AtoZExams

Operating System Multiple Choice Questions 1) What is the use of directory structure in the operating system? The directory structure is used to solve the problem of the network connection in OS. It is used to store folders and files hierarchically. It is used to store the program in file format. All of the these  Answer: (b) It is used to store folders and files hierarchically. Explanation: In the OS, a directory structure is a container that is used to store folders and files in a hierarchical manner. 2) What type of scheduling is round-robin scheduling? Linear data scheduling Non-linear data scheduling Preemptive scheduling Non-preemptive scheduling  Answer: (c) Preemptive scheduling Explanation: Round-robin scheduling is a preemptive scheduling algorithm in which a specific time is provided to execute each process. This specific time is called time-slice. 3) Which conditions must be satisfied to solve a critical section problem? Bounded Waiting Progress Mutual Exclusion Al...

Operating System Multiple Choice Questions 1) Which of the following is not an operating system? Windows Linux Oracle DOS  Answer: (c) Oracle Explanation: Oracle is an RDBMS (Relational Database Management System). It is known as Oracle Database, Oracle DB, or Oracle Only. The first database for enterprise grid computing is the Oracle database. 2) What is the maximum length of the filename in DOS? 4 5 8 12  Answer: (c) 8 Explanation: The maximum length of the filename is 8 characters in the DOS operating system. It is commonly known as an 8.3 filename. 3) When was the first operating system developed? 1948 1949 1950 1951  Answer: (c) 1950 Explanation: The first operating system was developed in the early 1950's. It was also called a single-stream batch processing system because it presented data in groups. 4) When were MS windows operating systems proposed? 1994 1990 1992 1985  Answer: (d) 1985 Explanation: The first MS Windows operating system was introduced in earl...

Operating System Multiple Choice Questions 1) Which of the following is not an operating system? Windows Linux Oracle DOS  Answer: (c) Oracle Explanation: Oracle is an RDBMS (Relational Database Management System). It is known as Oracle Database, Oracle DB, or Oracle Only. The first database for enterprise grid computing is the Oracle database. 2) What is the maximum length of the filename in DOS? 4 5 8 12  Answer: (c) 8 Explanation: The maximum length of the filename is 8 characters in the DOS operating system. It is commonly known as an 8.3 filename. 3) When was the first operating system developed? 1948 1949 1950 1951  Answer: (c) 1950 Explanation: The first operating system was developed in the early 1950's. It was also called a single-stream batch processing system because it presented data in groups. 4) When were MS windows operating systems proposed? 1994 1990 1992 1985  Answer: (d) 1985 Explanation: The first MS Windows operating system was introduced in earl...