Common Eligibility Test (CET) is basically an eligibility test for different professionals of different fields. In this test many exams are conducted by different organizations like DOEAAC. DOEAAC is now known as National Institute of Electronics and Information Technology (NIELIT), It provides various levels of course to the students such as ‘O’ Level, ‘A’ Level and certificate courses.
CCC is a certificate course of basic computer concepts. And Other eligibility test like 'Jawahar Navodaya Exams' for class VIth and IXth class admission etc.