Practice IT Operating System Questions and Answers

• What is the best case time complexity of merge sort?
• Which is not an IoT OS?
• Fill the blank In K-Means algorithm, we calculate the distance between each point of the dataset to every ________ initialized.  ...
• Which is relational Database
• In datawarehouse , a fact table consist of
• State True or False Kernel level thread cannot share the code segment.
• State True or False Semi-structured data  is data that does not conform to a data model but has some structure. It lacks a fixed or rigid schema. It is...
• The latency of a network is 
• Which is computer object code?
• Predict the output list1 = ['physics', 'chemistry', 1997, 2000] list2 = [1, 2, 3, 4, 5, 6, 7 ] print "list1[0]: ", list1[0]
• Average waiting time of all process?
• State true or false This scheduling algorithm is not ideal for time sharing systems.
• ___________________ is the amount of time taken to fulfill the request by the process. It can be calculated by taking the difference between the completion...
• Which is best fit for blank space 14?
• Which is best fit for blank space 15?
• Which is best fit for blank space 16?
• Which is best fit for blank space 17?
• Which functional dependency holds in given relation R (A, B, C) and why? ...
• Which functional dependency does not holds in given relation and why? ...
• First layer of TCP/IP Suite name
• For which layer TCP IP suite does not provide any Protocol
• Which is connectionless and unreliable protocol
• Fill the correct option for blank space 23.
• Fill in the correct option for 24 blank space.
• Fill in the correct option for 25 blank space.
• Fill in the correct option for 26 blank space.
• Fill in the correct option for 27 blank space.
• Fill in the correct option for 28 blank space.
• Fill in the correct option for 29 blank space.
• State true or false                                ODBC drivers are available for Oracle, Sybase, Informix, Microsoft SQL S...
• In pipelining, the CPU executes each instruction in a series of following stages: Instruction Fetching (IF) —–> Instruction Decoding (ID) —–> Instr...
• The core element of parallel processing is ___.
• The ALU performs the indicated operation on the operands prepared in the prior cycle and store the result in the specified destination operand location.
• In ___ each address field determines two address fields i.e. either a memory word or the processor register.
• Which function can fetch and issue instructions from a queue or latch?
• How many types of JDBC drivers?
• Which represents a collection of binary data stored as a single entity in the database management system?
• ._______ method can be used for any SQL statements(Select and Update both).
• The Statement object is created by using createStatement() method of Connection class.
• What are the 3v’s of Big Data?