Hi Madhuri,

Its good that you are preparing for AP ICET. Actually AP ICET  is online entrance exam for MBA & MCA respectively. This is computer based exam online mode. There are some instructions for candidates, you have to read that carefully. This is an objective test and the questions are of multiple type. Out of given options you have to choose correct option by clicking on it and save that answer by clicking on save & next button at bottom. 

Here is demo mock test link. You can reffer to get an idea of computer based AP ICET examination. Just go through that and practice as more as possible you will be habitual of the online computer based exam.

https://g01.digialm.com//OnlineAssessment/index.html?1383@@M67

Hope you are satisfied with my answer.