History of Computer is not too long, let's find out how much expertise you have on this topic. Attempt the IBPS Clerk Practice Test on history of computers (which is in accordance with the syllabus and question difficulty level of IBPS Clerk Prelims) to assess your mastery on it.
Computer Hardware and Software is a vast topic but knowing the basics can easily get you through the IBPS RRB Prelims Exam. Check out some of the most frequently asked important Computer Hardware and Software questions in the online practice tests available in this section, answer them, get reports and improve your performance before appearing in the actual RRB CWE Prelims.
Computer Network and Internet Basic is an important part of Computer Knowledge section of IBPS Clerk Prelims. To check your overall grip on Internet & Networking basics, try your hands at online practice test paper available in this section of IBPS Clerk Mock Tests.