30 Mayıs 2008 Cuma

MIDTERM 2

1 What is a “problem”?
Problem is a difficult question or situation that needs to be solved and has an unclear, unknown answer. In science, problem is the important part of an experiment or solving a problem, because before the answer a scientist has to know what the problem is.

Sources: http://dictionary.cambridge.org/define.asp?key=63066&dict=CALD
http://pimsleur.english-test.net/definitions/definition-of-problem-mind-rate-project-mountain-gun-college-struggle-trap-minister.html#problem

2 What does ” method” mean?
Method is an orderly process or procedure which is used during the task. It purposes to use time efficiently and reach the solution in the shortest way.
What does ” methodology” mean?
Methodology is a body of all methods, rules and procedures which are used in the same area with a discipline.

Sources: http://www.brainyquote.com/words/me/method189741.html
http://www.allwords.com/word-method.html
http://thinkexist.com/dictionary/meaning/method/
http://www.allwords.com/word-methodology.html
http://www.thefreedictionary.com/methodology

3 What does “theory” mean?
Theory is a combination of principles and statements to explain the group of facts or phenomena. Theory is a type of hypothesis with some differences. The biggest difference is theory is accepted and tested by most of the scientist but hypothesis is not as acceptable as theory.
What does “hypothesis” mean?
Hypothesis is a tentative assumption which is used to explain a scientific problem, observation or phenomenon. Hypothesises are temporary solutions for scientific problems, so it has some properties (scope, conservatism, testability, simplicity and fruitfulness). If hypothesis can not solve the problem it can be changed and scientist must start from the beginning of the experiment.
What does “paradigm” mean?
Paradigm is the angle of understanding the world. In science, Thomas Kuhn was the first person used the paradigm as values, rules and beliefs. In other words paradigm is a notion accepted by most of the scientist and the other people who interest in the same field.

Sources: http://www.allwords.com/query.php?SearchType=3&Keyword=theory&Language=ENG
http://www.thefreedictionary.com/theory
http://www.everythingbio.com/glos/definition.php?ID=3288
http://www.allwords.com/word-hypothesis.html
http://www.thefreedictionary.com/hypothesis
http://www.yourdictionary.com/paradigm
http://www.dictionary.net/paradigm

4 What is “strategy “?
Strategy is an approach to problems to accomplish a specific goal. In other words, it can be thought as a plan which makes a problem easier to understand and solve.
What is “plan”?
Plan is a scheme or method which is organized to accomplish a project or an object. It is an arrangement of the actions with discipline in order to bring a business in a successful conclusion.
What is “control”?
Control is an action to check or test by experiments or proofs. For example control is used for testing the truth of a hypothesis.

Sources: http://en.wikipedia.org/wiki/Strategy
http://www.advfn.com/money-words_term_4775_strategy.html
http://www.thefreedictionary.com/control
http://www.brainyquote.com/words/pl/plan203536.html
http://www.merriam-webster.com/dictionary/control
http://www.brainyquote.com/words/co/control147765.html

5 What is “model”?
Model can be defined as a representation of a system which allows investigate the properties of the system or predict the future. Generally model is used for technical or quantitative analysis.
What is “snowball effect”?
Snowball effect is a process which starts from an initial small and becomes much larger than its initial situation. Generally snowball effect is dangerous but it may be beneficial.
What is “waterfall diagram”?
Waterfall diagram is a specific diagram that determines the linear flow in a progressive nature.

Sources: http://www.merriam-webster.com/dictionary/model
http://www.psychstat.missouristate.edu/introbook/sbk04m.htm
http://en.wikipedia.org/wiki/Snowball_effect
http://www.billiondollargraphics.com/waterfalldiagram.html

6 What does “validation/validity” mean?
Validation is a confirmation of something which fulfils the requirements for a specific use. In other words it can be seen as strength of your conclusions.
What does “significance” mean?
Significance in science is a measure of something’s truth. For example, in measurements much less values are known more significance.
What does “reliability” mean?
In science reliability is the accomplishment probability of a system or solution to a problem for a stated of time. In other words reliability is to have the same results for an experiment in the same situations which is specified in the original one.
What does “relevance” mean?
A score assigned to a search result, representing how ell the result matches the search query. In many cases, a result’s relevance determines the order in which the result is presented to the user.

Sources: http://www.kwaliteg.co.za/quality/Validation.htm
http://www.thefreedictionary.com/validation
http://www.yourdictionary.com/significance
http://www.sei.cmu.edu/str/indexes/glossary/reliability.html
http://web.utk.edu/~leon/rel/overview/reliability.html
http://www.merriam-webster.com/dictionary/relevance
http://www.thefreedictionary.com/relevance

7 What is an “event”?
Event can be defined as occurrence in the specific time and area. Put another way, it is an action of significance on a task or program.
What is a “process”?
Simply, it is what happens from the beginning to the end. On the other hand it is series of actions that contribute to an aim sequentially, or a set of things which represent the path of the actions.
What is a “life cycle”?
Life cycle of a product or an organization is a development process or different stages process from the beginning of production to the end of the usefulness of product.

Sources: http://www.learnthat.com/define/view.asp?id=6014
http://encarta.msn.com/encnet/features/dictionary/DictionaryResults.aspx?search=event
http://www.nwlink.com/~donclark/performance/process_definition.html
http://www.thefreedictionary.com/process
http://www.thefreedictionary.com/life+cycle
http://www.answers.com/topic/life-cycle?cat=technology

8 What does “iterative” mean?
It is a procedure of repeating. Iteration is a process that repetition of the previous steps until reach the accomplishment.
What does “sequence” mean?
Sequence is a following of a situation to another one or continuity of progression. These situations are related to each other.

Sources: http://en.wiktionary.org/wiki/iterative
http://www.merriam-webster.com/dictionary/iteration
http://www.thefreedictionary.com/sequence

5 Mayıs 2008 Pazartesi