Pergunta de entrevista da empresa Mahisoft

In one interview there were simple questions about computer science. One of the technical interviews required to develop an express.js-like API i.e. chainable functions that receive a callback and a result as parameters. They should be executed in sequence as they were called e.g. function a(res, err) {} function b(res, err) {} function c(res, err) {} must be possible to call it like: a(b(c)) The interview with the CEO was about graphs and graph traversals. He also asked me a lot about Databases and how to store graph datastructures on it.