sequential access memory

sequential access memory
nuosekliosios prieigos atmintis statusas T sritis informatika apibrėžtis Atmintis, kreipimosi į kurią trukmė priklauso nuo duomenų vietos (adreso) joje. Tokia savybe pasižymi atmintys, kuriose vieta skaitymui arba rašymui (adresas) randama nuosekliai peržiūrint visus duomenis, pavyzdžiui, pervyniojant magnetinę juostelę. Tai ilgai užtrunka ir dėl to tokio tipo atmintis veikia lėtai ir naudojama tik išoriniuose atminties įtaisuose. atitikmenys: angl. sequential access memory ryšiai: palyginklaisvosios prieigos atmintis

Enciklopedinis kompiuterijos žodynas . . 2008.

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  • Sequential access memory — In computing, sequential access memory (SAM) is a class of data storage devices that read their data in sequence. This is in contrast to random access memory (RAM) where data can be accessed in any order. Sequential access devices are usually a… …   Wikipedia

  • Sequential 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. Sequential access is sometimes the only way of accessing the data,… …   Wikipedia

  • Random-access memory — RAM redirects here. For other uses of the word, see Ram (disambiguation). Example of writable volatile random access memory: Synchronous Dynamic RAM modules, primarily used as main memory in personal computers, workstations, and servers …   Wikipedia

  • sequential access — method of reading from secondary memory in which reading and access are performed only by accessing each piece of data in order …   English contemporary dictionary

  • Dynamic random access memory — (DRAM) is a type of random access memory that stores each bit of data in a separate capacitor within an integrated circuit. Since real capacitors leak charge, the information eventually fades unless the capacitor charge is refreshed periodically …   Wikipedia

  • Dynamic random-access memory — DRAM redirects here. For other uses, see Dram (disambiguation). Computer memory types Volatile RAM DRAM (e.g., DDR SDRAM) SRAM In development T RAM Z RAM TTRAM Historical Delay line memory Selectron tube Williams tube …   Wikipedia

  • Access method — An access method is a function of a mainframe operating system that enables access to data on disk, tape or other external devices. They were introduced in 1963 in IBM OS/360 operating system. [http://researchweb.watson.ibm.com/journal/rd/255/ausl… …   Wikipedia

  • computer memory — memory (def. 11). * * * Introduction       device that is used to store data or programs (sequences of instructions) on a temporary or permanent basis for use in an electronic digital computer. Computers represent information in binary code,… …   Universalium

  • Memory dependence prediction — is a technique, employed by high performance out of order execution microprocessors that execute memory access operations (loads and stores) out of program order, to predict true dependences between loads and stores at instruction execution time …   Wikipedia

  • Memory Type Range Registers — (MTRRs) are control registers that provide system software with control of how accesses to memory ranges by the CPU are cached. It uses a set of programmable model specific registers (MSRs) which are special registers provided by most modern CPUs …   Wikipedia

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