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| | Random access - Wikipedia, the free encyclopedia |
 | | Random access is critical to many algorithms such as quicksort and binary search. | | | The term random access memory (RAM), however, is used for semiconductor chip memory circuits used in computers. | | | In computer science, random access is the ability to access a random element of a group in equal time. |
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http://www.wikipedia.org/wiki/Random_access
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| | Random access memory - Wikipedia, the free encyclopedia |
| | Random access memory (sometimes random-access memory), commonly known by its acronym RAM, is a type of computer storage (in practice only computer chips) whose contents can be accessed in any (i.e., random) order. | | | In today's computers memory access is becoming very slow when compared to CPU cycles since most computers use cheap, but comparatively slow, DRAM for the main memory. | | | One defining characteristic of RAM is that its accesses to different memory locations are almost always completed at about the same speed, in contrast to some other technologies that required a certain delay time for a bit or byte to “come around”. |
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http://en.wikipedia.org/wiki/Random_access_memory
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| | RAM - a Whatis.com definition - see also: random access memory |
| | RAM (random access memory) is the place in a computer where the operating system, application programs, and data in current use are kept so that they can be quickly reached by the computer's processor. | | | Having more RAM in your computer reduces the number of times that the computer processor has to read data in from your hard disk, an operation that takes much longer than reading data from RAM. | | | In addition to disk, floppy disk, and CD-ROM storage, another important form of storage is read-only memory (ROM), a more expensive kind of memory that retains data even when the computer is turned off. |
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http://searchmobilecomputing.techtarget.com/sDefinition/0,,sid40_gci214255,00.html
(645 words)
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| | Random access memory file apparatus for personal computer with external memory file - Patent 4791564 |
| | In a specific form of the present invention, the external memory means is a floppy disc of a sequential access type for storing files which are to be outputted in the form of a random access memory file containing an address map. | | | The sequential access type floppy disc drive system SDD is provided for storing the data for the personal computer. | | | It is another object of the present invention to provide an improved memory file apparatus for a computer, characterized in that a spool function for conducting tasks in parallel is provided to an output device such as a printer operatively connected to the computer. |
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http://www.freepatentsonline.com/4791564.html
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| | Random Access File I/O |
| | In contrast to stream access to a file in which the data must be processed in sequential order, random access allows the data to be processed in non-sequential order. | | | A file organized for random access has a controllable, logical pointer that indicates at what position in the file the next input or output operation will take place. | | | For example, in a digital library it is not possible to predict which book would be accessed next because that depends on which patron issues the next request. |
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http://ei.cs.vt.edu/~kafura/java/Chapter8/random.html
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| | What is RAM? - A Word Definition From the Webopedia Computer Dictionary |
| | Pronounced ramm, acronym for random access memory, a type of computer memory that can be accessed randomly; that is, any byte of memory can be accessed without touching the preceding bytes. | | | RAM is the most common type of memory found in computers and other devices, such as printers. | | | Describes memory technology types, memory speed, access and timing, DRAM technologies, memory size and packaging, errors, detection and correction, and logical memory layout. |
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http://www.webopedia.com/TERM/R/RAM.html
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| | Bambooweb: Sequential access |
| | As a result, many algorithms such as quicksort and binary search degenerate into bad algorithms that are even less efficient than their naive alternatives; these algorithms are impractical without random access. | | | In computer science sequential access means that a group of elements (e.g. | | | data in a memory array or a disk file or on a tape) is accessed in a predetermined, ordered sequence. |
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http://www.bambooweb.com/articles/s/e/Sequential_access.html
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| | Random Access XML Programming Assisted with XML Hardware |
| | Random Access XML programming is more than a specific API or tool for processing XML - like DOM and SAX it involves a model for XML data representation and a way of thinking about the problem of processing XML. | | | But RAX is based on a lot of algorithmic research in computer science on how to obtain optimal performance. | | | The XPath statements are evaluated at the same time the document is parsed and the results of the XPaths may be used as indices to have direct access to the data of interest in the document. |
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http://www.idealliance.org/proceedings/xml04/papers/299/RandomAccessXML.html
(3280 words)
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| | Memory upgrades from Crucial Europe - Memory Terms Glossary |
| | A computer feature that allows peripheral systems to access the memory for both read and write operations without affecting the state of the computer's central processor. | | | A computer memory address that is included as part of the instruction. | | | Basic Input Output System - often referred to as CMOS, the BIOS provides an interface for a computer's hardware and software. |
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http://www.crucial.com/uk/library/glossary.asp
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| | Random Access Iterator |
| | This has major implications for the sorts of algorithms that can sensibly be written using the two types of iterators. | | | [5] This complexity guarantee is in fact the only reason why Random Access Iterator exists as a distinct concept. | | | Every operation in iterator arithmetic can be defined for Bidirectional Iterators; in fact, that is exactly what the algorithms |
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http://www.sgi.com/tech/stl/RandomAccessIterator.html
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| | Dynamic random access memory - Wikipedia, the free encyclopedia |
| | The number of electrons stored in the capacitor determines whether the bit is considered 1 or 0. | | | This method is useful for retrieving microprocessor instructions, which tend to be stored at successive addresses in memory. | | | The second component drove the data bus from this latch at the appropriate logic level. |
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http://www.wikipedia.org/wiki/DRAM
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| | Random Multiple Access Algorithms Using a Control Mini-Slot |
| | The multiple access problem as characterized by infinite user population and a slotted-time channel is examined, and an algorithm that utilizes a control mini-slot is proposed. | | | The stability region of the proposed algorithm is determined and compared to the random access algorithm with the highest known throughput. | | | "Random Multiple Access Algorithms Using a Control Mini-Slot," IEEE Transactions on Computers, vol. 46, no. 4, pp. |
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http://csdl2.computer.org/persagen/DLAbsToc.jsp?resourcePath=/dl/trans/tc/&toc=comp/trans/tc/1997/04/t4toc.xml&DOI=10.1109/12.588061
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| | random-access memory from FOLDOC |
| | This is in contrast to, say, a magnetic disk, magnetic tape or a mercury delay line where it is very much quicker to access data sequentially because accessing a non-sequential location requires physical movement of the storage medium rather than just electronic switching. | | | Most kinds of semiconductor read-only memory (ROM) are actually "random access" in the above sense but are never referred to as RAM. | | | Furthermore, memory referred to as RAM can usually be read and written equally quickly (approximately), in contrast to the various kinds of programmable read-only memory. |
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http://foldoc.doc.ic.ac.uk/foldoc/foldoc.cgi?Random+Access+Memory
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| | Computer, Telephony and Electronics Glossary and Dictionary |
| | A random access data file enables you to read or write information anywhere in the file. | | | In computer memory technology, RAS, Row Address Strobe, is a signal sent to a dynamic random access memory (DRAM) that tells it that an associated address is a row address. | | | In a sequential access file, you can only read and write information sequentially, starting from the beginning of the file. |
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http://www.csgnetwork.com/glossaryr.html
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| | RAM - Random Access Memory information |
| | The desk is like memory in the computer: it holds the information and data you need to have handy while you're working. | | | People in the computer industry commonly use the term "memory" to refer to RAM (Random Access Memory). | | | This enables the computer's CPU (Central Processing Unit), to access instructions and data stored in memory very quickly. |
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http://www.dedson.com/Your_computer/RAM/ram.html
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| | Random Access Memory |
| | Because it's very expensive, SRAM is primarily used for the memory cache of your computer's CPU, where quick access times are much more important. | | | andom Access Memory (RAM) is the storage area your computer uses for programs and data while it's running. | | | More RAM speeds computer performance and allows different programs to run at the same time. |
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http://www.spokane.net/pluggedin/pram.asp
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| | Memory Types PC66 PC100 PC133 PC150 DRAM FPM EDO SDRAM nDRAM |
| | Random access means the PC processor can access any part of the Memory or data storage space directly rather than having to proceed sequentially from some starting place. | | | Dynamic random access Memory (DRAM) is the most common kind of random access Memory (RAM) for personal computers and workstations. | | | Memory is the network of electrically-charged points in which a computer stores quickly accessible data in the form of 0s and 1s. |
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http://home.cfl.rr.com/eaa/MemoryTypes.htm
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| | Microsoft Online Crash Analysis |
| | The Windows Memory Diagnostic tests the Random Access Memory (RAM) on your computer for errors. | | | Windows Memory Diagnostic tests the Random Access Memory (RAM) on your computer for errors. | | | In this document, cache refers specifically to that part of the microprocessor that is used to hold data retrieved from memory modules. |
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http://oca.microsoft.com/en/windiag.asp
(3866 words)
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| | Working with Random Access Files |
| | The input and output streams that you've been learning about so far in this lesson have been sequential access streams--streams whose contents must be read or written sequentially. | | | Unlike the input and output stream classes in java.io, RandomAccessFile is used for both reading and writing files. | | | This algorithm is more efficient because you only read the dir-entry and the file that you want to extract. |
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http://www.ecs.umass.edu/ece/wireless/people/emmanuel/java/java/io/rafs.html
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| | ch1 Intro stuff |
| | Since a number of users are accessing the computer system concurrently, the operating system must arrange to share (allocate) the resources of the computer system among the users. | | | However, they are much faster to access than disk storage systems and they consume less power, so that in small portable computer systems they offer an alternative low-powered option to disk storage. | | | Memory access means one of two things, either the CPU is reading from a memory location or the CPU is writing to a memory location. |
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http://www.cs.ucd.ie/staff/jcarthy/home/Comsys_notes.html
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| | SurfWax: News, Reviews and Articles On Random Access Memory |
| | Non-volatile memory devices such as magnetoresistive random access memory (MRAM) will revolutionize the memory market and contribute to the development of sophisticated and versatile computing and personal devices. | | | Samsung's admission is the fourth by a top maker of dynamic random access memory chips, known as DRAM chips, and caps a probe that began in 2002, shortly after Dell Inc. founder Michael Dell complained at a financial conference that the chip makers were exhibiting "cartel-like behavior.". | | | Samsung s admission is the fourth by a top maker of dynamic random access memory chips, known as DRAM chips, and caps a probe that began in 2002, shortly after Dell Inc. founder Michael Dell complained at a financial conference that the chip makers were exhibiting cartel-like behavior. |
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http://telecom.surfwax.com/files/Random_Access_Memory.html
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| | parallel random-access machine |
| | Definition: A shared memory model of computation, where typically the processors all execute the same instruction synchronously, and access to any memory location occurs in unit time. |
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http://www.nist.gov/dads/HTML/parallelRandomAccessMachine.html
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| | Howstuffworks "How RAM Works" |
| | Random access memory (RAM) is the best known form of computer memory. | | | SAM works very well for memory buffers, where the data is normally stored in the order in which it will be used (a good example is the texture buffer memory on a video card). | | | SAM stores data as a series of memory cells that can only be accessed sequentially (like a cassette tape). |
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http://computer.howstuffworks.com/ram.htm
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| | Glossary Search Results |
| | SRAM (Static Random Access Memory) - This type of memory is much more expensive and physically larger than DRAM, but is also much faster. | | | Static Random Access Memory (SRAM) - This type of memory is much more expensive and physically larger than DRAM, but is also much faster. | | | For example, if you were writing a program to work with a SoundBlaster card, you'd want to get the SoundBlaster SDK from Creative Labs. |
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http://www.geek.com/glossary/glossary_search.cgi?s
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| | Cisco 2500 Series Access Server Maintenance |
| | If you set the boot field value to a value of 0x2 through 0xF, and there is a valid system boot command stored in the configuration file, then the access server boots the system software as directed by that value. | | | The new settings will be saved to memory; however, the new settings do not take effect until the system software is reloaded by rebooting the access server. | | | If any upgrades requiring hardware or software replacement are necessary, a related publication called a configuration note will ship to you automatically with the parts. |
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http://www.cisco.com/univercd/cc/td/doc/product/access/acs_fix/cis2500/2509/acsvrug/maint.htm
(3824 words)
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| | Report From the W3C Workshop on Binary Interchange of XML Information Item Sets |
| | Some improvements such as random access may affect how we consider using XML not jsut binary XML. | | | Noah Mendelson, IBM: a 30% increase is an insignificant reason for standardising, but could be significant for terabyte range data. | | | There are certain requirements that do need to be addressed and cannot assume that technology will take care of it. |
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http://www.w3.org/2003/08/binary-interchange-workshop/Report.html
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| | Learning From Code: Fast Random Access, page 1 of 2 |
| | This last loop relies on the fact that if the loop size remains the same, you can simply count the accessed elements without testing at each iteration whether the end of the list has been reached. | | | //Repeated access using Iterator.next() Iterator itr=list.iterator(); for (int i=0, n=list.size(); i < n; i++) { Object o = itr.next();... | | | //Repeated access using List.get() for (int i=0, n=list.size(); i < n; i++) { Object o = list.get(i);... |
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http://www.javaperformancetuning.com/articles/randomaccess.shtml
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| | Cover Pages: XML Silicon: The Tarari Random Access XML (RAX) Content Processor. |
| | Within the Tarari Processors, multiple applications or agents can be run simultaneously and quickly delivers data from the PCI bus or on-board 256 MBps of DDR memory. | | | You identify the data you need through a set of XPaths and RAX indices into the source document for each matched XPath node. | | | The combination of all these components provides the Tarari Processor with the ability to accelerate compute-intensive content processing algorithms. |
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http://xml.coverpages.org/ni2004-05-19-a.html
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| | SDRAM - Synchronous Dynamic Random Access Memory |
| | The clock is coordinated with the CPU clock so the timing of the memory chips and the timing of the CPU are "in synch." The synchronization eliminates time delays and allows for fast consecutive read and write capability, thereby increasing the overall performance of the computer. | | | SDRAM synchronizes itself with the processor to match bus speeds, but only up to about 100 MHz. | | | More information about the definition of SDRAM may appear below: |
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http://www.auditmypc.com/acronym/SDRAM.asp
(1085 words)
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| | Random Access |
| | Because there is no pattern, the I/O libraries cannot optimize random I/O in the same way as sequential I/O. But there are some things you can do to speed up random access: | | | If it is practical, rearrange your data so that you can process it sequentially. | | | Use binary files that bypass the system cache by entering the |
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http://docs.cray.com/books/004-2518-002/html-004-2518-002/z846014238dep.html
(138 words)
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| | Howstuffworks "How RAM Works" |
| | In the most common form of computer memory, dynamic random access memory (DRAM), a transistor and a capacitor are paired to create a memory cell, which represents a single bit of data. | | | The capacitor holds the bit of information -- a 0 or a 1 (see How Bits and Bytes Work for information on bits). | | | Similar to a microprocessor, a memory chip is an integrated circuit (IC) made of millions of transistors and capacitors. |
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http://computer.howstuffworks.com/ram1.htm
(700 words)
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| | Random Access Memory (RAM) |
| | The kind of memory used for holding programs and data being executed is called random access memory or RAM. | | | RAM differs from read-only memory (ROM) in that it can be both read and written. | | | RAM is called "random access" because earlier read-write memories were sequential and did not allow random access. |
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http://www.pcguide.com/ref/ram/typesRAM-c.html
(305 words)
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| | Random Access Memory (RAM) |
| | In this class, when we think about the banks of light switches that can be manipulated, we are thinking of RAM memory. | | | The program running will determine what is in memory. | | | There is nothing random about how memory is accessed. |
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http://www.cs.iupui.edu/~aharris/mmcc/mod5/abhw60.html
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| | video random access memory from FOLDOC |
| | Thus for example, for a resolution of 1280x1024 eight-bit pixels at a refresh rate of 70 Hz, the video memory would need to supply 1280x1024x70 = 90 Mbyte/s or one byte every 11 ns. | | | In an IBM PC the VRAM is located on the display interface card and 0.5 - 2 MB is typical. | | | VRAM may be built from special memory integrated circuits designed to be accessed sequentially. |
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http://foldoc.doc.ic.ac.uk/foldoc/foldoc.cgi?VRAM
(153 words)
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| | Visual Studio Magazine - Getting Started - Create Random Access Log Files |
| | The routines use random access to flat files in VB, letting you store data outside relational databases. | | | Build custom log files in VB6 to record useful information for supporting your apps. | | | Random access files also provide a common way to transfer information to or from older systems, such as mainframes. |
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http://www.fawcette.com/vsm/2002_06/magazine/columns/gettingstarted
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| | Topological Lower Bounds on Algebraic Random Access Machines |
| | Topological Lower Bounds on Algebraic Random Access Machines: SIAM Journal on Computing Vol. | | | We do it by extending a technique formerly used with respect to algebraic computation trees. | | | We prove general lower bounds for set recognition on random access machines (RAMs) that operate on real numbers with algebraic operations $\{+,-,\times,/\}$, as well as RAMs that use the operations $\{+,-,\times,\lfloor\;\rfloor\}$. |
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http://epubs.siam.org/sam-bin/dbq/article/32939
(289 words)
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| | Nantero-Home Page |
| | In the field of memory, Nantero is developing NRAM™, a high-density nonvolatile Random Access Memory. | | | The company's objective is to deliver a product that will replace all existing forms of memory, such as DRAM, SRAM and flash memory, with NRAM™ serving as universal memory. |
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http://www.nantero.com
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| | Eastgate: god, random access, or roulette? |
| | I'm not really at liberty to go into much detail here as the project is in development; but my input has been writing a six-minute drama that also has six further minutes embedded in it. | | | Or, if you fancy sitting back and resting that poor clicking finger - which may have already had a long, hard day at the mouse - I understand the technicians are putting together an alternative, where one click activates some deep computer magic to select a whole randomised version just for you. | | | In terms of what you see and hear on the Web, well, this is essentially a listening experience with visual indications of when you can swap between streams. |
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http://www.eastgate.com/HypertextNow/archives/Fisher.html
(2384 words)
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| | dacs.doc electric -- Random Access: January 1999 |
| | If you remove the Xs from Access and PowerPoint, it will remove the files used only by these components. | | | Office 95 I want to delete Access and PowerPoint. | | | No machines were identified as having the FireWire bus already installed, although several people said that they had adapters used for videoediting that worked. |
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http://www.dacs.org/archive/9902/random_access.htm
(1726 words)
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| | Business Wire: Random Access commences proxy mailing regarding... @ HighBeam Research |
| | ENTEX works with large, information-intensive organizations to control and maximize the value of their investment in information technology. | | | Sign up today for full text of all 35 million articles in the HighBeam Library, plus all our sophisticated research tools! | | | Random Access provides PC systems and services to large volume customers in the western United States region, including microcomputer hardware and software; local- and wide- area networking systems, design and support; videoconferencing and telecommunications consulting; high performance workstations; and service, training/education and support. |
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http://www.highbeam.com/library/doc0.asp?docid=1G1:17335969&refid=ink_tptd_g1
(320 words)
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| | Random Access Memory |
| | RAM wird den Hauptspeicher (auch Arbeitsspeicher) eines Computers eingesetzt das heißt den Speicher auf die CPU direkt zugreifen kann. | | | Die Speicherkapazität wird in Bit und Byte angegeben. | | | RAM ist die Abkürzung für Random Access Memory (Speicher mit wahlfreiem Zugriff). |
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http://www.uni-protokolle.de/Lexikon/Speicher_%28Computer%29.html
(195 words)
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| | random access machine |
| | Algorithms and Theory of Computation Handbook, CRC Press LLC, 1999, "random access machine", from Dictionary of Algorithms and Data Structures, Paul E. Black, ed., NIST. | | | HTML page formatted Wed Aug 24 11:23:26 2005. |
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http://www.nist.gov/dads/HTML/randomaccess.html
(140 words)
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| | The PC Technology Guide |
| | With a large amount of memory, the difference in time between a register access and a memory access is very great, and this has resulted in extra layers of "cache" in the storage hierarchy. | | | This means that processors are increasingly having to wait for data going in and out of main memory. | | | Storing and retrieving data from a large block of memory is more time-consuming than from a small block. |
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http://www.pctechguide.com/03memory.htm
(190 words)
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| | video RAM - a Whatis.com definition - see also: VRAM |
| | Video RAM (VRAM) means in general all forms of random access memory (RAM) used to store image data for a computer display. | | | It's also cheaper since, unlike other forms of video RAM, cards can be manufactured with just the right amount of RAM for a given resolution capability instead of requiring it to be in multiples of megabytes. | | | Having individual memory banks allows accesses to be interleaved concurrently, increasing overall performance. |
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http://searchstorage.techtarget.com/sDefinition/0,,sid5_gci213325,00.html
(596 words)
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| | Remote Control Parenting (washingtonpost.com) |
| | America's parents are relying more than ever on software filters to block what their children can see on the Internet, according to a study published Thursday afternoon. | | | Random Access is a daily column by Robert MacMillan that explores the latest trends in technology and how they are changing daily life. | | | Most of what you see will be culled from news sources and blogs from around the world, though we will supplement Random Access with original files on the novel, unusual, bizarre and reactionary happenings in the world of technology and society. |
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http://www.washingtonpost.com/wp-dyn/articles/A46481-2005Mar18.html
(735 words)
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| | Random File Access :: MrExcel Message Board |
| | Is it possible to create random/Direct file accessing through VB to save to disk and then retreive from disk?? | | | Open pathname For mode [Access access] [lock] As [#]filenumber [Len=reclength] |
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http://www.mrexcel.com/archive2/34100/39196.htm
(219 words)
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| | Random Access Memory - RAM |
| | Short for Random Access Memory, RAM also known as main memory or system memory is a term commonly used to describe the memory within a computer. | | | Unlike ROM, RAM requires power; if power is lost all data is also lost. | | | Were you able to locate the answer to your questions? |
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http://www.computerhope.com/jargon/r/ram.htm
(104 words)
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