HyperDic: computer_science

English > 1 sense of the expression computer science:
NOUNcognitioncomputer science, computingthe branch of engineering science that studies (with the aid of computers) computable processes and structures
English > computer science: 1 sense > noun 1, cognition
MeaningThe branch of engineering science that studies (with the aid of computers) computable processes and structures.
Category ofASCII character set(computer science) 128 characters that make up the ASCII coding scheme
American Standard Code for Information Interchange, ASCII(computer science) a code for information exchange between computers made by different companies
DIP switch, dual inline package switch(computer science) one of a set of small on-off switches mounted in computer hardware
GIGO(computer science) a rule stating that the quality of the output / output is a function of the quality of the input
MIPS, million instructions per second(computer science) a unit for measuring the execution speed of a computer's CPU (but not the whole system)
RAM disk(computer science) a virtual drive that is created by setting aside part of the random-access memory to use as if it were a group of sectors
access, memory access(computer science) the operation of reading or writing stored information
accessObtain or retrieve from a storage device
access time(computer science) the interval between the time data is requested by the system and the time the data is provided by the drive
accumulator, accumulator register(computer science) a register that has a built-in adder that adds an input number to the contents of the register
address, computer address, reference(computer science) the code that identifies where a piece of information is stored
addressaccess or locate by address
addressablecapable of being addressed
algorithm errorerror resulting from the choice of the wrong algorithm or method for achieving the intended result
allocation, storage allocation(computer science) the assignment of particular areas of a magnetic disk to particular data or instructions
argument, parameter(computer science) a reference or value that is passed to a function, procedure, subroutine, command, or program
background, desktop, screen background(computer science) the area of the screen in graphical user interfaces against which icons and windows appear
backup, computer backup(computer science) a copy of a file or directory on a separate storage device
backup file(computer science) a computer file dedicated to storing and updating computer backups
bad block(computer science) a block (usually one sector) that cannot reliably hold data
baud, baud rate(computer science) a data transmission rate (bits/second) for modems
binary file(computer science) a computer file containing machine-readable information that must be read by an application
bit fieldA field containing only binary characters
bits per inch, bpiA measure of how densely information is packed on a storage medium
bits per second, bps(computer science) the rate at which data is transferred (as by a modem)
block(computer science) a sector or group of sectors that function as the smallest data unit permitted
buffer, buffer storage, buffer store(computer science) a part of RAM used for temporary storage of data that is waiting to be sent to a device
bulletin board system, bulletin board, electronic bulletin board, bbsA computer that is running software that allows users to leave messages and access information of general interest
cache, memory cache(computer science) RAM memory that is set aside as a specialized buffer storage that is continually updated
capacity(computer science) the amount of information (in bytes) that can be stored on a disk drive
cascadeArrange (open windows) on a computer desktop so that they overlap each other, with the title bars visible
central processing unit, CPU, C.P.U., central processor, processor, mainframe(computer science) the part of a computer (a microprocessor chip) that does most of the data processing
clearRid of instructions or data
code, computer code(computer science) the symbolic arrangement of data or instructions in a computer program or the set of such instructions
command processing overhead time, command processing overhead, command overhead, overhead(computer science) the processing time required by a device prior to the execution of a command
compiler, compiling program(computer science) a program that decodes instructions written in a higher order language and produces an assembly language program
complex instruction set computing, complex instruction set computer, CISC(computer science) a kind of computer architecture that has a large number of instructions hard coded into the CPU chip
computer, computing machine, computing device, data processor, electronic computer, information processing systemA machine for performing calculations automatically
computer architecture, architecture(computer science) the structure and organization of a computer's ... / computer's hardware or system software
computer circuitA circuit that is part of a computer
computer file(computer science) a file maintained in computer-readable form
computer network(computer science) a network of computers
concatenateCombine two strings to form a single one
control key, command key(computer science) the key on a computer keyboard that is used (in combination with some other key) to type control characters
core, magnetic core(computer science) a tiny ferrite toroid formerly used in a random access memory to store one bit of data
core dump(computer science) dump of the contents of the chief registers in the CPU
counter(computer science) a register whose contents go through a regular series of states (usually states indicating consecutive integers)
crash(computer science) an event that causes a computer system to become inoperative
cursor, pointer(computer science) indicator consisting of a movable spot of light (an icon) on a visual display
cybernate, computerize, computeriseControl a function, process, or creation by a computer
data encryption(computer science) the encryption of data for security purposes
data processing(computer science) a series of operations on data by a computer in order to retrieve or transform or classify information
dedicated file server(computer science) a file server that can be used only as a file server
descriptorA piece of stored information that is used to identify an item in an information storage and retrieval system
desktop publishing(computer science) the use of microcomputers with graphics capacity to produce printed materials
dialog box, panel(computer science) a small temporary window in a graphical user interface that appears in order to request information from the user
directory(computer science) a listing of the files stored in memory (usually on a hard disk)
disambiguator(computer science) a natural language processing application that tries to determine the intended meaning / meaning of a word or phrase by examining the linguistic context in which it is used
disk controller(computer science) a circuit or chip that translates commands into a form that can control a hard disk drive
disk drive, disc drive, hard drive, Winchester drivecomputer hardware that holds and spins a magnetic or optical disk and reads and writes information on it
disk errorerror resulting from malfunction of a magnetic disk
disk file(computer science) a computer file stored on a magnetic disk and identified by a unique label
disk overhead, overhead(computer science) the disk space required for information that is not data but is used for location and timing
disk pack, disc pack(computer science) a portable pack of magnetic disks used in a disk storage device
disk space, disc space(computer science) the space available on a magnetic disk
display adapter, display adaptor(computer science) an electronic device that converts information in memory to video output to a display
domain namestrings of letters and numbers (separated by periods) that are used to name organizations and computers and addresses on the internet
dongle(computer science) an electronic device that must be attached to a computer in order for it to use protected software
drive(computer science) a device that writes data onto or reads data from a storage medium
driver, device driver(computer science) a program that determines how a computer will communicate with a peripheral device
dump(computer science) a copy of the contents of a computer storage device
e-mail, email, netmailCommunicate electronically on the computer
editor program, editor(computer science) a program designed to perform such editorial functions as rearrangement or modification or deletion of data
electronic database, on-line database, computer database, electronic information service(computer science) a database that can be accessed by computers
electronic mail, e-mail, email(computer science) a system of world-wide / world-wide electronic communication in which a computer user can compose a message at one terminal that can be regenerated at the recipient's terminal when the recipient logs in
emulateimitate the function of (another system) , as by modifying the hardware or the software
emulation(computer science) technique of one machine obtaining the same results as another
erasable programmable read-only memory, EPROM(computer science) a read-only memory chip that can be erased by ultraviolet light and programmed again with new data
error, computer error(computer science) the occurrence of an incorrect result produced by a computer
execution, instruction execution(computer science) the process of carrying out an instruction by a computer
execution speed(computer science) the speed with which a computational device can execute instructions
exportTransfer (electronic data) out of a database or document in a format that can be used by other programs
field(computer science) a set of one or more adjacent characters comprising a unit of information
file server(computer science) a digital computer that provides workstations on a network with controlled access to shared resources
file transfer protocol, FTPprotocol that allows users to copy files between their local system and any system they can reach on the network
filename, file name, computer filename, computer file name(computer science) the name given to a computer file in order to distinguish it from other files
firewall(computing) a security system consisting of a combination of hardware and software that limits the exposure of a computer or computer network to attack from crackers
firmware, microcode(computer science) coded instructions that are stored permanently in read-only memory
font cartridge, cartridge fontAny font that is contained in a cartridge that can be plugged into a computer printer / printer
foreground(computer science) a window for an active application
formatted capacity(computer science) the usable capacity of a disk drive
fragmentation(computer science) the condition of a file that is broken up and stored in many different locations on a magnetic disk
googleSearch the internet (for information) using the Google search engine
hard copy(computer science) matter that is held in a computer and is typed or printed on paper
hardware, computer hardware(computer science) the mechanical, magnetic, electronic, and electrical components making up a computer system
hardware errorerror resulting from a malfunction of some physical component of the computer
head crash(computer science) a crash of a read/write head in a hard disk drive (usually caused by contact of the head with the surface of the magnetic disk)
hierarchical menu, cascading menu, submenuA secondary menu that appears while you are holding the cursor over an item on the primary menu
high-level formatting(computer science) the format for the root directory and the file allocation tables and other basic configurations
icon(computer science) a graphic symbol (usually a simple picture) that denotes a program or a command or a data file or a concept in a graphical user interface
importTransfer (electronic data) into a database or document
index register(computer science) a register used to determine the address of an operand
information theory(computer science) a statistical theory dealing with the limits and efficiency of information processing
inputEnter (data or a program) into a computer
input file, input data(computer science) a computer file that contains data that serve as input to a device or program
instruction, command, statement, program line(computer science) a line of code written as part of a computer program
interface, port(computer science) computer circuit consisting of the hardware and associated circuitry that links one device with another (especially a computer and a hard disk drive or other peripherals)
interface, user interface(computer science) a program that controls a display for the user (usually on a computer monitor) and that allows the user to interact with the system
interoperability(computer science) the ability to exchange and use information (usually in a large heterogeneous network made up of several local area networks)
interoperableable to exchange and use information
interpreter, interpretive program(computer science) a program that translates and executes source language statements / statements one line at a time
iterateRun or be performed again
iteration, looping(computer science) executing the same set of instructions a given number of times or until a specified result is obtained
iteration, loop(computer science) a single execution of a set of instructions that are to be repeated
job(computer science) a program application that may consist of several steps but is a single logical unit
light pen, electronic stylus(computer science) a pointer that when pointed at a computer display senses whether or not the spot is illuminated
loadTransfer from a storage device to a computer's memory
logicThe system of operations performed by a computer that underlies the machine's representation of logical operations
low-level formatting, initialization, initialisation(computer science) the format of sectors on the surface of a hard disk drive so that the operating system can access them and setting a starting position
machine readable, computer readableSuitable for feeding directly into a computer
magnetic core memory, core memory(computer science) a computer memory consisting of an array of magnetic cores
magnetic disk, magnetic disc, disk, disc(computer science) a memory device consisting of a flat disk covered with a magnetic coating on which information is stored
mapquestSearch for a location and directions by means of the MapQuest program
master file, main file(computer science) a computer file that is used as the authority in a given job and that is relatively permanent
megaflop, MFLOP, million floating point operations per second(computer science) a unit for measuring the speed of a computer system
menu, computer menu(computer science) a list of options available to a computer user
networkCommunicate with and within a group
node, client, guest(computer science) any computer that is hooked up to a computer network
non-dedicated file server(computer science) a file server that can be used simultaneously as a workstation
nonsolid color, nonsolid colour, dithered color, dithered colourA color produced by a pattern of differently colored dots that together simulate the desired color
object-oriented programming language, object-oriented programing language(computer science) a programming language that enables the programmer to associate a set of procedures with each type of data structure
off-linenot connected to a computer network
on-line, onlineConnected to a computer network or accessible by computer
ontology(computer science) a rigorous and exhaustive organization of some knowledge domain that is usually hierarchical and contains all the relevant entities and their relations
open-sourceOf or relating to or being computer software for which the source code is freely available
operating system, OS(computer science) software that controls the execution of computer programs and may provide various services
operation(computer science) data processing in which the result is completely specified by a rule (especially the processing that results from a single instruction)
output file(computer science) a computer file that contains data that are the output of a device or program
overwriteWrite new data on top of existing data and thus erase the previously existing data
packet(computer science) a message or message fragment
parallelOf or relating to the simultaneous performance of multiple operations
parity bit, parity, check bit(computer science) a bit that is used in an error detection procedure in which a 0 or 1 is added to each group of bits so that it will have either an odd number of 1's or an even number of 1's
partition(computer science) the part of a hard disk that is dedicated to a particular operating system or application and accessed as a single unit
peripheral, computer peripheral, peripheral device(computer science) electronic equipment connected by cable to the CPU of a computer
pingsend a message from one computer to another to check whether it is reachable and active
pixel, pel, picture element(computer science) the smallest discrete component of an image or picture on a CRT screen (usually a colored dot)
power user(computing) a computer user who needs the fastest and most powerful computers available
printer(computer science) an output device that prints the results of data processing
program, programme, computer program, computer programme(computer science) a sequence / sequence of instructions that a computer can interpret and execute
program, programmeWrite a computer program
programmer, computer programmer, coder, software engineerA person who designs and writes and tests computer programs
programming language, programing language(computer science) a language designed for programming computers
prompt, command prompt(computer science) a symbol that appears on the computer screen to indicate that the computer is ready to receive a command
protocol, communications protocol(computer science) rules determining the format and transmission of data
rasterizeconvert (an image) into pixels
read-only file(computer science) a file that you can read but cannot change
read-only memory, ROM, read-only storage, fixed storage(computer science) memory whose contents can be accessed and read but cannot be changed
read/write head, head(computer science) a tiny electromagnetic coil and metal pole used to write and read magnetic patterns on a disk
real-timeOf or relating to computer systems that update information at the same rate they receive information
real time(computer science) the time it takes for a process under computer control to occur
reduced instruction set computing, reduced instruction set computer, RISC(computer science) a kind of computer architecture that has a relatively small set of computer instructions that it can perform
register(computer science) memory device that is the part of computer memory that has a specific address and that is used to hold information of a specific kind
resolution(computer science) the number of pixels per square inch on a computer-generated display
retrieval(computer science) the operation of accessing information from the computer's memory
rotary actuator, positioner(computer science) the actuator that moves a read/write head to the proper data track
rotational latency, latency(computer science) the time it takes for a specific block of data on a data track to rotate around to the read/write head
router(computer science) a device that forwards data packets between computer networks
run-time(computer science) the length of time it takes to execute a software program
screen font, raster fontThe font that is displayed on a computer screen
screen saver(computer science) a moving design that appears on a computer screen when there has been no input for a specified period of time
scrollMove through text / text or graphics in order to display parts that do not fit on the screen
security system(computing) a system that enforces boundaries between computer networks
seekThe movement of a read/write head to a specific data track on a disk
seek time(computer science) the time it takes for a read/write head to move to a specific data track
semantic error, run-time error, runtime errorAn error in logic or arithmetic that must be detected at run time
serial, in series, nonparallelOf or relating to the sequential performance of multiple operations
server, host(computer science) a computer that provides client stations with access to files and printers / printers as shared resources to a computer network
shift register(computer science) register in which all bits can be shifted one or more positions to the left or to the right
simulation, computer simulation(computer science) the technique of representing the real world by a computer program
soft copy(computer science) matter that is in a form that a computer can store or display it on a computer screen
software, software program, computer software, software system, software package, package(computer science) written programs or procedures or rules and associated documentation pertaining to the operation of a computer system and that are stored in read/write memory
software error, programming errorerror resulting from bad code in some program involved in producing the erroneous result
spamSend unwanted or junk e-mail
spooltransfer data intended for a peripheral device (usually a printer) into temporary storage
standard generalized markup language, SGML(computer science) a standardized language for the descriptive markup of documents
storage(computer science) the process of storing information in a computer memory or on a magnetic ... / magnetic tape or disk
stovepipedOf or relating to data stored in separate databases
streaming(computer science) using or relating to a form of continuous tape transport
subdirectory(computer science) a directory that is listed in another directory
syntax errorAn error of language resulting from code that does not conform to the syntax of the programming language
teraflop, trillion floating point operations per second(computer science) a unit for measuring the speed of a computer system
terminal emulation(computer science) having a computer act exactly like a terminal
text editor(computer science) an application that can be used to create and view and edit text files
text file, document(computer science) a computer file that contains text (and possibly formatting instructions) using seven-bit ASCII characters
time sharing(computer science) the use of a central computer by many users simultaneously
title bar(computer science) a horizontal label at the top of a window, bearing the name of the currently active document
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
track-to-track seek time(computer science) the time it takes for a read/write head to move to an adjacent data track
transaction file, detail file(computer science) a computer file containing relatively transient data about a particular data processing task
unformatted capacity(computer science) the total number of bytes on a disk including the space that will be required to format it
utility program, utility, service program(computer science) a program designed for general support of the processes of a computer
video(computer science) the appearance of text and graphics on a video display
virtual memory, virtual storage(computer science) memory created by using the hard disk to simulate additional random-access memory
window(computer science) a rectangular part of a computer screen that contains a display different from the rest of the screen
write, saverecord data on a computer
Categorycomputer, computing machine, computing device, data processor, electronic computer, information processing systemA machine for performing calculations automatically
Part ofinformation science, informatics, information processing, IPThe sciences concerned with gathering, manipulating, storing, retrieving, and classifying recorded information
Narrowerartificial intelligence, AIThe branch of computer science that deal with writing computer programs that can solve problems creatively
object(computing) a discrete item that provides a description of virtually anything known to a computer
Broaderengineering, engineering science, applied science, technologyThe discipline dealing with the art or science of applying scientific knowledge to practical problems
Spanishcomputación, informática, Informática

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