I need some help regarding the syllabus and exam pattern?
Click on this link and you can get the full syllabus of GATE 2019 for CS in pdf form (downloadable) -
https://images.careers360.mobi/sites/default/files/GATE%202018-CS-Computer-Science-and-Information-Technology.pdf
As for the exam pattern, here are some multiple choice questions which have negative markings and 4 choices are supplied with each questions. Some NAT questions will also be there which doesnot have any negative markings. You have to answer NAT questions using the provided virtual keyboard. In the exam you will also be provided with a virtual on-screen calculated for critical calculation purposes.At first there will be some aptitude questions (MCQs) and then technical based questions (MCQs and NATs).