udacity computer science

1.goal (target)computation Thinking (computational thinking)Understand code (read and write code) understand abilities and limits map problem into computation in the framework of a computer that transforms scientific issues2.knowledgeDeclarative Knowledge declarative knowledge states the truth, a description of the facts imperative knowledge procedural knowledge to the problem-solving process described3.Fixed-program

increase their computing power by one-fold.19. Indicators of the performance of the microprocessor chip include the machine word length-the larger the word, the better the frequency of the machine-the higher the frequency, the better the power consumption-the lower the power consumption the better, the number of transistors-the more transistors the better, the microprocessor can complete the function-the more the type of instruction the better.20. In the tree of computation, the evolutionary th

Software Engineering is the development of software as a concrete project to study, mainly in the project progress, engineering quality, engineering costs and other aspects of control and grasp, pay attention to the macroscopic aspects of things. Computer science and technology, in favor of specific technical realization, technology development, and so on, in favor of mathematics and

I recently attended a job fair at big Ivy University (BIU) and talked to about 50 undergraduates majoring in computer science. They hope to go to my company 10gen for an internship or formal job. I'm sure they are smart, but they have not learned how to distinguish themselves from others. In my opinion, these students have similar establishment, similar dress codes, and similar languages to chat with me. I

# General PhysicsIntegrated circuit (IC)# Computer physicsBiOS (Basic Input/ouput system): Basic Input/Output SystemCPU (Central Processing Unit): central processorIo, I/O (input/ouput): Input and OutputPCI (Peripheral Component Interconnect): peripheral device interconnectionPCI-E (PCI Express): Fast peripheral Interconnection# Network typeIP (Internet Protocol): Internet connection protocol. layer 3rd of the ISO 7 Reference Model (traditionally call

acceleration function, so the CPU has so-called FSB and octave!The so-called FSB refers to the CPU and external components of the speed of data transmission, octave is the CPU used to speed up the performance of a multiple, the two are multiplied is the CPU frequency speed . We have just Intel Core 2 Duo E8400 CPU, his frequency is 3.0GHz, and FSB is 333MHz, so the octave is 9 times times rom! (3.0G=333MX9, of which 1g=1000m) 5, The bandwidth of the system bus is: "FSBX system bus width" that

decomposition (Cholesky decomposition) can be used. Strukturtensor algorithm--Applies to the field of pattern recognition, to find a calculation method for all pixels, to see if the pixel is in the homogeneous region (homogenous regions), to see if it is an edge, or a vertex. Merge lookup Algorithm (Union-find)-given a set of elements, the algorithm is often used to divide these elements into separate, non-overlapping groups. The data structures of disjoint sets (Disjoint-set) can track suc

Computer Science focuses on the study of hardware and computer theory, studies the science of computer and its surrounding phenomena and laws, studies the structure of computer systems, program systems (i.e. software), artificial

coder. Spending the most time on learning is the last piece of advice for beginners. It is best to reduce the time spent on SC or CS every week without playing them. At the same time, if your ASP technology has been able to make money, or even some companies invite you to work part-time, this proves that your work in tianfen can guarantee you can achieve better benefits after hard work, you should do more complex things. Long term, which is applicable to anyone. I believe you can decide whether

ArXivThe arXiv (pronounced "archive", as if the "X" were the Greek letter Chi, χ) is a repository of electron IC preprints, known as e-prints, of scientific papers in the fields of mathematics, physics, astronomy, computer, Quantitative biology, statistics, and quantitative finance, which can be accessed online. In many fields of mathematics and physics, almost all scientific papers is self-archived on the arXiv. Begun on August, 1991, arxiv.org passe

What is the difference between an algorithm and a program? The algorithm is a concept, the program is the concrete implementation of the algorithmThe computational thinking pattern means that everything can be seen as a mathematical problem involving numbers and formulas.Two things that any computer can do is calculate and save results.Memory: RamAlu (Arithmetic logic unit): Do some primitive operationControl unit: Track event flowStep: When reading a

not know. In a person's life, no stage can be the same as in a student's life, and he has spare time to engage in open source development. And this is good for each other. The reality is that the two (students and open-source sports) often fail. I believe that most computer science disciplines should encourage students to start new open-source projects or join existing projects. This should be part of the

This is a paper I have spent a month in my postgraduate studies. It takes only a month to design and write a paper. It can be more than just a few minutes to publish, add, modify, and wait for the paper to be published, I remember writing started in November 2010. I wrote it in December 2010. I made a draft at the end of 2010. I changed it several times in early 2011 and finally published it in May. In November 2010, my tutor said that there were many topics that could be studied on wireless se

Based on asp, jsp, java, vb and other computer science Graduation Design Questions Daquan, jspvb I found a lot and found it was a part of it. Many of them were incomplete. Then I sorted them through the network. If I was interested, I could leave my mailbox to send them. I have not found a place where I can upload objects.Paste two images. One is 36 pages in the document, covering most of the professional

cs:app-2.1 Information Store Unknown: knowledge: The word length indicates the nominal size of the pointer data. The most important system parameter determined by the word length is the maximum size of the virtual address space Char types can also be used to store integer values Using an integer type of deterministic size is the best way for programmers to accurately control data representation The pattern of arranging an object byte in a machine for a normal user is a small-ended

The Zen of Python, by Tim PetersBeautiful is better than ugly.Explicit is better than implicit.Simple is better than complex.Complex is better than complicated.Flat is better than nested.Sparse is better than dense.Readability counts.Special cases aren ' t special enough to break the rules.Although practicality beats purity.Errors should never pass silently.Unless explicitly silenced.In the face of ambiguity, refuse the temptation to guess.There should is one--and preferably only one--obvious th

The set of operations that make up a single logical unit of work is called a transaction (transaction).Even if there is a failure, the database system must ensure that the transaction is executed correctly-either the entire transaction is executed or the operation belonging to the transaction is not executed.1. Concept of transactionsTransactions are typically caused by advanced data manipulation languages or programming languages that access written user programs through JDBC or ODBC embedded d

read the difference between software engineering and computer science, and talk about your opinion.Software engineering is a project in terms of scope, and computer science is a field, so computer science is more extensive.Softwar

to do FLASH stuff before I understood AS2) April December:Finally, I started my long journey to C ++. Although the lecturer compared me (he actually said that the BASIC language was invented by Bill Gates ?!! Fainting ~~~), I have long been unable to care so much. I want to learn C ++. I want to learn C ++ too much. C ++ is like a tree with countless beautiful fruits, every time you pick a fruit, you will be stabbed by thorns to the skin. However, when the fruit is delicious and put into your m

helped his students understand many ideas and themes in the source code, and frankly explained his confusion about some parts of the Code. the reprinted document has been educated by a generation. It is the largest copy of a book in the computer industry. it is a good thing to keep this public record.---- Dennis. M. RidgeFinally, I would like to mention that the most widely-spread underground computer