Use K-Means for Clustering 1. Dataset For this tutorial‚ we will work on some unlabeled data from the US Census Bureau. The following introduction to this dataset is for you to learn about its attributes and interpret results: Attributes of the raw data is discretized to have less attribute values‚ which is the data we are seeing now. Attributes description of the raw data attributes is at: http://archive.ics.uci.edu/ml/databases/census1990/USCensus1990raw.attributes.txt Some attributes are kept
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Online reservation system is helping Air Asia to reduce cost‚ employees and time. Air Asia use online reservation system for customers to book airlines tickets on 24 hours‚ it can increase the bookings while the employees are not in front of the computers and reduce the complaint from customers. Air Asia is providing two different ways for customers to book the ticket. One way is for customers only book the airlines ticket while another way is give customers to book airlines ticket and hotels. If
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RAID 0 not an option for data protection and high availability? RAID 0 is data striping. This means that data will appear to a user as one logical disk but all the data is distributed among two physical disks. If one disk fails operation cannot continue and data is lost because it is only stored in one place. RAID 1 uses two disks that are mirrored copies of each other. If one disk fails‚ operation can continue and no data is lost. 3. Explain the process of data recovery in case of a drive
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new age media include the internet and mobile phones. 3 Additional Answers The different types of media include newspapers‚ magazines‚ television‚ and radio. We communicate through media on a daily basis. There are three different types of computer media that are commonly used. The most common is optical disk which includes CD‚ DVD‚ and Blu-ray. A second type of media is tape‚ which is really only used for back up. The third is flash memory which is used in USB drives and memory cards.
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1.1 At least two reasons why the organization needs to collect HR data 1.2 At least two types of data that is collected within the organization and how each supports HR practices Appraisals/ Training HR data includes results obtained by the employee in his/her job and during the appraisal skills are being measured as well as accomplishments with reasonable accuracy. Collecting and recording this kind of HR data provides a way to help identify areas of employee’s performance and to
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How are data being represented in computers? Computers work with a binary number system that consists of only two digits - zero and one. Inside the computer binary number is represented by an electrical pulse. One means a pulse of electricity and zero means no pulse. All the data entered into computers is first converted into the binary number system. One digit in binary number system is called bit and combination of eight bits is called byte. A byte is the basic unit that is used to represent the
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Video 1.06 Storage Devices Hard Drives Hard drives are comprised of platters Read/Write heads for each platter Read and write on top and bottom of platter Never exposed to magnets Data loss may occur 137 GB Limit Hard Drive size limited to 137GB Not a physical limit Limited by address the system can support 28 bit communications limited to 268‚435‚555 addresses equates to 137 GB Flash BIOS to upgrade hard drive interfaces PATA‚ SATA‚ SCSI‚ USB‚ and FireWire most common is the
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POLICE AND CRIMINAL EVIDENCE ACT (PACE) CODE E REVISED CODE OF PRACTICE ON AUDIO RECORDING INTERVIEWS WITH SUSPECTS E Commencement - Transitional Arrangements This Code applies to interviews carried out after 00.00 on 27 October 2013 notwithstanding that the interview may have commenced before that time. 1 35507 Pace Code E Text.indd 1 24/02/2014 10:47 Codes of Practice – Code E Audio recording interviews with suspects Contents 1 General ................................................
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How to Recover Deleted/Lost Data from Integral Ultima Pro-X2 Memory Card Integral Ultima Pro-X2 Memory Card Integral Ultima Pro-X2 Memory Card is a professional-grade memory card‚ ideal for high end DSLRs and compact cameras. These memory cards are the best choice for cameras and camcorders that record 4K‚ 3D and full HD content. Their high speed‚ excellent performance and durability makes them the choice of professionals all over. The Integral Ultima Pro-X2 Memory Card range of memory cards is enabled
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portable systems‚ whereas the 2 1/2-inch and smaller drives are popular in portable and notebook systems. Most HDDs have two or more platters‚ although some of the smaller drives used in portable systems and some entry-level drives for desktop computers have only one. The number of platters a drive can have is limited by the drive’s vertical physical size. The maximum number of platters I have seen in any 3 1/2-inch drive is 12; however‚ most drives have six or fewer. Platters were originally
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