the use of computers improved the quality of life for teenagers? With new technology‚ the ways teens live have dramatically changed since the 70’s‚ 80’s‚ and 90’s. People may argue that computers have negatively affected teen’s lives in ways such as‚ lack of communication skills‚ trouble in school‚ and causing violence from video games. There have been statements going around that teenagers are lacking face-to-face communication skills in result of repeatedly communicating over the computer. It has
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Computer software can be divided into two main categories: application software and system software. Application Software: Application Software includes programs that do real work for user. Example: Payroll systems‚ Inventory Control‚ Manage student database‚ Word Processor‚ Spreadsheet and Database Management System etc. Application software consists of the programs for performing tasks particular to the machine’s utilization. Examples of application software include spreadsheets‚ database systems
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best alternative in the following: Q.1 In the relational modes‚ cardinality is termed as: (A) Number of tuples. (B) Number of attributes. (C) Number of tables. (D) Number of constraints. Ans: A Q.2 Relational calculus is a (A) Procedural language. (C) Data definition language. Ans: B Q.3 The view of total database content is (A) Conceptual view. (C) External view. Ans: A Q.4 Cartesian product in relational algebra is (A) a Unary operator. (B) a Binary operator. (C) a Ternary operator. (D) not defined
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Introduction to Computers What is a computer? An electronic device for storing and processing data‚ typically in binary form‚ according to instructions given to it in a variable program.. Many people believe that knowing how to use a computer‚ is one of the basic skills needed to succeed in the workplace. In order to use the computer it is necessary to understand how the computer works. Hardware | Computer hardware is made up of the equipment used to make up you computer unit. These parts
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Data collection is any process of preparing and collecting data‚ for example‚ as part of a process improvement or similar project. The purpose of data collection is to obtain information to keep on record‚ to make decisions about important issues‚ or to pass information on to others. Data are primarily collected to provide information regarding a specific topic. Data collection usually takes place early on in an improvement project‚ and is often formalized through a data collection plan which often
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Department of Computer Science Western Connecticut State University CS 450 Data Mining‚ Fall 2014 Take-Home Test N#1 Date: September 22nd‚ 2014 Final deadline for submission September 29th‚ 2014 Weighting: 5% Total number of points: 100 Instructions: 1. Attempt all questions. 2. This is an individual test. No collaboration is permitted for assessment items. All submitted materials must be a result of your own work. Part I Question 1 [20 points] Discuss whether
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Parts of the Computer & Their Functions Computers are assembled from several key components that make the computer functional‚ called hardware. While most computer users are primarily familiar with the monitor‚ keyboard‚ mouse‚ and other peripherals‚ the most important physical parts of a computer exist inside the case. CPU * The central processing unit processes all of the data that is accessed by the machine. In PCs the CPU‚ or microprocessor‚ is a small silicon chip located beneath the
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Data mining is a concept that companies use to gain new customers or clients in an effort to make their business and profits grow. The ability to use data mining can result in the accrual of new customers by taking the new information and advertising to customers who are either not currently utilizing the business ’s product or also in winning additional customers that may be purchasing from the competitor. Generally‚ data are any “facts‚ numbers‚ or text that can be processed by a computer.” Today
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Symposium April 1‚ 2010 Dr. Marcus Semones WaveGuide Corporation WaveGuide is an early stage mobile analytical instrument company building a suite of next generation handheld (i) infrared and (ii) nuclear magnetic resonance spectrometers for portable use in multiple untapped markets. WaveGuide’s business model: •Acquire exclusive worldwide licensing for existing handheld infrared spectrometer technologies for placement into large unrealized markets (to be licensed from defense company already earning
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business intelligence‚ data warehouse‚ data mining‚ text and web mining‚ and knowledge management. Justify and synthesis your answers/viewpoints with examples (e.g. eBay case) and findings from literature/articles. To understand the relationships between these terms‚ definition of each term should be illustrated. Firstly‚ business intelligence (BI) in most resource has been defined as a broad term that combines many tools and technologies‚ used to extract useful meaning of enterprise data in order to help
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