(IEEE) Testing conducted during the development of a system or component, usually in the development environment by the developer. high-level language. coaxial cable. These layers are illustrated in the figure to the right. Typically, dialog boxes and wizards have a command area. (Myers) A test coverage criteria requiring enough test cases such that each condition in a decision takes on all possible outcomes at least once, and each point of entry to a program or subroutine is invoked at least once. See: software life cycle. EBCDIC. Instructor Guide (Facilitator Guide) The resource that is used by the facilitator to lead the instruction; can be either printed or electronic, such as PDF. Settings can be saved across program sessions. (2) To refer to a device or storage location by an identifying number, character, or group of characters. qualification, operational. Its function is to present data to the system at known speeds and in a proper format. (IEEE) A chronological record of all relevant details about the execution of a test. test case generator. reduced instruction set computer. For example, an Options dialog box allows users to view and change program options. The definition of systems engineering has evolved over time. Typically properties define the state, value, or appearance of an object. handshake. Contrast with support software; system software. Bits are usually combined into computer words of various sizes, such as the byte. Syn: jump. floppy disk drive. Users have a more efficient experience without such pages. A | B | C | D | E | F | G | H | I | J | K | L | M |, N | O | P | Q | R | S | T | U | V | W | X | Y | Z. The [high speed] circuits within the CPU which are responsible for performing the arithmetic and logical operations of a computer. entity relationship diagram. See: software element. (1) (ISO) The number of records, words or characters in a block. software reliability. validation protocol. computer instruction set. white-box testing. A standard setting or state to be taken by the program if no alternate setting or state is initiated by the system or the user. (NIST) See: specification, design. A method of electrical transfer in which a constant time interval is maintained between successive bits or characters. safety critical. (ANSI) a functional unit, consisting of one or more computers and associated peripheral input and output devices, and associated software, that uses common storage for all or part of a program and also for all or part of the data necessary for the execution of the program; executes user-written or user-designated programs; performs user-designated data manipulation, including arithmetic operations and logic operations; and that can execute programs that modify themselves during their execution. asynchronous. configuration. A common Windows control that allows users to initiate an action immediately. (2) TCP/IP protocol that is used to log onto the network, list directories, and copy files. See: execution trace, retrospective trace, symbolic trace, variable trace. (2) (IEEE) A control flow diagram in which suitably annotated geometrical figures are used to represent operations, data, or equipment, and arrows are used to indicate the sequential flow from one to another. Don't capitalize coordinate conjunctions (and, but, for, nor, or), unless the conjunction is the first word in the title. See: static analysis. (IEEE) (1) The degree to which a system or component facilitates the establishment of test criteria and the performance of tests to determine whether those criteria have been met. An asynchronous file transfer protocol identical to Xmodem-1K plus batch file transfer [also called Ymodem batch]. Color can be verified visually by measurement of its propertie… (IEEE) Evaluation of: (1) software requirements specifications with hardware, user, operator, and software interface requirements documentation, (2) software design description records with hardware, operator, and software interface requirements specifications, (3) source code with hardware, operator, and software interface design documentation, for correctness, consistency, completeness, accuracy, and readability. A classification of ICs [chips] based on their size as expressed by the number of circuits or logic gates they contain. See: low-level language. See: structured design. An optional form of user interface text that adds information, detail, or context to the main instruction. (IEEE) A software development technique in which two or more functionally identical variants of a program are developed from the same specification by different programmers or programming teams with the intent of providing error detection, increased reliability, additional documentation or reduced probability that programming or compiler errors will influence the end results. Distinguished from the command area, task pane, and navigation area. (Myers/NBS) A manual testing [error detection] technique where program [source code] logic [structure] is traced manually [mentally] by a group with a small set of test cases, while the state of program variables is manually monitored, to analyze the programmer's logic and assumptions. (ANSI) Any person, organization, or functional unit that uses the services of an information processing system. data dictionary. (ISO) The length of time specified for data on a data medium to be preserved. A unit of frequency equal to one cycle per second. Changes made to the data are recorded in an audit trail. (IEEE) The degree to which software is free from faults in its specification, design and coding. Provides a much higher bandwidth than twisted wire pair. equivalence class partitioning. Contrast with adaptive maintenance, perfective maintenance. (1) (NBS) Analysis of a program that is performed without executing the program. criticality. (IEEE) Documentation describing plans for, or results of, the testing of a system or component, Types include test case specification, test incident report, test log, test plan, test procedure, test report. mean time to failure. Why Ensure a basic and common understanding of the necessary theory to design water supply system. A high-level programming language designed to encourage structured programming practices. (IEEE) The sudden and complete failure of a computer system or component. A modeless secondary window that displays a toolbar or other choices, such as colors, patterns, fonts, or font attributes. accuracy study processor. This type of testing also evaluates a system's ability to handle overload situations in an orderly fashion. (Myers) A Boolean graph linking causes and effects. They do not change other programs, but compromise a computer system through their impact on system performance. It may be thought of as a switch which is either on or off. parity bit. In a check box, indicates that the option is not set. (IEEE) A requirement that specifies or constrains the design of a system or system component. See also: primary command. Testing which encompasses upper and lower limits, and circumstances which pose the greatest chance finding of errors. (2) Pertaining to any of a set of structure based metrics that measure the attribute in (1). A collection of pages in which users perform a task. See: bus. rapid prototyping. See: module. NIST. Chosen by the user in order to perform an operation; highlighted. (IEEE) A software V&V task to simulate critical tasks of the software or system environment to analyze logical or performance characteristics that would not be practical to analyze manually. In control panel items, a hybrid hub page is a hub page that also has some properties or commands directly on it. cathode ray tube. kilobyte. Syn: decision coverage. Contrast with path analysis. Before we begin discussing networking with any depth, we must define some common terms that you will see throughout this guide, and in other guides and documentation regarding networking.These terms will be expanded upon in the appropriate sections that follow: 1. check summation. A common Windows control that shows relationships among a set of related controls. (IEEE) A trace produced from historical data recorded during the execution of a computer program. (4) A discrete location in a database that contains an unique piece of information. software safety test analysis. cursor. protocol. See: block diagram, bubble chart, flowchart, graph, input-process-output chart, structure chart. consistency. binary. computer system audit. A sequence of actions the user should take to avoid a problem or system limitation until the computer program is changed. critical design review. A measure of reliability, giving the average time before the first failure. preliminary design review. See: testing, functional. (NBS) Test data based on input values that are likely to require special handling by the program. (1) (ISO) A named unit of data that, in some contexts, is considered indivisible and in other contexts may consist of data items. Such testing may be conducted in both the development environment and the target environment. (ISO) In an arithmetic operation, a result whose absolute value is too small to be represented within the range of the numeration system in use. testing, storage. Lines are useful for dividing space and drawing the eye to a specific location. A classification of ICs [chips] based on their size as expressed by the number of circuits or logic gates they contain. Contrast with functional testing. See: radiofrequency interference. code review. (2) (ISO) To design, write, and test programs. (IEEE) A requirement that specifies an external item with which a system or system component must interact, or sets forth constraints on formats, timing, or other factors caused by such an interaction. cause effect graphing. For example, most dialog boxes are owned windows. The term random access means that each memory location [usually 8 bits or 1 byte] may be directly accessed [read from or written to] at random. (NBS) Determination of the correctness of the final program or software produced from a development project with respect to the user needs and requirements. A field is a component of a record. See also: preview pane. testing, structural. test. Oracle. Most of the sizing done in solar PV design (conductors, inverters, fuses, etc.) A classification of ICs [chips] based on their size as expressed by the number of circuits or logic gates they contain. Another difference between RAM and ROM is that RAM is volatile, i.e. (2) A system [transmission channels and supporting hardware and software] that connects several remotely located computers via telecommunications. actuator. database analysis. See also: multiple selection. (IEEE) A routine that returns control to the program or subprogram that called it. Precisely 1024 K bits, 220 bits, or 1,048,576 bits. transmission control protocol/Internet protocol. See also: Ribbon. (IEEE) A data flow, data structure, or other diagram in which entities are depicted with circles [bubbles] and relationships are represented by links drawn between the circles. Chips which may be programmed by using a PROM programming device. A window can be moved, resized, minimized, or closed; it can overlap other windows. software configuration item. (2) (IEEE) The process of evaluating a system or component based on its form, structure, content, documentation. Before sharing sensitive information, make sure you're on a federal government site. A registered trademark of the Oracle Corp. original equipment manufacturer. Low frequency electromagnetic waves that emanate from electromechanical devices. (ISO) A redundancy check by which a recalculated parity bit is compared to the predetermined parity bit. Firmware that activates peripheral devices in a PC. Control Program for Microcomputers. The modules are created in class hierarchies so that the code or methods of a class can be passed to other modules. (4) (QA) The actions, planned and performed, to provide confidence that all systems and components that influence the quality of the product are working as expected individually and collectively. See: specification, design. Includes hardware, software, peripheral devices, personnel, and documentation; e.g., manuals and Standard Operating Procedures. Software design yields three levels of results: 1. (2) The process of analyzing a software item to detect the differences between existing and required conditions, i.e. data structure diagram. (ANSI) (1) A command, message, or input record that explicitly or implicitly calls for a processing action, such as updating a file. installation. longitudinal redundancy check. See: configuration control. For example, a text box that has input constraints might display a balloon to let the user know of these limitations. network database. Panes are always docked to the side of their parent window. Contrast with code inspection, code review, code walkthrough. algorithm analysis. See also: modeless. translation. physical requirement. configuration management. benchmark. (IEEE) An independent review of source code by a person, team, or tool to verify compliance with software design documentation and programming standards. See: bomb, virus, worm. An incorrect step, process, or data definition in a computer program which causes the program to perform in an unintended or unanticipated manner. testing, branch. The truth of the assertions is determined as the program executes. Contrast with multi-tasking. (IEEE) A constant, variable or expression that is used to pass values between software modules. See also: persistence. The base 8 number system. Syn: dead code. Two disparate programs must work in tandem, and there are many more decisions to make about separating data and processing between the client workstations and the database server. A computing system is like an ogre, made up of many layers. (QA) Activities such as adjusting, cleaning, modifying, overhauling equipment to assure performance in accordance with requirements. One or more characters, usually within a set of data, that contains information about the set, including its identification. The National Computer Systems Laboratory conducts research and provides, among other things, the technical foundation for computer related policies of the Federal Government. (IEEE) Pertaining to a system or mode of operation in which computation is performed during the actual time that an external process occurs, in order that the computation results can be used to control, monitor, or respond in a timely manner to the external process. (ANSI) The phase in the system life cycle that includes assembly and testing of the hardware and software of a computerized system. (NIST) Determining what parts of a program are being executed the most. See also: primary window. Modal often describes a secondary window that restricts a user's interaction with the owner window. A visible, partial-screen window, neither maximized nor minimized. A measure of how closely the mean value in a series of replicate measurements approaches the true value. software diversity. For example, Find Printer or Install Printer are secondary commands for a Print dialog box. (IEEE) A software development technique in which requirements definition, design, implementation, and testing occur in an overlapping, iterative [rather than sequential] manner, resulting in incremental completion of the overall software product. Contrast with code review, design review, formal qualification review, requirements review. A dialog box used by User Account Control (UAC) that allows standard users to request temporary elevation of their privileges. (1) (IEEE) A computer program that translates programs expressed in a high-level language into their machine language equivalents. Often part of a requirements specification. A small pop-up window that labels the unlabeled control being pointed to, such as unlabeled toolbar controls or command buttons. See also: modal. After doing so, the task cannot be undone by clicking Back or Cancel buttons. An expression of the relation between the width of an object and its height. extended binary coded decimal interchange code. synchronous. A color defined by Windows for a specific purpose, accessed using the GetThemeColor API along with parts, states, and colors. Equipment manufacturer or software component that automatically places itself in a block may destructive! Surface, instead of the IC bits per second approaches the true value conductive object that can be. 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