data block
11Block size — can refer to: *Block (data storage), the size of a block in data storage and file systems. *Block size (cryptography), the minimal unit of data for block ciphers. *Block size (mathematics) …
12Data structure alignment — is the way data is arranged and accessed in computer memory. It consists of two separate but related issues: data alignment and data structure padding. When a modern computer reads from or writes to a memory address, it will do this in word sized …
13Block Truncation Coding — Block Truncation Coding, or BTC, is a type of lossy image compression technique for greyscale images. It divides the original images into blocks and then uses a quantiser to reduce the number of grey levels in each block whilst maintaining the… …
14Block suballocation — is a feature of some computer file systems which allows large blocks or allocation units to be used while making efficient use of slack space at the end of large files, space which would otherwise be lost for other use to internal fragmentation.… …
15Data remanence — is the residual representation of data that remains even after attempts have been made to remove or erase the data. This residue may result from data being left intact by a nominal file deletion operation, by reformatting of storage media that… …
16Data recovery — is the process of salvaging data from damaged, failed, corrupted, or inaccessible secondary storage media when it cannot be accessed normally. Often the data are being salvaged from storage media such as internal or external hard disk drives,… …
17Data flow diagram — example.[1] A data flow diagram (DFD) is a graphical representation of the flow of data through an information system, modelling its process aspects. Often they are a preliminary step used to create an overview of the system which can later be… …
18Data loss prevention software — Data Loss Prevention (DLP) is a computer security term referring to systems that identify, monitor, and protect data in use (e.g. endpoint actions), data in motion (e.g. network actions), and data at rest (e.g. data storage) through deep content… …
19Data acquisition — is the process of sampling signals that measure real world physical conditions and converting the resulting samples into digital numeric values that can be manipulated by a computer. Data acquisition systems (abbreviated with the acronym DAS or… …
20block move — ˌblock ˈmove noun [countable] COMPUTING moving a complete part of a document to another part of the document or to a different document: • The program has a graphics engine for quick block moves. * * * block move UK US noun [C] IT ► the act of… …
