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Computer memory concept
Sequential access is a term describing a group of elements (such as data in a memory array or a disk file or on magnetic-tape data storage) being accessed
Sequential_access
computing, sequential access memory (SAM) is a class of data storage devices that read stored data in a sequence. This is in contrast to random access memory
Sequential_access_memory
Computer memory concept
be in the set. In computer science it is typically contrasted to sequential access which requires data to be retrieved in the order it was stored. For
Random_access
Joint hierarchical database made by IBM
native z/OS access method, or OSAM, an IMS-specific method optimizing I/O for IMS access patterns, particularly benefiting from sequential access (OSAM Sequential
IBM Information Management System
IBM_Information_Management_System
Method for creating, maintaining, and manipulating computer files
Indexed Sequential Access Method (ISAM) is a method for creating, maintaining, and manipulating computer files of data so that records can be retrieved
ISAM
Secondary storage device
requires a proportionally long time to access a distant point in a medium. Access methods for DASD include sequential, partitioned, indexed, and direct. The
Direct-access_storage_device
IBM disk file programming interface
Records are accessed based on their sequential order, that is, the order in which they were written to the file; which means that accessing a particular
Virtual_Storage_Access_Method
Tree-based computer data structure
tree data structure that maintains sorted data and allows searches, sequential access, insertions, and deletions in logarithmic time. The B-tree generalizes
B-tree
Access method to read and write datasets sequentially
mainframe operating systems, Queued Sequential Access Method (QSAM) is an access method to read and write datasets sequentially. QSAM is available on OS/360
Queued Sequential Access Method
Queued_Sequential_Access_Method
APIs in IBM mainframe computer operating systems
access methods in approximate chronological order: BDAM - Basic direct access method BSAM - Basic sequential access method QSAM - Queued sequential access
Access_method
Tendency of a processor to access nearby memory locations in space or time
close storage locations. Sequential locality, a special case of spatial locality, occurs when data elements are arranged and accessed linearly, such as traversing
Locality_of_reference
Access method to read and write datasets sequentially
mainframe operating systems, Basic sequential access method (BSAM) is an access method to read and write datasets sequentially. BSAM is available on OS/360
Basic sequential access method
Basic_sequential_access_method
American computer software company
engine, initially known as INFORMIX-Turbo. Turbo used the new Random Sequential Access Method (RSAM), with great multi-user performance benefits over C-ISAM
Informix_Corporation
Data storage technologies that use magnetic tape
but does not change the fundamental sequential access nature of tape.[citation needed] Tape has a long random access time since the deck must wind an average
Magnetic-tape_data_storage
Algorithm that arranges lists in order
designed for sequential access, the highest-performing algorithms assume data is stored in a data structure which allows random access. From the beginning
Sorting_algorithm
Storage of digital data readable by computers
Accessibility Types of access include random access and sequential access. In random access, any location in storage can be accessed at any moment in approximately
Computer_data_storage
Computer memory that does not lose its contents after being turned off
access, reading and writing data in specific memory locations; it can retrieve as little as a single byte. NAND flash reads and writes sequentially at
Non-volatile_memory
Magnetic tape used for storing video and sound simultaneously
data in two dimensions. Tape is a sequential access method of storing information and thus imposes delays to access a portion of the tape that is not
Videotape
Set of computer and peripheral connection standards
operations on a sequential access device begin at the current tape position, not at a specific LBA. The block size on sequential access devices can either
SCSI
Computer filing system
This permits multiple users (or processes) access to various data on the disk without regard to the sequential location of the data. Examples include FAT
File_system
Database engine built by Microsoft
the ISAM Drivers, DLLs that allow access to a variety of Indexed Sequential Access Method ISAM databases, among them xBase, Paradox, Btrieve and FoxPro
Access_Database_Engine
Data structure with nodes pointing to the next node
array data structures) allow constant-time random access, while linked lists allow only sequential access to elements. Singly linked lists, in fact, can
Linked_list
Self-adjusting binary search tree
optimality. Scanning theorem—Also known as the sequential access theorem or the queue theorem. Accessing the n elements of a splay tree in symmetric order
Splay_tree
Input/output performance measurement
including the balance of read and write operations, the mix of sequential and random access patterns, the number of worker threads and queue depth, as well
IOPS
Generic term for data management
fundamental types of data access exist: sequential access (as in magnetic tape, for example) random access (as in indexed media) Data access crucially involves
Data_access
table. Sequential access methods for IBM's z/OS and z/VSE mainframe operating systems: Basic Sequential Access Method (BSAM), Basic Partitioned Access Method
List_of_file_systems
Maximal subgraph whose vertices can reach each other
hierarchical way that does not permit fast random access or because sequential access produces better memory access patterns. There are also efficient algorithms
Component_(graph_theory)
Type of computer memory
and static random-access memory (SRAM), which both maintain data only for as long as power is applied, or forms of sequential-access memory such as magnetic
Non-volatile random-access memory
Non-volatile_random-access_memory
Data storage device
stability. A tape drive provides sequential access storage, unlike a hard disk drive, which provides direct access storage. A disk drive can move to
Tape_drive
Early type of computer memory
refreshable memory, but as opposed to modern random-access memory, delay-line memory was sequential-access. Analog delay line technology had been used since
Delay-line_memory
Operating system for IBM mainframes
Data Facility Extended Function (DFEF) 5740-AM3 Sequential Access Method Extended (SAM-E) 5740-AM8 Access Method Services Cryptographic Option 5748-UT2
MVS
Mode of data transmission
transaction can be typically written as a sum of initial access latency plus sequential access latency. t t o t a l = t i n i t i a l + t s e q u e n
Burst_mode_(computing)
Data Facility products for OS/VS1 and MVS
5740-AM3 Sequential Access Method Extended (SAM-E) SAM-E improves the performance of BPAM, BSAM and QSAM on direct access storage devices. 5740-AM8 Access Method
Data Facility Storage Management Subsystem (MVS)
Data_Facility_Storage_Management_Subsystem_(MVS)
Database language, released 1986
compatible with indexed sequential access method (ISAM), Structured Query Language (SQL), and ActiveX Data Objects (ADO) data access methods, reads and writes
Clarion (programming language)
Clarion_(programming_language)
were used in a similar order, which was more compatible with the sequential access memory in computers of those times — mostly magnetic tape memory and
Cracovian
Microsoft embedded database engine
Storage Engine (ESE), also known as JET Blue, is an ISAM (indexed sequential access method) data storage technology from Microsoft. ESE is the core of
Extensible_Storage_Engine
Variant of DVD designed with random access in mind
that it can be used as a random-access memory unit rather than a sequential-access memory unit such as a magnetic tape drive. DVD-RAM works by means
DVD-RAM
Sex change as part of the normal life cycle of a species
Sequential hermaphroditism (called dichogamy in botany) is one of the two types of hermaphroditism, the other type being simultaneous hermaphroditism.
Sequential_hermaphroditism
Computer storage device with no moving parts
different method to store data, offering higher IOPS performance, although sequential read and write speeds remain slower compared to traditional SSDs. As SSD
Solid-state_drive
Topics referred to by the same term
manager, a fully automatic pump control system by IDEX Corporation Sequential access memory Simple Anonymous Messaging, a protocol specification used in
Sam
Database management system
developed by Sybase. It provides both Indexed Sequential Access Method (ISAM) and relational data access and is compatible with multiple platforms, including
Embedded_database
Storage of a file in non-contiguous blocks
defragmentation. A solid-state drive (SSD) does not mechanically seek, so non-sequential access is orders of magnitude faster than disk drives, making fragmentation
File_system_fragmentation
Rule of thumb in computing
randomly accessed disk pages that are re-used every 5 minutes or less. Gray also issued a counterpart one-minute rule for sequential access: The 1-minute
Five-minute_rule
Routine that generates a sequence of values
evaluated, sequential access) via seq { ... }, a list (eagerly evaluated, sequential access) via [ ... ] or an array (eagerly evaluated, indexed access) via
Generator (computer programming)
Generator_(computer_programming)
Branching identification key
A single-access key (also called dichotomous key, sequential key, analytical key, or pathway key) is an identification key where the sequence and structure
Single-access_key
Recording of data on a magnetizable medium
classified as either sequential access memory or random access memory, although in some cases the distinction is not perfectly clear. The access time can be defined
Magnetic_storage
interface (API) to allow programmers to access libraries directly. The BPAM API is similar to basic sequential access method (BSAM), but it adds functionality
Basic partitioned access method
Basic_partitioned_access_method
General category of storage mechanisms
computing system. The random-access, low-density storage of disks was developed to complement the already used sequential-access, high-density storage provided
Disk_storage
Topics referred to by the same term
during the run of a program Indexed color, in computer imagery Indexed Sequential Access Method (ISAM), used for indexing data for fast retrieval Lookup table
Index
Tree data structure
tree data structure that keeps data sorted and allows searches and sequential access in the same time as a B-tree but with insertions and deletions that
Fractal_tree_index
Procedure in computing
or other data structures such as Virtual Storage Access Method (VSAM) or Indexed Sequential Access Method (ISAM), or even formats fetched from outside
Extract,_transform,_load
Stored data in computer systems
this is no longer the case for smaller amounts of data. Tape is a sequential access medium, so the rate of continuously writing or reading data can be
Backup
Source available in-memory key–value database
also being persisted to disk in a format optimized for sequential access rather than random access. The formatted data is only reconstructed into memory
Redis
the sequential access pattern, where data is read, processed, and written out with straightforward incremented/decremented addressing. These access patterns
Memory_access_pattern
Framework
could directly manipulate Microsoft Access database files (MDB), which was a modified form of an Indexed Sequential Access Method (ISAM) database. Another
Microsoft Data Access Components
Microsoft_Data_Access_Components
Variable in a record
field. File fields are the main storage structure in the Indexed Sequential Access Method (ISAM). In relational database theory, the term field has been
Field_(computer_science)
American engineer and computer scientist (1932–2020)
the data was lost during transmission, allowing for random access rather than sequential access, based on the same principles being developed for ARPAnet
Norman_Abramson
Historical ancestor of the modern book
ease of reference (a codex accommodates random access, as opposed to a scroll, which uses sequential access). The Romans used precursors made of reusable
Codex
High-density disk drive recording technology
its random-read nature, fills a niche between the sequential-access tape storage and the random-access conventional hard drive storage. They are suited
Shingled_magnetic_recording
Searchable computer file
maintained by the system. IBM supports indexed files with the Indexed Sequential Access Method (ISAM) on OS/360 and successors. IBM virtual storage operating
Indexed_file
File management processes in OpenVMS operating systems
supports four record access methods: Sequential Access Relative Record Number Access Record File Address Access Indexed Access RMS supports four record
Record_Management_Services
Pursuit of severe weather conditions
but was recorded on tape, whereas solid-state is random access rather than sequential access (linear) and has no moving parts. Late in the 2000s HD video
Storm_chasing
Computer performance metric
is that a data access is either a hit or a miss, meaning the memory only supports sequential accesses and cannot have multiple accesses occurring simultaneously
Average_memory_access_time
Selective restriction of access
PIN should always be used. Many access control credentials use unique serial numbers which are programmed in sequential order during manufacturing. In
Access_control
Divisioning of a logical database
the sequential access to a relation to be done in parallel. However, the direct access to individual tuples, based on a predicate, requires accessing the
Partition_(database)
Operating system for Tandy TRS-80 computers
SVC requests. Record I/O can be random access (by position SVC requests prior to READ/WRITE) or sequential access using repetitive READs or WRITEs. Character
TRSDOS
Computing technique
prefetching identifies long sequences of contiguous memory accesses (sequential access to a block of memory) Correlation prefetching learns patterns between
Prefetching
Consistency model in concurrent computing
Sequential consistency is a consistency model used in the domain of concurrent computing (e.g. in distributed shared memory, distributed transactions,
Sequential_consistency
Creating or manipulating electronic text
drag and drop, cut and paste) of initiating an edit. is sequential access rather than random access in approach. operates directly at the presentation layer
Text_processing
Topics referred to by the same term
Régiment de Soutien Aéromobile, French Regiment Random Sequential Access Method, version of storage access method Real-time Seismic-Amplitude Measurement This
RSAM
High-end IBM computer model from 1960s
four-way (I75, J75) interleaving of memory access. Even with only two-way interleaving, "an effective sequential access rate of 400 nanoseconds per double word
IBM_System/360_Model_75
Property of some operation(s) in concurrent programming
that: The extended list can be re-expressed as a sequential history (is serializable). That sequential history is a subset of the original unextended list
Linearizability
Self-balancing binary search tree data structure
Red–black trees, like all binary search trees, allow quite efficient sequential access (e.g. in-order traversal, that is: in the order Left–Root–Right) of
Red–black_tree
Practice in conflict resolution
formation. Alternatively, it may involve sharing power by guaranteeing sequential access to political office, like a rotating premiership. Electoral systems
Power_sharing
External links tape drive A peripheral storage device that allows only sequential access, typically using magnetic tape. task manager terminal An electronic
Glossary of computer hardware terms
Glossary_of_computer_hardware_terms
A database software
Together with the MicroKernel Database Engine it uses ISAM, Indexed Sequential Access Method, as its underlying storage mechanism. Btrieve is essentially
Architecture_of_Btrieve
Interface to device driver that appears in filesystem
secondary alias) st: magnetic tape driver da: direct access device (disk) sa: sequential access device (tape) pass: passthrough driver tty: terminals
Device_file
Divide and conquer sorting algorithm
sorted can only be efficiently accessed sequentially, and is thus popular in languages such as Lisp, where sequentially accessed data structures are very common
Merge_sort
Magnetic-core memory storage unit for IBM System/360 computers
the other stack, and so forth. This improves performance when doing sequential access. All models other than the model 5 have a cycle time of 750 nanoseconds
IBM_2365_Processor_Storage
often stored in an array, which allows random access, rather than a list, which only allows sequential access; though many algorithms can be applied to either
Glossary_of_computer_science
Persistent computer data storage with no moving parts
drive – a block of random-access memory that the operating system treats as if it were secondary storage Sequential access memory – a class of data storage
Solid-state_storage
CSMA/CD—Carrier-sense multiple access with collision detection CSO—Chief security officer CSP—Cloud service provider CSP—Communicating sequential processes CSP—Cryptographic
List of computing and IT abbreviations
List_of_computing_and_IT_abbreviations
Database software
(navigational database) software product. It is based on Indexed Sequential Access Method (ISAM), which is a way of storing data for fast retrieval.
Btrieve
(logically, the IOB's SAM and PAM SVC flag) is available, and which causes Sequential Access Methods appendages to be bypassed. This enhancement, which was first
Execute_Direct_Access_Program
Action performed by computers
memory. Magnetic storage media can be classified as either sequential access memory or random-access memory. Magnetic-core memory uses toroids (rings) of a
Reading_(computer)
Database software
supports Heap, Hash, ISAM and B-tree. Ingres chooses ISAM (Index Sequential Access Method) as the index data structure by default, but also offers B+
Ingres_(database)
Mathematical model describing how an output of a function is computed given an input
can be classified into three categories: sequential models, functional models, and concurrent models. Sequential models include: Finite-state machines Post
Model_of_computation
Storage device containing a robot which automatically loads tapes into tape drives
takes from several seconds to several minutes. Because of their slow sequential access and huge capacity, tape libraries are primarily used for backups and
Tape_library
Topics referred to by the same term
BSAM may refer to: Basic sequential access method, a data set access method Birendra Sainik Awasiya Mahavidyalaya, the only Nepalese military boarding
BSAM
Disk caching component of Microsoft Windows
random access, and slower than mechanical hard disks for sequential access. Gaining the benefit of caching implies that ReadyBoost will access the flash
ReadyBoost
Class in computational complexity theory
or "probably inherently sequential". The parallel computer in the definition can be assumed to be a parallel, random-access machine (PRAM). That is a
NC_(complexity)
number n is only derived from examining the n−1 characters, thus sequential access is needed anyway.[citation needed] For processing, a format should
Comparison of Unicode encodings
Comparison_of_Unicode_encodings
Bilingualism by learning a second language after a first
Sequential bilingualism occurs when a person becomes bilingual by first learning one language and then another. The process is contrasted with simultaneous
Sequential_bilingualism
Type of computer memory
previous word if an odd address was specified. For the sequential burst mode, later words are accessed in increasing address order, wrapping back to the start
Synchronous dynamic random-access memory
Synchronous_dynamic_random-access_memory
File system from DragonFly BSD
of physical I/O operations to cover the most likely path, ensuring sequential access for optimal performance. The following performance-related improvements
HAMMER_(file_system)
Operating system
Directories are supported. Time stamping supported. Files up to 4 GiB, sequential access only ISO 9660 filesystem support Built in fast loader supported devices:
IDEDOS
Online magazine
Sequential Tart (ST) is an online magazine focused on comics and popular culture from a female perspective. It was created in the late 1990s to serve "as
Sequential_Tart
Software to transfer electronic mail
header field to the top of the header of the message, thereby building a sequential record of MTAs handling the message. The process of choosing a target
Message_transfer_agent
Electronic non-volatile computer storage device
scenarios demanding cost-effective, high-capacity storage with sequential data access. Flash memory is used in computers, PDAs, digital audio players
Flash_memory
Topics referred to by the same term
ISAM or Isam may refer to: ISAM, the IBM mainframe indexed sequential access method C-ISAM, a C language application programming interface MyISAM, a storage
ISAM_(disambiguation)
SEQUENTIAL ACCESS
SEQUENTIAL ACCESS
Girl/Female
Hindu
Easley accessible
Boy/Male
Irish
Means “â€brave with a spearâ€â€ or “â€spear carrier.â€â€ The name is associated with Gearoid Fitzgerald, the 3rd Earl of Desmond (1338-98) and leader of the most powerful Norman family in late medieval Ireland. It was believed he had magical powers and is reputed to protect the environment at Lough Gur, where he had a castle in County Limerick. In one story, when a local landowner planned to drain the lake or forbid local people access to it Gearoid made his horse bolt, fatally injuring the landowner. Some even say that he is sleeping at the bottom of Lough Gur, waiting to return to the land of the living.
Girl/Female
Tamil
Easley accessible
Girl/Female
Hindu, Indian, Kannada, Marathi, Sanskrit, Telugu
Easily Accessible
Girl/Female
Arabic, Farsi, Iranian, Muslim, Parsi
Jewlery; Accessories
Boy/Male
Irish
Means “â€brave with a spearâ€â€ or “â€spear carrier.â€â€ The name is associated with Gearoid Fitzgerald, the 3rd Earl of Desmond (1338-98) and leader of the most powerful Norman family in late medieval Ireland. It was believed he had magical powers and is reputed to protect the environment at Lough Gur, where he had a castle in County Limerick. In one story, when a local landowner planned to drain the lake or forbid local people access to it Gearoid made his horse bolt, fatally injuring the landowner. Some even say that he is sleeping at the bottom of Lough Gur, waiting to return to the land of the living.
Girl/Female
Indian, Sanskrit
Accessible; Obtainable
Boy/Male
Irish
Means “â€brave with a spearâ€â€ or “â€spear carrier.â€â€ The name is associated with Gearoid Fitzgerald, the 3rd Earl of Desmond (1338-98) and leader of the most powerful Norman family in late medieval Ireland. It was believed he had magical powers and is reputed to protect the environment at Lough Gur, where he had a castle in County Limerick. In one story, when a local landowner planned to drain the lake or forbid local people access to it Gearoid made his horse bolt, fatally injuring the landowner. Some even say that he is sleeping at the bottom of Lough Gur, waiting to return to the land of the living.
Boy/Male
Irish
Means “â€brave with a spearâ€â€ or “â€spear carrier.â€â€ The name is associated with Gearoid Fitzgerald, the 3rd Earl of Desmond (1338-98) and leader of the most powerful Norman family in late medieval Ireland. It was believed he had magical powers and is reputed to protect the environment at Lough Gur, where he had a castle in County Limerick. In one story, when a local landowner planned to drain the lake or forbid local people access to it Gearoid made his horse bolt, fatally injuring the landowner. Some even say that he is sleeping at the bottom of Lough Gur, waiting to return to the land of the living.
Surname or Lastname
English (Lincolnshire)
English (Lincolnshire) : occupational name for a maker of bags and purses, from an agent derivative of Middle English pouche ‘purse’, ‘bag’. In the Middle Ages pouches were a universal personal accessory, as clothing with pockets was unknown.
Boy/Male
Irish
Means “â€brave with a spearâ€â€ or “â€spear carrier.â€â€ The name is associated with Gearoid Fitzgerald, the 3rd Earl of Desmond (1338-98) and leader of the most powerful Norman family in late medieval Ireland. It was believed he had magical powers and is reputed to protect the environment at Lough Gur, where he had a castle in County Limerick. In one story, when a local landowner planned to drain the lake or forbid local people access to it Gearoid made his horse bolt, fatally injuring the landowner. Some even say that he is sleeping at the bottom of Lough Gur, waiting to return to the land of the living.
SEQUENTIAL ACCESS
SEQUENTIAL ACCESS
Girl/Female
Tamil
Saviour, She who frees, She who delivers from sin, Another name for Durga, Goddess Parvati
Boy/Male
Tamil
What
Surname or Lastname
English and Scottish
English and Scottish : reduced form of Graham.
Boy/Male
Hindu, Indian, Parsi
Cloud
Boy/Male
Tamil
Lord Shiva, Lord Vishnu
Girl/Female
Hindu
The unique
Boy/Male
Muslim/Islamic
Slave Servant
Boy/Male
Celtic
Strong; He ascends. 10th century Brian Boru was a high king and great national hero of Ireland.
Girl/Female
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi, Tamil, Telugu
Slim Girl; A Creeper
Girl/Female
Indian
Fearless
SEQUENTIAL ACCESS
SEQUENTIAL ACCESS
SEQUENTIAL ACCESS
SEQUENTIAL ACCESS
SEQUENTIAL ACCESS
a.
Comprising or representing sentences; sentential.
a.
Easy of access or approach; approachable; as, an accessible town or mountain, an accessible person.
n.
Same as Accessary, n.
adv.
In an accessible manner.
pl.
of Accessory
adv.
In a sentential manner.
a.
Comprising sentences; as, a sentential translation.
a.
Succeeding or following in order.
a.
Of or pertaining to a sentence, or full period; as, a sentential pause.
pl.
of Accessary
n.
The act of coming to or reaching a throne, an office, or dignity; as, the accession of the house of Stuart; -- applied especially to the epoch of a new dynasty.
n.
Increase by something added; that which is added; augmentation from without; as, an accession of wealth or territory.
n.
The state of being accessory, or connected subordinately.
a.
Of or pertaining to an accessory; as, accessorial agency, accessorial guilt.
n.
A coming to; the act of acceding and becoming joined; as, a king's accession to a confederacy.
n.
The quality of being accessible, or of admitting approach; receptibility.
a.
Pertaining to accession; additional.
adv.
In the manner of an accessory; auxiliary.
a.
Accompanying as a subordinate; aiding in a secondary way; additional; connected as an incident or subordinate to a principal; contributing or contributory; said of persons and things, and, when of persons, usually in a bad sense; as, he was accessory to the riot; accessory sounds in music.
a.
Of or pertaining to a sequestrum.