Practice IT Operating System Questions and Answers

• The LRU replacement algorithm will select the page that:
• In which topology does data travel in a circular manner from one node to another?
• Which of the following statements about the ALOHA protocol is correct?
• Non-Final state in DFA is represented by :
• SLA stands for :
• Which of the following page replacement algorithms replaces the page that has not been used for the longest period of time in the past?
• If you have MAC address then to know the IP address you will use :
• Which of the following statements about a MAC address is incorrect?
• MAC Address size is :
• Which relationship is depicted in the given figure?  ...
• If a class inheriting an abstract class does not define all of its function then it will be known as :
• Which of the following best defines software testing?
• Which of the following statements about the UNION operator in SQL is correct?
• Convoy effect is observed in :
• “Build Verification  Testing ” is the name of :
•  Which of the following best describes validation testing?
• *-adc is which form of representation ?
• Strategy for software debugging in which the tester has limited knowledge of the internal details of the program :
• Which of the following statements about SRAM (Static RAM) is correct?
• Which of the following techniques is an example of compiler-level code optimization?
• Finite automata   ∑ represent   has :
• Which of the following statements about unguided transmission media is correct?
• Which of the following statements about star topology is correct?
• Which of the following best describes a gateway in Computer Networks?
• What does the Hamming distance between two binary strings represent?
• Packet filtering is responsibility of which layer of OSI model?
• Which topology uses a single backbone cable to which all nodes are connected?
• Which of the following statements about a dense index is correct?
• Which of the following best describes an accumulator in a CPU?
• int i=10; float f=i; What kind of typecasting is happening in the above scenario?
• Which of the following best describes a cookie in web technology?
• Which of the following best defines a process in an operating system?
• Which of the following best describes a query in a database?
• Which of the following best describes network topology?
• struct student {     char[30] name;     int age;     //structure for address which has different parts     struct Address     {       ...
• What will be name given to the path where the start node will become the end node ?
• Which of the following is the primary function of an Operating System?
• Which of the following techniques is most effective for improving the time efficiency of a program?
• Which of the following statements about guided transmission media is correct?
• Which of the following statements about mesh topology is correct?