Count key data (CKD) is a direct-access storage device (DASD) data recording format introduced in 1964, by IBM with its IBM System/360 and still being...

file system, represented as a range of block numbers, or tracks on count key data devices. A file can consist of zero or more extents; one file fragment...

In computer science, counting sort is an algorithm for sorting a collection of objects according to keys that are small positive integers; that is, it...

control unit. Disk packs are written in these attachments in IBM's count key data variable record length format. The 2311 models 11 or 12 are used when...

"512e" stands for "512-byte emulation". Block (data storage) Data set (IBM mainframe) Count key data (CKD) Record (computer science) Track (disk drive)...

Count data, a statistical data type Count key data, a data recording format Count Dracula (disambiguation) Count Me In (disambiguation) Count Me Out...

constant, while the size of the data block was based on host block size, affecting tape capacity – for example, on count key data storage. On most modern drives...

a Count field which acts as an ID field, an optional Key field to aid in searching for data and a Data field; in practice, most records had no Key field...

System/360 expanded this concept in the form of Count Key Data (CKD) and later Extended Count Key Data (ECKD); however the use of variable block size in...

an election where the keys were applied retrospectively: due to discrepancies with how Alabama's unpledged electors are counted, the Congressional Quarterly...

randomly) and a high iteration count. NIST recommends a minimum iteration count of 10,000.: 5.1.1.2  "For especially critical keys, or for very powerful systems...

function Complete knock down, a complete kit needed to assemble a product Count Key Data, a disk architecture used in IBM mainframe computers ČKD (Českomoravská...

A performance indicator or key performance indicator (KPI) is a type of performance measurement. KPIs evaluate the success of an organization or of a...

such as BSAM, require the user program to do it. CKD is an acronym for Count Key Data, the physical layout of a block on a DASD device, and should not be...

first half of the drive. Cylinder Head Record format has been used by Count Key Data (CKD) hard disks on IBM mainframes since at least the 1960s. This is...

its 1964 System/360 announcement, IBM's mainframes initially accessed count key data (CKD) subsystems via a channel connected to separate Storage Control...

a distributed, in-memory key–value database, cache and message broker, with optional durability. Because it holds all data in memory and because of its...

view of all data, for uses such as master data management, where key data is needed, or data governance for improving data quality. Data profiling refers...

CRAM).inch). The IBM 2321 Data Cell used magnetic strips in a cell and subcell. The tracks had variable length count key data (CKD) records. Magnetic stripe...

parts of the data and then replacing, modifying, or deleting the dirty or coarse data. Data cleansing may be performed interactively with data wrangling...

privacy, and data source. Big data was originally associated with three key concepts: volume, variety, and velocity. The analysis of big data presents challenges...

It is a regularly occurring and official count of a particular population. It is a type of administrative data, but it is collected for the purpose of...

Ternary heap D-ary heap Brodal queue In these data structures each tree node compares a bit slice of key values. Radix tree Suffix tree Suffix array Compressed...

OS/360 Release 21.7 in 1973, prior to changes for Y2K. Data Control Block (DCB) Count Key Data (CKD) Master Boot Record (MBR on PCs) Including the successors...

to country. Some countries count insured unemployed only, some count those in receipt of welfare benefit only, some count the disabled and other permanently...

worker nodes redistribute data based on the output keys (produced by the map function), such that all data belonging to one key is located on the same worker...

space as counting Bloom filters. The scalability issue does not occur in this data structure. Once the designed capacity is exceeded, the keys could be...

CBOR encoded data is seen as a stream of data items. Each data item consists of a header byte containing a 3-bit type and 5-bit short count. This is followed...

templates. Container abstract data types include: FIFO queues LIFO stacks Priority queues Lookup tables (LUTs) Key-associated data structures Sets, containing...

systems as a count key data device, and was discontinued in 1965. The 7320 is a vertically mounted head-per-track device with 449 tracks, 400 data tracks,...