Operating System Questions and Answers online test. Free practice mock test are bilingual (Hindi & English). Computer quiz useful for NIELIT CCC Online Test, O level, Jobs Interview, Practical Via-via, SSC, Bank, PO, NRA CET, UPPCL TG2, Delhi Police Police and Computer General Knowledge for other Govt Job competitive exams.
Questions are Bilingual -द्विभाषी (हिंदी और अंग्रेजी)
Click on Respective Set for practice Question of Operating System
Questions No – 1 to 25 : Set Number 1
Questions No – 26 to 50 : Set Number 2
Questions No – 1 to 51 : Set Number 3
Questions No – 76 to 100 : Set Number 4