What is the difference between data warehousing and data mining?

A data warehouse is a database used to store data. ... The main difference between data warehousing and data mining is that data warehousing is the process of compiling and organizing data into one common database, whereas data mining is the process of extracting meaningful data from that database.

Programming language

 A programming language is a formal language that specifies a set of instructions that can be used to produce various kinds of output. Programming languages generally consist of instructions for a computer. Programming languages can be used to create programs that implement specific algorithms.

There are programmable machines that use a limited set of specific instructions, rather than the general programming languages of modern computers. Early ones preceded the invention of the digital computer, the first probably being the automatic flute player described in the 9th century by the brothers Musa in Baghdad, during the Islamic Golden Age. From the early 1800s, programs were used to direct the behavior of machines such as Jacquard looms, music boxes and player pianos. However, their programs (such as a player piano's scrolls) could not produce different behavior in response to some input or condition.

NoSQL

A NoSQL (originally referring to "non SQL" or "non relational")database provides a mechanism for storage and retrieval of data that is modeled in means other than the tabular relations used in relational databases. Such databases have existed since the late 1960s, but did not obtain the "NoSQL" moniker until a surge of popularity in the early twenty-first century, triggered by the needs of Web 2.0 companies such as Facebook, Google, and Amazon. NoSQL databases are increasingly used in big data and real-time web applications. NoSQL systems are also sometimes called "Not only SQL" to emphasize that they may support SQL-like query languages.

Motivations for this approach include: simplicity of design, simpler "horizontal" scaling to clusters of machines (which is a problem for relational databases), and finer control over availability. The data structures used by NoSQL databases (e.g. key-value, wide column, graph, or document) are different from those used by default in relational databases, making some operations faster in NoSQL. The particular suitability of a given NoSQL database depends on the problem it must solve. Sometimes the data structures used by NoSQL databases are also viewed as "more flexible" than relational database tables

Machine learning

Machine learning is an application of artificial intelligence (AI) that provides systems the ability to automatically learn and improve from experience without being explicitly programmed. Machine learning focuses on the development of computer programs that can access data and use it learn for themselves.

The process of learning begins with observations or data, such as examples, direct experience, or instruction, in order to look for patterns in data and make better decisions in the future based on the examples that we provide. The primary aim is to allow the computers learn automatically without human intervention or assistance and adjust actions accordingly.

Artificial intelligence

Artificial intelligence (AI) is an area of computer science that emphasizes the creation of intelligent machines that work and react like humans. Some of the activities computers with artificial intelligence are designed for include: 

Speech recognition 

Learning 

Planning 

Problem solving

Algorithmic efficiency

In computer science, algorithmic efficiency is a property of an algorithm which relates to the number of computational resources used by the algorithm. An algorithm must be analysed to determine its resource usage. Algorithmic efficiency can be thought of as analogous to engineering productivity for a repeating or continuous process.

For maximum efficiency we wish to minimize resource usage. However, the various resources (e.g. time, space) cannot be compared directly, so which of two algorithms is considered to be more efficient often depends on which measure of efficiency is considered the most important, e.g. the requirement for high speed, minimum memory usage or some other performance benchmark.


Theoretical analysis

In the theoretical analysis of algorithms, the normal practice is to estimate their complexity in the asymptotic sense, i.e. use Big O notation to represent the complexity of an algorithm as a function of the size of the input n. This is generally sufficiently accurate when n is large, but may be misleading for small values of n (e.g. bubble sort may be faster than quicksort when only a few items are to be sorted).

Notation	Name	Examples
${\displaystyle O(1)\,}$	constant	Finding the median from a sorted list of measurements; Using a constant-size lookup table; Using a suitable hash function for looking up an item.
${\displaystyle O(\log n)\,}$	logarithmic	Finding an item in a sorted array with a binary search or a balanced search tree as well as all operations in a Binomial heap.
${\displaystyle O(n)\,}$	linear	Finding an item in an unsorted list or a malformed tree (worst case) or in an unsorted array; Adding two n-bit integers by ripple carry.
${\displaystyle O(n\log n)\,}$	linearithmic, loglinear, or quasilinear	Performing a Fast Fourier transform; heapsort, quicksort (best and average case), or merge sort
${\displaystyle O(n^{2})\,}$	quadratic	Multiplying two n-digit numbers by a simple algorithm; bubble sort (worst case or naive implementation), Shell sort, quicksort (worst case), selection sort or insertion sort
${\displaystyle O(c^{n}),\;c>1}$	exponential	Finding the (exact) solution to the travelling salesman problem using dynamic programming; determining if two logical statements are equivalent using brute-force search

What are currently the hot topics in computer science research?

Algorithms design and analysis ( For making the algorithms more efficient and powerful ).
Artificial Intelligence and machine learning.
NoSQL databases ( non-relational ) being used by major sites such as Facebook.
Optimizations in programming languages and their constructs.
Data Warehousing and Data Mining.
Threads, Mutexes and locks ,(Synchronisation better algorithms).
Making programs smarter i.e programs spawning and managing programs when certain conditions are met.
 Making browsers' http requests more faster using SPDY technology used in Chrome browsers. Development of Smart Routers which adapt themselves to the varying traffic of packets.
 HTML5 and OpenWeb technologies such as Firebug and Firephp.

questions anserws gk

1. "The fathers of the Internet" is
 Ans : Vint Cerf
 2. Which is the news search engine introduced by Rediff.com in 2012?
Ans : Realtime News Search
 3. The inventor of the World Wide Web?
 Ans : Tim Berners-Lee --> The first web browser was invented in 1990 by Sir Tim Berners-Lee. It was called WorldWideWeb and was later renamed Nexus.)
 4. The founder of Netscape Communications?
Ans : Marc Andreessen -co-authored Mosaic, the first widely-used web browser and he founded Netscape Communications.
5.Where was the first computer installed in India?
 Ans : Indian Statistical Institute, Kolkata
6.In internet terminology IP means Internet Protocol
 7. The first page of a website is called the
 Ans : Home page
 8. A website addresss is a unique name that identifies a specific ____________ on the web.
Ans : Link
9. A ______ is a computer attached to the internet that runs a special web server software and can send web pages out to the other computer over the internet.
 Ans : Web sever
10. Which software application is used for accessing sites or information on a network ( as the world wide web)?
Ans : Web browser
 11. It is a small piece of text stored on a user's computer by a web browser for maintaining the state. What we are talking about?
Ans : Cookie
12. Which company is nicknamed "Big Blue" ?
Ans : IBM(International Business Machines Corporation)
13. Which was the first ever web server software?
Ans : CERN httpd(later also known as W3C httpd) - was a web server (HTTP) daemon originally developed at CERN , it live on 25 December 1990.
14. The standard protocol of the Internet is
Ans : TCP/IP
 15. The first web based e-mail sevice?
Ans : Hot mail Sabeer Bhatia of India and Jack Smith founded the first free web-based email service, Hotmail, in 1995. Hotmail was commercially launched in 4 July 1996 as "HoTMaiL" on American Independence Day. So why the name HoTMaiL.

How long does a computer screen last?

Liquid Crystal Display Monitors. LCD monitors are typically rated for 30,000 to 60,000 hours of use, which amounts to 10 to 20 years if you run the monitor eight hours a day.

What are the advantages of computers?

Computer technology and use is of critical importance. Its ability for communication and storing data would represent another advantage. If connected to the internet, its ability to obtain resources would be another attribute.

What are the uses of the computer?

Computers are used to control large and small machines which in the past were controlled by humans. They are also in homes, where they are used for things such as listening to music, reading the news, and writing. Modern computers are electronic computer hardware.

Why is it important to have basic computer skills?

Computer literacy is considered a very important skill to possess. Employers want their workers to have basic computer skills because their company becomes ever more dependent on computers. ... These critical computer and Internet skills are valued in today's academic and professional environments.

Why are computers so important in our daily life?

Why are computers so important in our daily life?The Importance Of Computers In Our Daily Lives. In the current world, it's almost impossible to imagine that someone can live without computers. They have become an electronic device of almost every day use for individuals of every age, and essential in almost all the business dealings that are made nowadays.

What is the importance of studying computer?

The most important aspect of computer science is problem solving, an essential skill for life. Students study the design, development and analysis of software and hardware used to solve problems in a variety of business, scientific and social contexts.

Why computers in education is important?

Computers play a vital role in every field. They aid industrial processes, they find application in medicine; they are the reason why software industries developed and flourished and they play an important role in education. This is also why the education system has made computer education a part of school curriculum

computers and school education today PART-2

PC training in schools assumes essential part in understudies vocation improvement. PC with the web is the most intense gadget that understudies can use to learn n
ew abilities and further developed rendition of current exercises. Schools are the world over showing understudy's nuts and bolts of PCs and web.

The employments of PCs and web are developing step by step at rapid. In all business, organizations, schools utilizing PCs for different authority tasks. New tech instruments are coming that helping understudies to learn better.

PCs assist understudies with drawing the innovativeness on the PC, for example, by utilizing windows paint program. On the off chance that understudies are taking Hindi Classes or sonnet composing then they can do it by writing in Hindi on PCs. On the off chance that understudies are taking Mathematical classes they can utilize Microsoft Excel application to illuminate and comprehend questions.

Guardians need their children to be wise and innovative. They need to see high checks toward the finish of the year. They would prefer not to see their children don't think about PCs when different knows extremely well. They need to send their children to schools where the abnormal state of instruction and schools have enough IT foundations. That is the reason particularly tuition based schools are driving in training and taking higher charges on account of the significance of PCs instruction. Be that as it may, not all guardians can concede their understudies in expensive schools.

PCs and the web not just assist understudies with exploring inventiveness and creative energy yet in addition help to comprehend advancements. Understudies are future pioneers for any country. Current school understudies are future specialists, engineers, business visionaries. In this way, for the training advancement, it is extremely imperative to instruct understudies in schools about PCs, the web and its advantages.

In schools, PC training is one the most critical subject in the event that you contrast this is and current mechanical updates and requests of PC learning in different government and private parts occupations. In schools it is extremely imperative for PC educators to show understudies about How to utilize PCs, How to comprehend, the advantages of utilizing a different application, for example, Microsoft word, exceed expectations, control point, Internet wellbeing and so forth. I know the greater part of the schools are endeavoring to do this. In any case, they are encouraging understudies in schools about PCs more hypothetically than viable instruction.

Computer and school education today

Computer education in schools plays important role in students career development. Computer with the internet is the most powerful device that students can use to learn new skills and more advanced version of current lessons. Schools are around the globe teaching student’s basics of computers and internet.

The uses of computers and internet are growing day by day at high speed. In almost all business, companies, schools using computers for various official operations. New tech tools are coming that helping students to learn better.

Computers help students to draw the creativity on the computer such as by using windows paint program. If students are taking Hindi Classes or poem writing then they can do it by typing in Hindi on computers. If students are taking Mathematical classes they can use Microsoft Excel application to solve and understand questions.
Parents want their kids to be intelligent and creative. They want to see high marks at the end of the year. They don’t want to see their kids don’t know about computers when other knows very well. They want to send their kids to schools where the high level of education and schools have enough IT infrastructures. That’s why especially private schools are leading in education and taking higher fees because of the importance of computers education. But not all parents are able to admit their students in costly schools.

Computers and the internet not only help students to explore creativity and imagination but also help to understand technologies. Students are future leaders for any nation. Current school students are future doctors, engineers, entrepreneurs. So, for the education development, it is really important to teach students in schools about computers, the internet and its benefits.

In schools, computer education is one the most important subject if you compare this is with current technological updates and demands of computer knowledge in various government and private sectors jobs. In schools it is really important for computer teachers to teach students about How to use computers, How to understand, the benefits of using a various application such as Microsoft word, excel, power point, Internet safety etc. I know most of the schools are trying to do this. But they are teaching students in schools about computers more theoretically than practical education.

What I Love about Computer Science Students

I don’t really know if this means anything, but it’s an interesting observation nonetheless: I’m sitting here in my Networking lecture and decided to look around the class. Peeking at other laptops is always fun because the people using them are almost never paying attention to the professor. So if this were a normal class, most people’s open laptops would be on Facebook, BuzzFeed, Reddit or any other entertaining yet mindless site. But In this class I can see 6 different laptop screens, and 5 of them are filled with code being written. One student is working on some website’s front-end, one is hacking away on at the terminal, and another is checking out what looks like the Twitter API documentation. Instead of daydreaming or goofing off, these guys are working on side projects, building cool stuff and growing their skill-sets. Maybe it’s because we have easy access to our work, or maybe there’s just something inspirational about a learning how routers and switches work (I doubt it). Whatever the reason, I love how much Computer Science students enjoy their work.

LIFE WITHOUT COMPUTERS???

Nowadays, we cannot imagine our life without computers and the fact is that they have become so important that nothing can replace them. They seem to be everywhere today. Since 1948 when the first real computer has been invented our life has changed so much that we can call it real digital revolution. First computers differed from today's ones. They were so huge that they occupied whole rooms or buildings being relatively slow. They were not faster than modern simple watches or calculators. Nowadays they are also used by scientist and they may also be as huge as the old ones but they are millions times faster. They can perform many complex operations simultaneously and scientist practically can't do without them. Thanks to them people has access to enormous amount of information. Gathering data has never been more simple than now. They are not only used in laboratories but also in factories to control production. Sometimes it is computers who manufacture other computers. But not only in science and industry computers are being used. Thanks to them modern medicine can diagnose diseases faster and more thoroughly. Also in banking system computers have become irreplaceable. They control ATMs, all data is stored on special hard disks and paper isn't used in accountancy any more. Furthermore, architects, designers and engineers can't imagine their work without computers. This machines are really everywhere and we depend on them also in such fields as criminology. They help police to solve crimes and collect evidence. Moreover, computers are wide-spread in education. Except their classic tasks such as administration and accountancy they are used in process of learning. Firstly, they store enormous amount of data which helps students to gain an information. Secondly, thanks to special teaching techniques and programs they improve ours skills of concentration and assimilation of knowledge. They have become so popular that not knowing how to use them means to be illiterate. Of course except this superb features there is also dark side of computer technology because every invention brigs us not only benefits but also threats.

Importance of Microsoft Excel for Students

Parents want their kids to be intelligent and creative. They want to see high marks at the end of the year. They don’t want to see their kids don’t know about computers when other knows very well. They want to send their kids to schools where the high level of education and schools have enough IT infrastructures. That’s why especially private schools are leading in education and taking higher fees because of the importance of computers education. But not all parents are able to admit their students in costly schools. Computers and the internet not only help students to explore creativity and imagination but also help to understand technologies. Students are future leaders for any nation. Current school students are future doctors, engineers, entrepreneurs. So, for the education development, it is really important to teach students in schools about computers, the internet and its benefits.

Importance of Computer Education in Schools for Students

Computer education in schools plays important role in students career development. Computer with the internet is the most powerful device that students can use to learn new skills and more advanced version of current lessons. Schools are around the globe teaching student’s basics of computers and internet. The uses of computers and internet are growing day by day at high speed. In almost all business, companies, schools using computers for various official operations. New tech tools are coming that helping students to learn better. Computers help students to draw the creativity on the computer such as by using windows paint program. If students are taking Hindi Classes or poem writing then they can do it by typing in Hindi on computers. If students are taking Mathematical classes they can use Microsoft Excel application to solve and understand questions.

COMPUTER CLASS IN CHANDKHEDA

SAMARTH COMPUTER EDUCATION

what is java programming??

The Java programming language requires the presence of a software platform in order for compiled programs to be executed. Oracle supplies the Java platform for use with Java. The Android SDK is an alternative software platform, used primarily for developing Android applications with its own GUI system.

JAVA CLASSES

Why digital marketing so important??

WHY DIGITAL MARKETING SO IMPORTANT??

Digital advertising offers businesses a number of unique and useful features: Advanced targeting options—Targeting is one of the most important benefits of advertising online because it gives you the ability to show your ads to specific types of people. ... Digital ads also offer more flexibility than traditional ads.

DIGITAL MARKETING

DIGITAL MARKETING

At an abnormal state, computerized showcasing alludes to publicizing conveyed through advanced channels, for example, web search tools, sites, online networking, email, and portable applications. While this term covers an extensive variety of showcasing exercises, which are all not generally settled upon, we'll concentrate on the most well-known sorts beneath.

DIGITAL MARKETING

DIGITAL MARKETING

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