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  3. Requirments Vs Specification ?

Requirments Vs Specification ?

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  • S Offline
    S Offline
    super
    wrote on last edited by
    #1

    As part of my future article, I would like to put forth the question, just to gauge the understanding Can you please describe in a line for the meaning of Requirments and Specification from your personl experience?

    cheers, Super ------------------------------------------ Too much of good is bad,mix some evil in it

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    • S super

      As part of my future article, I would like to put forth the question, just to gauge the understanding Can you please describe in a line for the meaning of Requirments and Specification from your personl experience?

      cheers, Super ------------------------------------------ Too much of good is bad,mix some evil in it

      P Offline
      P Offline
      PIEBALDconsult
      wrote on last edited by
      #2

      Requirements are the "what" and Specification is the "how".

      R N A 3 Replies Last reply
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      • P PIEBALDconsult

        Requirements are the "what" and Specification is the "how".

        R Offline
        R Offline
        Ravi Bhavnani
        wrote on last edited by
        #3

        Precisely. :thumbsup: /ravi

        My new year resolution: 2048 x 1536 Home | Articles | My .NET bits | Freeware ravib(at)ravib(dot)com

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        • S super

          As part of my future article, I would like to put forth the question, just to gauge the understanding Can you please describe in a line for the meaning of Requirments and Specification from your personl experience?

          cheers, Super ------------------------------------------ Too much of good is bad,mix some evil in it

          R Offline
          R Offline
          RUs123
          wrote on last edited by
          #4

          While the first answer is a precise and a great summation of the difference I would like to add, that requirements come from the client. Specification however is created by the developer while developing the solution according to the requirements.

          F 1 Reply Last reply
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          • S super

            As part of my future article, I would like to put forth the question, just to gauge the understanding Can you please describe in a line for the meaning of Requirments and Specification from your personl experience?

            cheers, Super ------------------------------------------ Too much of good is bad,mix some evil in it

            M Offline
            M Offline
            Mark_Wallace
            wrote on last edited by
            #5

            Requirements = Hilarity. Specification = Impossibility.

            I wanna be a eunuchs developer! Pass me a bread knife!

            1 Reply Last reply
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            • S super

              As part of my future article, I would like to put forth the question, just to gauge the understanding Can you please describe in a line for the meaning of Requirments and Specification from your personl experience?

              cheers, Super ------------------------------------------ Too much of good is bad,mix some evil in it

              R Offline
              R Offline
              RedDk
              wrote on last edited by
              #6

              super wrote:

              personl

              He asked, he told ... "If you're about to post something you wouldn't want your kid sister to read then don't post it."

              1 Reply Last reply
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              • S super

                As part of my future article, I would like to put forth the question, just to gauge the understanding Can you please describe in a line for the meaning of Requirments and Specification from your personl experience?

                cheers, Super ------------------------------------------ Too much of good is bad,mix some evil in it

                S Offline
                S Offline
                sir_download_alot
                wrote on last edited by
                #7

                As stated by others: Requirements: What you want the software to do Specification: How it will do it http://en.wikipedia.org/wiki/Software_requirements_specification[^] How Dilbert sees it: https://www.flickr.com/photos/young_rainey/4522206112/[^]

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                • P PIEBALDconsult

                  Requirements are the "what" and Specification is the "how".

                  N Offline
                  N Offline
                  Nelson Kosta Souto
                  wrote on last edited by
                  #8

                  I agree :)

                  NKS

                  1 Reply Last reply
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                  • P PIEBALDconsult

                    Requirements are the "what" and Specification is the "how".

                    A Offline
                    A Offline
                    Al Chak
                    wrote on last edited by
                    #9

                    Requirements are the "WHY" and Specification is the "WHERE".

                    P 1 Reply Last reply
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                    • S super

                      As part of my future article, I would like to put forth the question, just to gauge the understanding Can you please describe in a line for the meaning of Requirments and Specification from your personl experience?

                      cheers, Super ------------------------------------------ Too much of good is bad,mix some evil in it

                      D Offline
                      D Offline
                      David M Kelly
                      wrote on last edited by
                      #10

                      To me, requirements are the wish list. Specifications are what is going to be delivered.

                      www.davidmkelly.net Character-based SF and more...

                      1 Reply Last reply
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                      • S super

                        As part of my future article, I would like to put forth the question, just to gauge the understanding Can you please describe in a line for the meaning of Requirments and Specification from your personl experience?

                        cheers, Super ------------------------------------------ Too much of good is bad,mix some evil in it

                        M Offline
                        M Offline
                        MikeTheFid
                        wrote on last edited by
                        #11

                        The requirements is what the software ought to do. The specification is the documented misunderstanding of the requirements.

                        Cheers, Mike Fidler "I intend to live forever - so far, so good." Steven Wright "I almost had a psychic girlfriend but she left me before we met." Also Steven Wright

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                        • A Al Chak

                          Requirements are the "WHY" and Specification is the "WHERE".

                          P Offline
                          P Offline
                          PIEBALDconsult
                          wrote on last edited by
                          #12

                          Are you talking about hiding the body? :confused:

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                          • R RUs123

                            While the first answer is a precise and a great summation of the difference I would like to add, that requirements come from the client. Specification however is created by the developer while developing the solution according to the requirements.

                            F Offline
                            F Offline
                            foggles
                            wrote on last edited by
                            #13

                            "requirements come from the client" - sounds like you have a great client, sometimes you have to guess at what they want :)

                            R 1 Reply Last reply
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                            • S super

                              As part of my future article, I would like to put forth the question, just to gauge the understanding Can you please describe in a line for the meaning of Requirments and Specification from your personl experience?

                              cheers, Super ------------------------------------------ Too much of good is bad,mix some evil in it

                              D Offline
                              D Offline
                              DOUGLAS O MOEN
                              wrote on last edited by
                              #14

                              What and how? Requirements have 2 attributes: 1. They are statements of form, fit, and/or function. 2. They are testable (by inspection, test, etc.) Specifications are documents. They collect the known and derived requirements. In a formal environment, there may be documents addressing software requirements, hardware requirements, and / or operation requirements. Specifications contribute (as a precursor) to test plans, procedures, and reports. As a former system's engineer, I have not seen a 'specification' that describes 'how'.

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                              • F foggles

                                "requirements come from the client" - sounds like you have a great client, sometimes you have to guess at what they want :)

                                R Offline
                                R Offline
                                RUs123
                                wrote on last edited by
                                #15

                                Ha, yes you are right, I should have added - if you are lucky or perhaps requirements are made up by the project manager/director. The latter is true if you are not so lucky. :-D

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                                • S super

                                  As part of my future article, I would like to put forth the question, just to gauge the understanding Can you please describe in a line for the meaning of Requirments and Specification from your personl experience?

                                  cheers, Super ------------------------------------------ Too much of good is bad,mix some evil in it

                                  W Offline
                                  W Offline
                                  W Balboos GHB
                                  wrote on last edited by
                                  #16

                                  Actually, they're one in the same thing:

                                  DELUSIONS

                                  "The difference between genius and stupidity is that genius has its limits." - Albert Einstein

                                  "As far as we know, our computer has never had an undetected error." - Weisert

                                  "If you are searching for perfection in others, then you seek disappointment. If you are seek perfection in yourself, then you will find failure." - Balboos HaGadol Mar 2010

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                                  • S super

                                    As part of my future article, I would like to put forth the question, just to gauge the understanding Can you please describe in a line for the meaning of Requirments and Specification from your personl experience?

                                    cheers, Super ------------------------------------------ Too much of good is bad,mix some evil in it

                                    L Offline
                                    L Offline
                                    Leng Vang
                                    wrote on last edited by
                                    #17

                                    When comes to these two words everyone has their own experiences and opinions. A lot of people think they are one of the same, but they really are two different documents. Requirement: User's needs, whether explicitly or implicitly stated. Specification: Conditional boundaries to validate and satisfy user's needs.

                                    1 Reply Last reply
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                                    • S super

                                      As part of my future article, I would like to put forth the question, just to gauge the understanding Can you please describe in a line for the meaning of Requirments and Specification from your personl experience?

                                      cheers, Super ------------------------------------------ Too much of good is bad,mix some evil in it

                                      J Offline
                                      J Offline
                                      jnlt
                                      wrote on last edited by
                                      #18

                                      Here is an article that touches on this. As I see it you can take a finished article and test it to verify it meets the specification. But you have to have an understanding of its use in the 'world' to validate if the requirements are met. So the specification is kind of box level description of what it will do. If others have said the same thing I apologize. I find it an interesting distinction. http://www.cs.virginia.edu/~jck/publications/engineering_roles_of_req_and_spec.pdf[^]

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                                      • S sir_download_alot

                                        As stated by others: Requirements: What you want the software to do Specification: How it will do it http://en.wikipedia.org/wiki/Software_requirements_specification[^] How Dilbert sees it: https://www.flickr.com/photos/young_rainey/4522206112/[^]

                                        L Offline
                                        L Offline
                                        Leng Vang
                                        wrote on last edited by
                                        #19

                                        For the Dilbert question: the answer is yes.

                                        1 Reply Last reply
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                                        • S super

                                          As part of my future article, I would like to put forth the question, just to gauge the understanding Can you please describe in a line for the meaning of Requirments and Specification from your personl experience?

                                          cheers, Super ------------------------------------------ Too much of good is bad,mix some evil in it

                                          Y Offline
                                          Y Offline
                                          Yortw
                                          wrote on last edited by
                                          #20

                                          Both are mythical :-D In general I agree with the statement that requirements are the what and the spec is the how, but I would qualify it slightly; Requirements are the what based on why (and therefore may include 'why' notes) and the spec is a rough guide to the 'how'. If your spec is detailed enough to leave not creativity/problem solving to the dev, you (almost) might as well have written the code and avoided the spec altogether.

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