898. Huge retailers like Amazon and Google use LTFS tape backup libraries. first two years of college and save thousands off your degree. So the data reas/write speed is slower. 'Tape is dead! With the properties of a magnet mixed with the self-adhesive characteristics of tape, the possibilities of the things you can create are virtually endless. Indicate the type of method used to access data for the following: (a)Hard drive (b)Magnetic tape Nneka. Magnetic Tape used _____ access method a) Random b) Sequential c) Direct d) None of the above By storing metadata about an object separate from the object itself, it increases access and retrieval times. In that regard, while disk drives can be used to read and write data at high speeds, tape disks are usually only for writing data. Q. Direct B. Q.1 The access method used for magnetic tape is_____: A. External Hard drive. At first, the tapes were wound in wheel-like reels, but then cassettes and cartridges came along, which offered more protection for the tape inside. Companies started using magnetic tape technology in the 1950s, though the audio cassette tape we remember was made available in the 1980s. LTFS is an open standard, meaning is not proprietary or owned by anyone. Did you know… We have over 220 college Which of the following is not a primary function of a Bank? RAMAC (random access method of accounting and control): RAMAC (which stood for random access method of accounting and control ) was the world's first computer disk storage system. Direct Access – Another method is direct access method also known as relative access method. A magnetic tape standard developed by Sony based on Digital Audio Tape; uses helical scanning and an improved tape drive technology to pack more data onto a single tape. ====Used on magnetic tape systems and is very slow.==== ==== When information on magnetic tape needs updating, an additional tape is required so that the old data can be merged with the new data. imaginable degree, area of It has got 45th rank. The higher-end Digital Data Storage cassettes can store up to 300GB! Most tapes are used for archival purposes, rather than ad-hoc writing and reading. Sciences, Culinary Arts and Personal Such a method is reasonable for tape. credit by exam that is accepted by over 1,500 colleges and universities. Log in here for access. Good Persuasive Writing Topics for Middle School. HDFC bank has been named among 50 most valuable banks in 2014. Keep in mind that other technologies were also being developed (such as Flash drives or CD-ROM), but it's kind of remarkable that the idea of recording data with magnetic tape storage goes all the way back to the 19th century. As technology improved, the size of the tapes decreased in size to something many of us would recognize: cartridges resembling VCR or audio cassettes. Select a subject to preview related courses: This tape used vacuum channel technology, allowing the tape to start and stop quickly. Though the cassette tape has long since fallen out of favor, it was neither the first nor the last device to use magnetic tape for storage. 2. A magnetic tape, in computer terminology, is a storage medium that allows for data archiving, collection, and backup. Cache memory sits between (A) CPU and RAM (B) RAM and ROM (D) CPU and Hard Disk (D) None of these 33. 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SEQUENTIAL-ACCESS STORAGE. He is an adjunct professor of computer science and computer programming. How data files are stored in secondary storage varies with the types of media and devices you are using. Processing string of only words B. Log in or sign up to add this lesson to a Custom Course. Enrolling in a course lets you earn progress by passing quizzes and exams. Magnetic tape, the first method of storage, is not used today for storage. - Definition & Methods, HIPAA Compliant Cloud Storage: Encryption & Security, Biological and Biomedical Even though in random access media devices may seem like data could be misplaced or somehow lost in the sea of data. Because of this, they're a great backup or archival tool. answer choices . Random C. Sequential D. None of the above Answer: C Q.2 By Processing we understand _____: A. Magnetic tape is a thin strip of magnetic coated plastic which is wrapped onto a reel. The way that serial access works means that all of the data has to be read and there is no danger of missing out someone's wage payment or bill invoice. Though ULIPs (Unit Linked Insurance Plan) are considered to be a better investment vehicle it has failed to capture the imagination of the retail investors in India because of which of the following reasons? Modern magnetic tape is most commonly packaged in cartridges and cassettes, such as the widely supported Linear Tape-Open (LTO). Data is stored on the magnetic plastic in the form of 1’s and 0’s (binary numbers). Earn Transferable Credit & get your degree in random access instead of sequential access is slower... Storage devices use random access technique, it can be possible to access a memory location in any order 1950s! The type of method used for storing data tape ( DAT ) and scanning. Data access is video tape used vacuum channel technology, the first two years of college and save thousands your. Allow random access media devices may seem like data could be misplaced or somehow lost in the form of ’. Same process happen in video tapes as in audio cassette the technology order ) which is wrapped onto a.... A file since disk allows random access hit the market, it largely replaced for. Highest capacity tape cartridge can store up to 300GB access to any file magnetic tape is_____ a! Primary data storage method is used by magnetic disks on which to data/information! Tape drives still perform a valuable function you earn progress by passing quizzes and exams evolve over the mentioned., architectures, and then some apparently a small RAM cache in cartridges, which stores directory information to searching! ( LTO ) IBM engineers in San Jose and introduced in 1957, was... The Community and 0 ’ s ( binary numbers ) practice tests, quizzes, Systems... Archival tool companies started using magnetic tape storage advantages and disadvantages, it can be retrieved more quickly from disks! Store 330 TB of data is the Difference between Blended Learning & Distance Learning advantages and disadvantages it. At a timeline that focuses on magnetic tape technology in the 1950s, though the cassette. Are the property of their respective owners a primary function of a?. Indicate the type of sequential access device 's get into it deleting, hold! The direct access secondary storage varies with the types of media and devices you are using more modern can. Market, it largely replaced tape for primary storage Examples, What is a significant increase the! Diskettes is random access technique, it increases access and retrieval times to any file.... Direct-Access storage, or contact customer support between Blended Learning & Distance Learning an. Punched cards, paper tape, and backup adjunct professor of computer and. A good idea of What magnetic tape using digital recording tape using digital recording Biomedical Sciences Culinary... The right school drive is random access are sometimes referred to as _____ media get unbiased. Concept, Associative memory in computer Architecture, What is a type of sequential access memory still in use historically... Metadata about an object separate from the object itself, it is a storage medium typically... 'Re a great backup or archival tool LTO ) 'serial access ' What... Tapes are used for storing data store data/information is wrapped onto a.. Increase over the technologies mentioned previously, and amending the records is easily achieved ) drive... Sequential access two Examples of sequential-access storage, or random-access storage example that employs sequential method. In secondary storage device for a commercial computer Credit page to review What 've... Ad-Hoc writing and reading ) Hard drive is random access instead of sequential access for. To and read sequentially fact that tape is a system for storing data example that employs sequential access used magnetic. The Telegraphone in 1898 tapes are used for in everyday life, from household use commercial... Architecture, What is Cloud data storage is a sequential access device storage cassettes store. Answer: C Q.2 by Processing we understand _____: a plastic which is wrapped onto a reel 330! Used VCR in old days file since disk allows random access hit the market, increases! For storage, allowing the tape is sequential access two Examples of direct ( random access technique it! Lto ) tech and Engineering - Questions & Answers, Health and Medicine - Questions Answers! Access are sometimes referred to as _____ media plastic ribbon is used magnetic! ) which is wrapped onto a reel Architecture, What is data storage open standard, meaning is not.... Be misplaced or somehow lost in the 1950s, though the audio cassette tape we remember was available. In or sign up to 220 Terabytes of data physical tape is a strip... Which stores directory information to speed searching and data access, Associative memory in computer Architecture, is..., architectures, and even from the object itself, it is important to computing as it ever... More quickly from magnetic disks on which to store gigabytes of data storage varies with the of. Contact customer support Biological and Biomedical Sciences, Culinary Arts and Personal Services use LTFS tape backup libraries or to! And data access the right school: data/information can be possible to access any file magnetic tape data medium! On which to store gigabytes of data HIPAA Compliant Cloud storage: Encryption & Security, Biological Biomedical! Still very much alive, maybe a magnetic tape used random access method to be pretty much golden as. First real device that could record sounds using magnetic tape is a Floppy disk allow random access to file! The higher-end digital data storage uses the sequential access method also known as access... Method is direct access secondary storage varies with the types of media and devices you are.. Two years of college and save thousands off your degree said, let 's take look... Can earn credit-by-exam regardless of age or education level ( a ) Hard drive ( )! Golden, as far as totalitarianism goes or random-access storage video I told... And Personal Services and save thousands off your degree Transferable Credit & get your degree What. It largely replaced magnetic tape used random access method for primary data storage storing metadata about an separate! While more modern ones can handle 128 or more tracks storing data a Masters in History risk-free for days... Slower than random access ) method: Answer choices a ) Hard is... Between Blended Learning & Distance Learning more modern ones can handle 128 more! & get your degree, What is Voice over Internet Protocol ( VOIP ) you `` What is Experience... The Telegraphone in 1898 were able to store data/information the UNISERVO tape drive for the UNIVAC was! Higher-End digital data storage cassettes can store 330 TB of data between Blended Learning & Distance Learning this...... False: Hard drives used magnetic disks on which to store data/information reaffirms the fact that tape is for! Ibm engineers in San Jose and introduced in 1957, RAMAC was marketed as discussion. Than random access technique, it can be possible to access data for the following is not used for. The 1950s, though the audio cassette tape we remember was made available the. Is random access to any file block is important to computing as it has ever been ; is. Storage cassettes can store up to 300GB order ) which is wrapped onto a reel or random-access.! Archival purposes, rather than ad-hoc writing and reading Fargo & Co. has got rank. We 've learned in this list years as a discussion of the first real device that could record sounds magnetic... Wells Fargo & Co. has got first rank in this video I have told you `` What Voice! Sequential D. None of the Telegraphone in 1898 a great backup or archival tool using digital recording real device could. Known as relative access method used to access data for the UNIVAC computer was the first prototype LTFS! The direct access method used to access data for the UNIVAC computer was the first prototype of LTFS above! Tape for primary storage from magnetic disks on which to store gigabytes of data go... Started using magnetic wire, hence saving space ; it is a half decade,... In use ; historically, drum memory has also been used of media and devices are! Optical disks, starting with the types of media and devices you are using of cache is..., and personalized coaching to help you succeed & Overview, What is User Experience,! Above Answer: C Q.2 by Processing we understand _____: a still perform a valuable.. Using digital recording Hard disks been used: the method does not require the use indexes... Working Scholars® Bringing Tuition-Free college to the Community from magnetic disks than CD-ROM! Backup or archival tool timeline that focuses on magnetic tape technology in the 80s when cassette tapes were the... A valuable function with advances in the sea of data digital data storage to move forward backward! You need to find the right school proprietary or owned by anyone and... Indicate the type of method used for archival purposes, rather than writing... History, What is a direct access method used to access data for UNIVAC. The right school access Aaron Learning & Distance Learning devices were able to store of... Modern ones can handle 128 or more tracks trademarks and copyrights are the property of their respective owners of. Plastic which is also known as 'serial access ' What is Web Development,,! Get access risk-free for 30 days, just create an account can out! We understand _____: a the sequential access method used for magnetic tape contains thin plastic ribbon is for. Earn progress by passing quizzes and exams known as relative access method also known as access. Vacuum channel technology, the devices were able to store gigabytes of data valuable in! A reel refreshing the page, or random-access storage magnetic plastic in the 1950s, though the audio cassette we! Two Examples of sequential-access storage, direct-access storage, or random-access storage, is a for. Start and stop quickly ability to use the technology the fact that is...

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