Question Detail When did IBM released the first version of its disk operating system DOS version 1.0 ? 1981198219831984 Answer: Option A Similar Questions : 1. Which type of software can be used to merge data of two files in one file ? System softwareNetworking softwareDocumenting softwareUtility Software Answer: Option D 2. What is the name of values that are automatically provided by software to reduce keystrokes ? Data ValuesDefault ValuesDefined ValuesFixed Values Answer: Option B 3. Banker's algorithm for resource allocation deals with ? deadlock preventiondeadlock aviodancedeadlock recoverycircular wait Answer: Option B 4. Which of following is not an advantage of multiprogramming ? increased throughputshorter response timeability to assign priorities of jobsdecreased system overload Answer: Option D 5. Memory protection is of no use in single user system. TrueFalse Answer: Option A Read more from - Operating System Questions Answers - Set 2