What is Component: Definition and 567 Discussions

Component-based software engineering (CBSE), also called components-based development (CBD), is a branch of software engineering that emphasizes the separation of concerns with respect to the wide-ranging functionality available throughout a given software system. It is a reuse-based approach to defining, implementing and composing loosely coupled independent components into systems. This practice aims to bring about an equally wide-ranging degree of benefits in both the short-term and the long-term for the software itself and for organizations that sponsor such software.
Software engineering practitioners regard components as part of the starting platform for service-orientation. Components play this role, for example, in web services, and more recently, in service-oriented architectures (SOA), whereby a component is converted by the web service into a service and subsequently inherits further characteristics beyond that of an ordinary component.
Components can produce or consume events and can be used for event-driven architectures (EDA).

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  1. A

    Calculating Displacement: X Component Error

    I thought I calculated the vector components correctly and added them, but apparently something is wrong. A car travels 2.2 km in the x-direction, then turns left 67.5 degrees to the original direction and travels an additional distance of 3.09km. Calculate the x component of the car's...
  2. L

    What causes a bicycle to continue moving forward after taking a 90 degree turn?

    The component of a force in a perpendicular direction is given by F Cos 90 and is 0. But when one rides a bycycle and stops paddling before and after taking a 90degree turn, the bycycle continues to move forward. What might be the explanation?
  3. C

    Force that will be created on the component

    a mass of 22 kg is dropped vertically from 180mm on a component. I know the final velocity while the hit takes place is 3.53m/sqsec. What is the force that will be created on the component and to what duration the force lasts.
  4. L

    Hubbles's law and the Dark Energy Component

    "RE: Hubble's law is WHAT is driving the expansion: the not so recent Findings (last 10-5 yrs) is that experimentally it looks like there is a dark energy component." Question: At what point does Hubble's Law begin to suggest this dark energy component? Suzanne Elizabeth Seitz
  5. D

    Spectroscope separates entering light into its component wavelengths?

    What part of the spectroscope separates entering light into its component wavelengths?
  6. P

    What is the component of the total angular momentum along the axle?

    Two lightweight rods d = 23 cm are mounted perpendicular to an axle and at 180° to each other. (Fig. 11-24). At the end of each rod is a 700 g mass. The rods are spaced 40 cm apart along the axle. The axle rotates at 41 rad/s. http://www.geocities.com/sinceury/11-24alt.gif (a) What is...
  7. B

    Mag. component of positive charges

    Hello scientists, I'm unable to make any advances with this small problem.. two equal and positive charges (q) travel (in the same direction) at a speed (v), and are parallel to each other, at separation (r). Derive an expression for the force between them, in the form of: F = Felec(1 -...
  8. K

    Find the magnitude of the trucks horizontal component of displacement

    Can anyone help me with these 2 problems.. I have been stuck on them :grumpy: Thanks! --------- A car travels 1.14km in the x- direction, then turns left 74.1 degrees to the original direction and travels an additional distance of 3.18km. Calculate the x component of the car's net...
  9. C

    Solving Mutually Perpendicular Vector Components

    Guys, I am stuck on this problem. I have the answer from the back of the book, but I don't know how to solve it. I tried to solve it by isolating Ux, Vy, and trying to solve it by simultaneous equations, but I always end up getting something like Vy = Vy , or something like Vy - Vy = 0. It keeps...
  10. I

    Find the x and y component of vector c

    You are given vectors a = 4.50i-7.00j and b = -3.50i+7.40j. A third vector c lies in the xy-plane. Vector c is perpendicular to vector a and the scalar product of c with b is 10.0. now i figured that since vector a is in quad 4, then to be perpendicular, vector c would have to be in quad 1...
  11. Antonio Lao

    Can a Physical Law Formulated by One component Tensor ?

    Can a Physical Law Formulated by One component Tensor ? The number of component of a tensor of any rank is given by c = d^r where c is the number of component, d is the dimension of the tensor, r is the rank of the tensor. For r=0, the tensors are the scalars. For r=1, the tensors...
  12. J

    Does relativistic mass have a gravitational component?

    Can anyone help me with something I have been puzzling over on and off for 15 years? I studied Physics at university, but went on to become a computer consultant, and I have forgotten quite a bit. Moreover I have not been able to find anyone willing to take the time to explain it. The...
  13. wasteofo2

    What component of the blood carries nutrients?

    Does a specific part of your blood carry nutrients to your body (like red blood cells carry o2), or are they just floating around free in the plasma?
  14. G

    Class II Green Laser for Prototype Design - Angular Spread: 30 Degrees

    Hi, I am working on a prototype design. For it I will need a laser with the following specs... Class II, Green, line-generating laser, with an angular spread of approximately 30 degrees. Where can I get such a laser? Thanks, Glenn
  15. D

    Find the vertical component and friction

    Alright, so I've scanned my book and I am thuroughly confused. My friend has an identical problem (the numbers are different), and we can't even start working on the problem. Of course, I'm not looking for an answer. I'm just trying to get started here... what I'm thinking is that I...
  16. S

    Measuring Spin Component of Particle with S=1 & Sz=1

    For a particle with S = 1 in a state of Sz = 1, what are the probabilities to obtain the various values of the spin component if measured along a direction which makes an angle Q relative to the z-axis? Is there a general method for an arbitrary value of S?
  17. E

    Initial vertical component of velocity is 61 m/s

    a toy is thrown up; its initial vertical component of velocity is 61 m/s and its initial horizontal component of velocity is 10m/s what is the toys speed two seconds later; please help
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