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Computer Science

~2700 answered questions
Parent Category: Computers
Computer Science is the systematic study of algorithmic processes that describe and transform information. It includes the theoretical foundations of information and computation and the practical techniques of applying those foundations to computer systems. Among the many subfields of Computer Science are computer graphics, computer programming, computational complexity theory, and human-computer interaction. Questions about Computer Science, terms such as algorithms and proofs, and methodologies are encouraged in this category.
Jobs with a Degree in CommunicationsHere are some suggestions:I am going for a degree in Communications with my major being Advertising. I know their are many jobs for that degree, like media, journalism (spelling?) Advertising, creating and presenting speeches. Any job that communicates through Ads…
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Jobs with a Masters in CS I would contact the career counseling department at the university and get some information there. The DISCOVER program is put out by ACT and is a great resource for this kind of information. Check with the CS department too, they may keep stats on the kinds of jobs their g…
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As a hiring manager of engineers and computer scientists, I do like to see an objective. I realize that recent graduates are afraid that they'll exclude themselves from certain jobs by stating an objective that's too narrow. But that's exactly the point: your objective should include everything you …
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Answer IT and CS are totally different fields. Careers are different. CS graduates hardly replace IT Graduates. CS takes focus in scientific research, scientific programming, and software engineering where IT in information system and information management. Some parts are overlapping each other.…
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TRUNCATE and DELETE:It also removes the rows from the specified location in the query like DELETE command, but the only difference is :1. rows once u truncated cnnot be ROLLBACKED like in DELETE. 2. which ROLLBACK can be possible with delete. 3. Truncate is used for HUGE databases or tables bcz it w…
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Answer The very first computer was the Abacus, invented in 3,000 B.C. For a history of the modern computer, use Google Search and type in Computer History.
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The information technology course module has been designed with more of software part in the course whereas Computer Science includes more of computer hardware part like networking, chip level knowledge etc. Although some of the subjects are same in both the streams. Information Technology is the …
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There are several opinions about this question. In my humble opinion the answer is yes. I got an Associates Degree in 1983 and it has provided me with a very comfortable living. As in most professions, experience is what matters. It is my opinion that since technology changes so fast that by the ti…
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Software Developer, Network Administrator, Help Desk Analyst, Systems Administrator. These are all good positions; it just depends on what your focus is in I.T.
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You may never have heard of him, but it is largely thanks to his genius that you are reading this on your computer. Alan Turing, a pioneering 20th century mathematician, is widely considered to be the father of modern computer science. Turing was born in London in 1912 into an upper-middle class f…
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Let me explain with a example. Suppose consider a method funX() which is in class Z. Suppose a programmer ABC inherited the class Z to class X and overrided the funX().So this class will have the new implementation of funX(). Suppose a programmer DEF inherited the class Z to class Y and overrided…
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Try a rent-to-own place.Like Pearsey's or Aaron's rent-to-own.Shopping networks are a great place to buy laptops and other things on installments. It is called easy pay on QVC and allows you to make 2-4 installments with no interest or credit checks.
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What is ICT? Information and communications technology (ICT) refers to all the technology used to handle telecommunications, broadcast media, intelligent building management systems, audiovisual processing and transmission systems, and network-based control and monitoring functions. Information a…
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The study of computers, how they are made, programmed and used.Computer Science is a combination of theoretical and practical knowledge. The practical part of computing is available to see everywhere as almost every person on users' computer for certain tasks, whether it be designing, development or…
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HTML is static. It's simply a particular way of display information. An HTML page, much like a printed page, cannot respond to the user in any way. A DHTML page uses JavaScript to dynamically respond to the user's interactions. (The "D" in DHTML stands for "dynamic") When a DHTML page is more ap…
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The largest number which can be stored in an 8 bit memory byte is 255 .The largest prime number below 255 is 251.
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In computer science and software engineering;Here is a quick overview of the three computing majors that our department offers. I teach primarily software engineering courses so it may be a bit biased. 1. Computer Science covers the core concepts and technologies involved with how to make a computer…
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1. Computer Science covers the core concepts and technologies involved with how to make a computer do something. Learning to program a computer by writing software is essential, and computer programming is used in most computer science courses. You will learn details about how computers and networks…
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Because Dr. John Vincent Atanasoff had too many physics problems to solve that required the calculation of systems of simultaneous equations that were much too large for the manual methods of the time using either slide rules or mechanical desk calculators.
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The average starting salary for 2010 is $61,205 -- source CNBC .
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The Computer Scientist works on super computers
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Functions of a Database Management System: - Database Definition - Database creation (storing data in a defined database) - Retrieval (query and reporting) - Update(Changing the contents of the database) - Programming User Facilities for system development) - Database revision and restructurin…
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Finite State Machine is a model to describe how the internal state of the machine varies due to the corresponding actions. The number of states of the machine are limited as the name suggests.
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The largest number which can be stored in 8 bits is 255. The largest prime number which is less than or equal to 255 is 251.
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flags alu etc
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Computer science (or computing science) is the study of the theoretical foundations of information and computation, and of practical techniques for their implementation and application in computer systems. It is frequently described as the systematic study of algorithmic processes that describe and …
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There is no institution called "University of Indiana"; its name is "Indiana University."
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The following are operations performed by queue in data structuresEnqueue (Add operation) Dequeue (Remove operation) Initialize
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Advantage: you could use it to simplify some tasks in your life. Disadvantage: is very addicting to use. (Some people can't stay away from their computer for more than a day!)
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The Basic Elements of a Computer: Hardware - Compose of the physical components. The tangible parts of a computer. ex. power supply, keyboard, mouse, etc. Software - Intangible parts. The parts which do not have material form. ex. datas, programs, protocols, etc. Slightly more detailed: Includ…
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it saves our time
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A VLAN is a virtual LAN. In technical terms, a VLAN is a broadcast domain created by switches. Normally, it is a router creating that broadcast domain. With VLAN's, a switch can create the broadcast domain.This works by, you, the administrator, putting some switch ports in a VLAN other than 1, the d…
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input output
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I'm not sure what you mean, as I understand it there are many types of computers but you could break it down into mainframe and person computers but that's a large generalisation.
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Sony, Apple, Dell, HP, Asus,... are there any others?
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Semaphore was a process of communication using flags to send messages,primarily between sailing vessels. Based on the positioning and patterning of the flags, messages could be sent when other methods were not practical or available. It is easiest to think of semaphore as a form of sign language.
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new antivirus for mobile 'Netqin antivirus 3.2'
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advantage 1.higher performance due to parallel processing. 2.if one CPU get failed other CPU are used to do that CPUs job. disadvantage 1.complex OS is required. 2.large main memory requried. 3.very expensive.
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please tell me about the specific form of EDP Audit
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its OS dependent.. but if the interviewer aaks u ,u can say say it is stored in instruction queue
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2, Laptops,and Desktops.
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Answer Literally, an object in programming is a collection of data and functions (remember that functions just bits of data, too). An object's class defines what those data and functions are and how to make new objects of that class. So a class is like a cast to make a plastic toy and an object …
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The way we will understand the target of our programs better, and so they will be more efficient. It also lets us learn programs for individual machines.
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computer is a mechanical device which want instruction from some one to do a work but human being can give instruction by using their own mind
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computer-based system(it contains both hard ware and software) that can process data that are incomplete or only partially correct Fuzzy logic was introduced as an artificial intelligence technique, when it was realized that normal boolean logic would not suffice. When we make intelligent decisions,…
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the sever works like the management of the Network's and for the security reasons
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In The Middle Of 19th Century ,an English mathematician George Boole developed rules for manipulations of binary variables, known as Boolean Algebra. This is the basis of all digital systems like computers, calculators etc. 0and 0=0 0 and 1=0 1 and 0=0 1 and 1=1. He did not develop his Boolean Algeb…
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Roughly, there are about 1000 kilobytes (KB) in a megabyte (MB). More specifically, there are three possible definitions of the megabyte: 1000×1000 bytes (SI international standard, used in disk drives, networking, etc.)1024×1024 bytes (common in memory manufacturer specs and some old floppy disk…
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See related link for Network TopologiesTopology refers to the shape of a network , or the network's layout. How different nodes in a network are connected to each other and how they communicate are determined by the network's topology. Topologies are either physical or logical. Below are diagrams of…
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Advantages of computers: -They can help you automate various tasks that you cannot do manually. -They can help you organize your data and information. -They have much more computing and calculating power then an ordinary human. -They may help your work to be a lot easier. -They can help you com…
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The hp officejet 4215v all-in-one
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Firstly, thanks for trying solve this algorithm. I will rewrite the wrong way and debug it in the next line, and the causes in th last line , O right?wrong:void delete(int n).debug:void delete_node(node* list, int n).causes:-You have to include the name of the list from which you want to delete a no…
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Computer networks are collections of computers which are connected together in order to communicate and transfer information. Questions about computer...
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Not too much if you are a one man/very small shop. Any kind of organized programming method works in this environment if you are competent in the language(s) you are using and have a good knowlege of the business/science side of the project. You have to understand the subject before you can write th…
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An undergraduate computer science program that does not teach any programming is going to be useless. When you graduate and get a job in the industry or enroll in graduate school you are expected to understand MANY different concepts of programming, if you have never actually done any programming yo…
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in the 5os -tshay That depends on how you define 'modern-day computers'. The first electronic computers were developed in the mid-20th century (1940-1945), and were the size of a large room. Personal computers (PCs) only came about in the 1970s, after the microprocessor was introduced. It's impos…
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can u tell some recent topics in giving the prfesentation in the college related to computer techniques that is recently work..so that i wl get gud response by college and will help in my placment..
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The developments in IT have helped to increase the value of the data resources of many companies because with the help of IT a new data resource management regime has been laid down that gives stress on the development of a high-quality, integrated, comparative data resource within a common data arc…
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DBMS is an application that is used to manage & maintain Databases. DBMS provides scalability & modifications in Databases & makes them accessible via SQL queries.
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Input, process, output
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Most of us know the pros of having a computer (links us to other parts of the world and provides us with information we use to have to search for at the library, etc.) These are some of the negative things about the computerized world:The younger generation would rather communicate through computer …
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Bubble sort is a sorting algorithm that compares 2 adjacent items at a time, starting from the beginning of a list, and swapping them if they are out of sequence. Each comparison gradually moves the largest item to the end of the list (likened to a bubble making its way to the surface of water). Aft…
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The very first modern computer (and alot more computers - lots of different types) were invented around 1822 and were very popular.
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The "machine language" and "assembly language" for each CPU architecture are the lowest-level programming languages. The "Forth language" and the "C programming language" are perhaps the most popular non-CPU-specific low-level programming languages. They were once considered high-level programming…
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i pods and cat scan.
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dataset is a ado.net object .it is adisconnected
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the answer is computer programming
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computers are divided into the following groups: Desktop/ Personal ComputerServerMainframeSuper ComputersEach of these are then further divided into different specifications, size and purpose groups.for example: Servers can be : Mailservers, Proxy Servers, Web Servers etc.Hope it is of some usesourc…
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Design a pushdown automata for the same. Otherwise, you can use the following grammer : S -> aSb|bSa|<NULL>
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936- Konrad Zuse invented the Z1 Computer. This was the first computer that was freely programmable. 1942- John Atanasoff and Clifford Berry created the ABC Computer. 1944- John Presper Eckert and John W. Mauchly came up with the idea for the ENIAC 1 computer. It was the first real scenario where …
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An ergonomic keyboard is a keyboard designed to interface more easily with the natural positions of the hands. Their purpose is to prevent repetitive-stress injuries and discomfort. Ergonomic keyboards are typically split in the middle, and the halves separated and rotated so that they may be used …
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Never, he designed the Analytical Engine in the 1840s but it was never built.
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Computer engineering focuses on computers hardware, similar to electrical engineering, but Computer Science Engineering focuses on the software of computer, ie computer programing.
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It is less efficient on list containing more number of elements. As the number of elements increases the performance of the program would be slow. Insertion sort needs a large number of element shifts.
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Different OS will executes theire some own type of files take an example for windows os, in this every file will be installed by .exe file and unix it will be another file executesso jvm depends on OS Technically speaking, the Java Virtual Machine specification is NOT platform-dependent, as it defin…
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Answer ICT intrisically includes bringing communication technology like telephony to places that never hadit before difference of IT and ICT ICT intrisically includes bringing communication technology like telephony to places that never hadit before
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A mini computer is used for resource-intensive applications that involve the processing and storage of voluminous amounts of data. Examples include meteorology and space travel.
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site for HTML calendar visit javascriptkit.com for calendars..
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Interactive processing is conversion of data into information that relies on inputs from the user at certain stages of the process. On the other hand, real-time processing is data processing where results have to be produced within a stipulated (minimal) amount of time.
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Yes, it does. When more memory is allocated to a block than required, internal fragmentation starts.
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The complexity of bubble sort is O(n2), also known as exponential complexity. In case this still isn't quite clear, it means that given n elements (for example, 20), it will take, on average, n times n loops (for example, 20 times 20 is 400).
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In recent years, several very efficient exact optimization algorithms have been developed in the computer science community. Examples are maximum flow algorithms, minimum-cost flow techniques, matching methods, which all are graph theoretical approaches or sophisticated branch-and-cut methods, origi…
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1. Find out the address of the element A(4,5,2) where A is a 3-dimensional array with subscript limits 1≤ i ≤6, 1≤ j ≤7 and 0≤ k ≤4 when A is in row major addressing. Assume base address is 1000 and word size is 2. Answer: Array(depth,col,row) means A(4,5,2) Address= BASE+ ((depthindex*c…
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Try contacting Parag Wani.I have heard he teaches great!9820242228I think you should go for "Shreyansh Professional Computer Tutors"."Shreyansh Professional Computer Tutors" is a leading center for IT Training solutions at Mumbai, India. They provide the top quality training with focused practical a…
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Algorithms are critical to the field of computer science. They embody the logic used to solve a problem. Written in words, they are (computer) language independent, and they allow peer/team review, so that a good design can result.
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the first computers were invented in mid 1930s but nothing was actually built until beginning of ww2.
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In Excel, for example, if you write (A3,A8), the computer only takes cells A3 and A8, whereas if you write (A3;A8), it takes every cell between A3 and A8 (A3, A4, A5, A6, A7, A8).
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Answer Impact printers are dot-matrix printers like the Okidats Microline series. they use a print-head that has anywhere from 9 to 24 small pins that are forced out of the head and onto an ink impregnated ribbon which hits the paper and makes the impression of the character... just like a typewr…
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Microsoft is a brand like Addidas or Prada. Excel is a programme that you use for producing spreadsheets.
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Answer A class is basically a definition, and contains the object's code. An object is an instance of a class. For instance, there is one java.lang.String class, but you can instantiate any number of distinct java.lang.String objects (instances). While a class defines the instance variables than …
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Let's say, I were to go create a button object for the program user to click on...; the button text might say. [Click here] ...or,... [Click here to see Help] ...or,... [Click here to sort list] -etc. At first, the button would just simply sit there; and, therefore, the program would take no …
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Charles Babbage
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DO-WHILEdo{ ............ //body ............}while(condition); Condition Operator (Condition ) ? Result if Condition TRUE : Result if Condition FALSE Break <LOOP> { if(condition TRUE) { Break }continue
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The first successful high-speed electronic digital computer was the Colossus computer, invented by Tommy Flowers during WW2. The earliest computer (it was mechanical) was Charles Babbage's Analytical Engine, invented in 1834.
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np simply means no problem
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Answer Passes: bold are "sunk" into place 1: 5 19 2 7 28 2: 5 2 7 19 28 3: 2 5 7 19 28 4*: 2 5 7 19 28 *The last pass had no swaps, thus it breaks out of the sort Efficiency: O(n^2) in random order O(n) when already sorted
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A group of half a byte (4 bits) is referred to as a nibble.
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Applied science is Awesome so intresting
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