data encryption | (computer science) the encryption of data for security purposes |
matrix operation | a mathematical operation involving matrices |
matrix addition | the addition of matrices |
matrix multiplication | the multiplication of matrices |
matrix inversion | determination of a matrix that when multiplied by the given matrix will yield a unit matrix |
matrix transposition | the interchange of each row of a square matrix with the corresponding column |
active matrix screen | a type of LCD screen used for some portable computers, there is a separate circuit for each pixel |
computer computing machine computing device data processor electronic computer information processing system | a machine for performing calculations automatically |
computer system computing system automatic data processing system ADP system ADPS | a system of one or more computers and associated software with common storage |
data converter | converter for changing information from one code to another |
data input device input device | a device that can be used to insert data into a computer or other computational device |
data multiplexer | a multiplexer that permits two or more data sources to share a common transmission medium |
data system information system | system consisting of the network of all communication channels used within an organization |
dot matrix printer matrix printer dot printer | a printer that represents each character as a pattern of dots from a dot matrix |
link data link | an interconnecting circuit between two or more locations for the purpose of transmitting and receiving data |
matrix | mold used in the production of phonograph records, type, or other relief surface |
naval tactical data system | a shipboard system for collecting and displaying tactical data |
passive matrix display | a type of LCD display used for some portable computers, parallel wires run both vertically and horizontally and pixels are turned on when the wires intersecting at that pixel are both energized, passive matrix displays are generally inferior to active matrix displays |
track data track | (computer science) one of the circular magnetic paths on a magnetic disk that serve as a guide for writing and reading data |
wire matrix printer wire printer stylus printer | an impact printer in which each character is represented by a pattern of dots made by wires or styli |
matrix | the formative tissue at the base of a nail |
matrix intercellular substance ground substance | the body substance in which tissue cells are embedded |
code of conduct code of behavior | a set of conventional principles and expectations that are considered binding on any person who is a member of a particular group |
data structure | (computer science) the organization of data (and its storage allocations in a computer) |
hierarchical structure hierarchical data structure | a structure of data having several levels arranged in a treelike structure |
data conversion | conversion from one way of encoding data to another way |
datum data point | an item of factual information derived from measurement or research |
eigenvalue eigenvalue of a matrix eigenvalue of a square matrix characteristic root of a square matrix | (mathematics) any number such that a given square matrix minus that number times the identity matrix has a zero determinant |
matrix algebra | the part of algebra that deals with the theory of matrices |
correlation matrix | a matrix giving the correlations between all pairs of data sets |
storage medium data-storage medium | a medium for storing information |
digital communication data communication | electronic transmission of information that has been encoded digitally (as for storage and processing by computers) |
code | a coding system used for transmitting messages requiring brevity or secrecy |
access access code | a code (a series of characters or digits) that must be entered in some way (typed or dialed or spoken) to get the use of something (a telephone line or a computer or a local area network etc.) |
area code | a number usually of digits assigned to a telephone area as in the United States and Canada |
bar code Universal Product Code | code consisting of a series of vertical bars of variable width that are scanned by a laser, printed on consumer product packages to identify the item for a computer that provides the price and registers inventory information |
color code | system using colors to designate classifications |
cipher cypher cryptograph secret code | a secret method of writing |
Morse Morse code international Morse code | a telegraph code in which letters and numbers are represented by strings of dots and dashes (short and long signals) |
ZIP code ZIP postcode postal code | a code of letters and digits added to a postal address to aid in the sorting of mail |
code computer code | (computer science) the symbolic arrangement of data or instructions in a computer program or the set of such instructions |
American Standard Code for Information Interchange ASCII | (computer science) a code for information exchange between computers made by different companies, a string of binary digits represents each character, used in most microcomputers |
binary code | code using a string of binary digits to represent characters |
error correction code ECC | (telecommunication) a coding system that incorporates extra parity bits in order to detect errors |
machine code machine language | a set of instructions coded so that the computer can use it directly without further translation |
object code | the machine-language output of a compiler that is ready for execution on a particular computer |
operation code order code | the portion of a set of operation descriptions that specifies the operation to be performed, the set of operations in a computer |
source code | program instructions written as an ASCII text file, must be translated by a compiler or interpreter or assembler into the object code for a particular computer before execution |
file data file | a set of related records (either written or electronic) kept together |
input file input data | (computer science) a computer file that contains data that serve as input to a device or program |