PGT Computer Science (Level-3), (HTET Exam 2020)Total Questions: 150121. The key processing component of "Fourth generation computers" comprise of which of the following?A. VLSI MicroprocessorB. Vacuum TubesC. DiodesD. TransistorsCorrect Answer: A. VLSI Microprocessor122. In MS Excel, fine-tuning an input value to acquire precise outcome is called:A. Goal seekB. ChartingC. SortingD. ValidationCorrect Answer: A. Goal seek123. Which of the following command interface is normally used for windows operating system?A. Menu driven interfaceB. Command line interfaceC. Graphical user interfaceD. Icon interfaceCorrect Answer: C. Graphical user interface124. Which one of the following is used to sort rows in SQL?A. SORTBYB. ALIGNBYC. ORDERBYD. GROUPBYCorrect Answer: C. ORDERBY125. Who is the founder of Facebook social networking website?A. Bill GatesB. Mark ZuckerbergC. Martin CooperD. Orkut BuyukkoktenCorrect Answer: B. Mark Zuckerberg126. Which SQL Query is used to remove a table and all its data from the database?A. Create TableB. Alter TableC. Drop TableD. None of threeCorrect Answer: C. Drop Table127. Which device is needed to connect two computer systems, if the systems use different protocols?A. RepeaterB. GatewayC. BridgeD. HubCorrect Answer: B. Gateway128. What is ACID properties of DBMS Transactions?A. Atomicity, Consistency, Isolation, DatabaseB. Atomicity, Consistency, Isolation, DurabilityC. Atomicity, Consistency, Inconsistent, DurabilityD. Automatically, Concurrency, Isolation, DurabilityCorrect Answer: B. Atomicity, Consistency, Isolation, Durability129. Which of the following is the best description of the word internet?A. A personal communication systemB. A corporate communication systemC. Indian Government communication systemD. A large network of networksCorrect Answer: D. A large network of networks130. Which of the following term is used for a computer network that typically connects personal computers within a limited geographical area, usually within a single building?A. LANB. WANC. MAND. BANCorrect Answer: A. LANSubmit Quiz« Previous123456789101112131415Next »
