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Computers Chapter 11

almost done thank you jesus

computer programming process that leads from an original formulation of computing problem to a computer program
software engineering "the application of a systematic, disciplined, quantifiable approach to the development, operation, and maintenance of software
assumption something you accept as true in order to proceed with program planing
known information problem statement is the information that is supplied to the computer to help it solve a problem
predictive methodology requires extensive planning and documentation up front; used to construct buildings and assemble cars- tasks that are well defined and predictable
agile methodology alternative to traditional project management, typically used in software development. It helps teams respond to unpredictability through incremental, iterative work cadences, known as sprints.
sprint set period of time during which specific work has to be completed and made ready for review
keyword a word or concept of great significance
parameters numerical or other measurable factor forming one of a set that defines a system or sets the conditions of its operation
variable represents a value that can change
constant factor that remains the same throughout a program
syntax set of rules that specify the sequence of keywords, parameters and punctuation in a program instruction
program editor type of text editor specially designed for entering code for computer programs
storyboard sequence of drawings, typically with some directions and dialogue representing the shots planned for a movie or television production
runtime error occurs when a program runs instructions that the computer can't execute
logic error type of runtime error in the logic or design of the program
syntax error occurs when an instruction does not follow the syntax rule of the programming language
debugging identify and remove error from (computer hardware or software)
formal methods system is a mathematical model of it at some chosen level of abstraction. Its purpose is to permit precise understanding, specification and analysis of the system
threat modelling procedure for optimizing network/application/internet security by identifying objectives and vulnerabilities then defining countermeasures to prevent or mitigate the effects of threats to the system
source code walkthroughs open source software goes through extensive public scrutiny that can identify holes in security
simplification complex code is more difficult to debug than simpler code. simplifying comples sections of code can sometimes reduce a program's vulnerability to attacks
filtering input it is dangerous to assume that users will enter valid input. attackers have become experts at concocting input that causes buffer overflows and runs rogue HTML scripts. programmers should use a tight set f filters on all input fields
Created by: udon