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Topic: Buffer (computer science)

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buffer overflow

Z buffering

buffer zone

frame buffer

buffer solution

port queue buffer

depth buffer

buffer state

buffer management

Double Buffering

buffer amplifier

tri state buffer

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	Computer security - Encyclopedia.WorldSearch (Site not responding. Last check: 2007-09-16)
		Computer security is the effort to create a secure computing platform, designed so that agents (users or programs) can only perform actions that have been allowed.
		Computer security can be seen as a subfield of security engineering, which looks at broader security issues in addition to computer security.
		Unfortunately for users, a computer industry group led by Microsoft, in an attempt to market a different set of products and services, has taken the term "trusted system" and changed it to include making computer hardware that prevents the user from having full control over their own system.
	encyclopedia.worldsearch.com /computer_security.htm (1471 words)

	More on Computer Science
		Computer science is the scientific knowledge accumulated with systematic methodology by computation or by the use of the computer.
		Computer science (informally, CS, CSC or compsci) encompasses a variety of topics relating to computation, ranging from abstract analysis of algorithms and formal grammars, to subjects such as programming languages, program design, software and computer hardware.
		Theoretical computer science is the mathematics of computing.
	www.artilifes.com /computer-science.htm (981 words)

	Facts about topic: (Computer storage) (Site not responding. Last check: 2007-09-16)
		read-only memory ((computer science) memory whose contents can be accessed and read but cannot be changed), WORM (Any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvae), or read-write, again based on technology.
		A list of memory-related software ((computer science) written programs or procedures or rules and associated documentation pertaining to the operation of a computer system and that are stored in read/write memory)
		Virtual memory ((computer science) memory created by using the hard disk to simulate additional random-access memory; the addressable storage space available to the user of a computer system in which virtual addresses are mapped into real addresses)
	www.absoluteastronomy.com /encyclopedia/c/co/computer_storage.htm (1496 words)

	What is buffer? - A Word Definition From the Webopedia Computer Dictionary
		The purpose of most buffers is to act as a holding area, enabling the CPU to manipulate data before transferring it to a device.
		Note that because your changes are initially stored in a buffer, not on the disk, all of them will be lost if the computer fails during an editing session.
		Buffers are commonly used when burning data onto a compact disc, where the data is transferred to the buffer before being written to the disc.
	www.webopedia.com /TERM/c/buffer.html (414 words)

	COMPUTER SCIENCE EDUCATION (Site not responding. Last check: 2007-09-16)
		Whereas there is a movement towards a K-16 seamless transition in science, mathematics, language arts, and technology education being extended from the university level to the secondary and elementary grade levels, this articulation between the post-secondary and the K-12 sectors is still lacking for the discipline of computer science.
		A discussion of curriculum must begin with a "definition of computer science." The difficulty of establishing computer science as a discipline in secondary schools is due to the vagueness of the definition.
		Computer science courses are offered beginning in the 9th grade in 46 of the participants' schools, as shown in Figure 8, whereas only 3 of the participants' schools offer a computer science course in grade I2.
	www.cis.njit.edu /~fadi/public/books/csebook.htm (18631 words)

	String (computer science) - Wikipedia, the free encyclopedia
		In computer programming and some branches of mathematics, strings are sequences of various simple objects.
		The memory and buffer management must be dealt with by the programmer.
		More often, especially in computing applications, one is interested in a different kind of ordering on the set of strings.
	en.wikipedia.org /wiki/String_(computer_science) (1999 words)

	Software bug - Wikipedia, the free encyclopedia
		Other bugs lead to security problems; for example, a common type of bug which allows a buffer overflow may allow a malicious user to execute other programs that are normally not allowed to run.
		The invention of the term is often erroneously attributed to Grace Hopper, who publicized the cause of a malfunction in an early electromechanical computer.
		This happens because computer programs are often complex, often having been programmed by several different people over a great length of time, so that programmers are unable to mentally keep track of every possible way in which different parts can interact (the so-called hrair limit).
	en.wikipedia.org /wiki/Software_bug (1971 words)

	Glossary Search Results
		Computer - Simply put, this is anything that inputs data, processes it in some way, and outputs it.
		Computer model - A computer model is a recreation of a static scene, be it a house or a complex CAD design.
		Computer simulation - A prediction of the outcome of events by using actual data and attempting to mimic the environment on a computer.
	www.geek.com /glossary/glossary_search.cgi?computer (321 words)

	What is buffer underrun? - A Word Definition From the Webopedia Computer Dictionary
		It happens when the computer is not supplying data quickly enough to the CD writer for it to record the data properly.
		The CD-R drive stores the incoming data in a buffer as a reserve of data waiting to be written so that minor interruptions or slowdowns in the data flow will not interrupt the writing process.
		A buffer underrun error occurs when the flow of data from the original source, such as a hard drive or a CD-ROM drive, was interrupted long enough for the recorder's buffer to empty.
	www.webopedia.com /TERM/b/buffer_underrun.html (413 words)

	Overflow
		Two words very common in Computer Science are ``buffer overflow'' and ``integer overflow''.
		Buffer overflow happens when a programmer instructs the computer to write more bytes than the buffer may hold; For example: programmer declares char buffer[2] and instructs computer: buffer[0] = 'o', buffer[1] = 'v', buffer[2] = 'e'.
		Since the array named ``buffer'' is not big enough to store the letter ``e'', the last one that was attempted, programmer has overflowed buffer and that causes, many times, security holes in the program.
	www.math.utoledo.edu /~dbastos/overflow.html (601 words)

	Computer Science (Site not responding. Last check: 2007-09-16)
		Computer science is an exciting and growing field with career opportunities ranging from running a small business to working in big industry, government, or education.
		Because computer science options are similar, students do not need to choose one until their sophomore or junior year.
		A good undergraduate preparation in computer science is required for admission to the program; however, an undergraduate degree in computer science is not necessary.
	www.sou.edu /cgi/deptcat3.cgi?dept=CIS&year=2004 (2329 words)

	Women in Computer Science: Carnegie Mellon's Women@SCS - Interviews (Site not responding. Last check: 2007-09-16)
		She not only has a love of learning, whether it’d be in computer science, martial arts, or ballet, but also a love of teaching.
		She is a Professor of Computer Science and Head of the Computer Science Department at Carnegie Mellon University.
		In those days, computer science was so new that there were no textbooks and the professors were just figuring out the field.
	women.cs.cmu.edu /Highlights/Interviews/jeannetteWing.php (1917 words)

	buffer 2. The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. (Site not responding. Last check: 2007-09-16)
		Computer Science A device or area used to store data temporarily.
		To act as a buffer for or between.
		Computer Science To hold or collect (data) in a buffer.
	www.bartleby.com /61/31/B0533100.html (194 words)

	Study says "buffer overflow" is most common security bug \| CNET News.com
		Unlike the Y2K bug, which threatens to cripple computers unable to distinguish years written in two-digit shorthand, this vulnerability opens computers to attacks by malicious hackers, who can use the bug to commandeer the targeted computer.
		"Buffer overflows have been the most common form of security vulnerability for the past 10 years," according to a new paper published by the Oregon Graduate Institute of Science & Technology (OGI) and funded in part by the Defense Advanced Research Projects Agency (DARPA).
		Sun concurred that the buffer overflow problem is both common and preventable but defended its efforts to prevent coding errors and to respond to bugs once they come to light.
	news.com.com /2100-1001-233483.html?legacy=cnet (1213 words)

	Computer Science - Duke University - Colloquia (Site not responding. Last check: 2007-09-16)
		Buffer overflow attacks exploit programming errors in which functions write data beyond buffer boundaries.
		When external data exceeds the allocated stack buffer it can be used to overwrite the function return address.
		An attached computer (a PDA) is used as an on-line external verifier.
	www.cs.duke.edu /dept_info/colloquia/details.php?id=00000000300 (281 words)

	Video-on-Demand Research
		A buffer is needed to adjust the difference of production speed (reading from disk) and consumption (play-back) speed.
		Our approach to reduce the buffering cost is based on a proposal to store movies by portions of equal play-back duration rather than of equal size.
		The early detection of potential glitches allows us to reduce buffer space on both the client and server because one buffer is to adjust a playback speed of movies and avoid glitches.
	www.cs.ndsu.nodak.edu /~rvetter/ATM/html/video.html (700 words)

	SOU Catalog (Site not responding. Last check: 2007-09-16)
		Computer science majors meet the writing and research component (see page 15) by taking Programming III (CS 258), Systems Software and Architecture (CIS 326), and Systems Analysis (CS 469).
		In addition to the general requirements for entrance, the Computer Science Department requires a year of programming; an introduction course in databases, including normalization and SQL; and an introductory course in networks.
		Reinforces the fundamental control and data structures of computer science and introduces data abstraction, classes, objects, polymorphism, and inheritance.
	www.sou.edu /catalog/03-04/html/CIS.html (2302 words)

	Department of Computer Science Research Colloquia (Site not responding. Last check: 2007-09-16)
		Other models of interaction such as dataflow use buffered channels, and frequently real systems contain some quantity of buffering that may well be nondeterministic.
		A network is said to be buffer tolerant if the addition of buffering on one or more channels does not affect its satisfaction of some specification.
		An important sort of component of buffer tolerant networks are processes which act as monotonic functions on their input streams.
	www.swan.ac.uk /compsci/collsem/abstracts/roscoe2004.html (156 words)

	Pipelined Memory Shared Buffer for VLSI Switches
		Pipelined Memory shared buffers are used in the Telegraphos project switches, and in the ATLAS I single-chip ATM gigabit switch.
		Switches need internal buffering, because of output contention; shared buffering is known to perform better than multiple input queues or buffers, and the VLSI implementation of the former is not more expensive than the latter.
		Among the switch buffer architectures, shared buffering achieves the best memory utilization and optimum link throughput, but requires the use of high-throughput memories.
	archvlsi.ics.forth.gr /sw_arch/pipeMem.html (624 words)

	[No title]
		] The encrypted personal identification code appended to the message transmitted to a computer; the message is accepted only if the decrypted code is recognized as valid by the computer.
		] One of a number of sections of computer memory, which contains a message that can be transmitted between tasks in the computer system to request service and receive replies from tasks, and which is stored in a system buffer area, outside the address spaces of tasks.
		] A character in a computer programming language system that has some controlling role with respect to other characters with which it may be associated.
	www.accessscience.com /Dictionary/M/M20/DictM20.html (2589 words)

	Computer Science (Site not responding. Last check: 2007-09-16)
		Theory of computation, structure of complexity classes, computational complexity theory, feasible and infeasible computations.
		Topics include coordinate frames and kinematics; computer architectures for robotics; integration and use of sensors; world modeling systems; design and use of robotic programming languages; and applications of artificial intelligence for planning, assembly, and manipulation.
		Analytic and simulation models of computer systemsare constructed with the intent of quantifying the impact of various architecturaltradeoffs on performance.
	www.cvn.columbia.edu /Courses/Descriptions/cs.html (2025 words)

	Jitter buffer Definition \| Computer Dictionary \| Define meaning of Jitter buffer (Site not responding. Last check: 2007-09-16)
		Jitter buffers or (De)jitter buffers are used to counter "jitter" introduced by packet networks so that a continuous playout of audio (or video) transmitted over the network can be ensured.
		Some systems use sophisticated delay-optimal de-jitter buffers which are capable of adapting the buffering delay to changing network jitter characteristics.
		These are known as adaptive de-jitter buffers and the adaptation logic is based on the jitter estimates computed from the arrival characteristics of the media packets.
	www.cpupedia.com /definition/jitter+buffer.aspx (214 words)

	Computer Science @ UC Davis \| Course Descriptions
		To give the student the computer science underpinnings of the implementation of computer graphics modeling and rendering systems.
		Students implement their term projects with the C and/or C++ programming language, using the computer systems available in the Computer Science Instructional Facility.
		Students learn about the mathematical foundations of computer graphics, and they implement, in a system-oriented context, fundamental computer graphics algorithms that are part of the most commonly used graphics libraries.
	www.cs.ucdavis.edu /courses/exp_course_desc/175.html (618 words)

	Computer Science
		The Department of Computer Science is one of the largest and oldest in the country.
		The National Computational Science Alliance (NCSA) supercomputers are a 64-processor SGI Power Challenge Array, and a 64-processor Convex/HP Exemplar, and a 128-processor Silicon Graphics Origin 2000 system along with a number of other large-scale systems.
		As part of the Caltech Computational Facility for Simulating the Dynamic Response of Materials, we are working closely with application and computing researchers at the three national laboratories (Los Alamos, Sandia, and Lawrence Livermore) to instrument and analyze the input/output behavior of large-scale applications in the Accelerated Strategic Computing Initiative (ASCI).
	www.engr.uiuc.edu /Publications/engineering_research/1998/co.html (14920 words)

	David Larochelle
		Buffer overflows represent arguably the most important class of security vulnerability.
		I developed a tool to statically detect buffer overflow security vulnerabilities.
		Computer Science Department, conducted research as part of the UMSA program (Undergraduate Modeling Simulation and Analysis), funded by the National Science Foundation.
	www.cs.virginia.edu /~drl7x/resume/resume.htm (237 words)

	History of the University of Utah School of Computing
		The School of Computing (until 2000 the Computer Science Department) at the University of Utah has a long history of distinguished faculty and alumni who have made substantial contributions to research and industry.
		The sculptures were appreciated by the art community without regard for the computer contribution.
		Co-founder of Pixar Animation Studios, a leading computer graphics company which has done work for LucasFilm and was recently involved in the production of the movie Toy Story.
	www.cs.utah.edu /dept/history (1004 words)

	Buffer Definition \| Computer Dictionary \| Define meaning of Buffer (Site not responding. Last check: 2007-09-16)
		In a fiber optic communication cable, one type of component used to encapsulate one or more optical fibers for the purpose of providing such functions as mechanical isolation, protection from physical damage and fiber identification.
		Note: The buffer may take the form of a miniature conduit, contained within the cable and called a loose buffer, or loose buffer tube, in which one or more fibers may be enclosed, often with a lubricating gel.
		A tight buffer consists of a polymer coating in intimate contact with the primary coating applied to the fiber during manufacture.
	www.cpupedia.com /definition/buffer.aspx (196 words)

	MSN Encarta - Encyclopedia Article Center - Computer Science & Electronics
		MSN Encarta - Encyclopedia Article Center - Computer Science and Electronics
		Search more than 4,500 articles on the world of knowledge--from aardvark to Zambia.
		Get going on papers, presentations, and more with step-by-step guides.
	encarta.msn.com /artcenter_0.5.3/Computer_Science_Electronics.html (62 words)

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