COCOMO (COnstructive COst MOdel) is a software cost estimation model developed by Barry Boehm. It estimates effort, time, and cost based on project size, complexity, and development factors. It has three types: Basic, Intermediate, and Detailed COCOMO
The COCOMO (Constructive Cost Model) is a model used for estimating the cost, effort, and schedule of software projects. It uses a set of equations based on the size of the software (measured in lines of code) and project attributes to predict the resources required. The model includes different levels of complexity, from basic to intermediate to advanced, to provide more accurate estimates based on project characteristics.
Coco model stands for constructive cost model. It makes estimation for the cost of the product. The model was difficult to implement. So it is not much in use.
Cocomo is a model that was used at one time for estimation of software projects. It allows you to input some parameters and get an estimate of the level of effort associated with a software project. It is difficult to use and the estimates it generates are not very reliable. That is why it is no longer widely-used.