Which one of the following statements most accurately reflects the nature of ac power?
Options: The current in an ac circuit flows in one direction, but changes value periodically, The current in an ac circuit flows in one direction at a steady level, The current in an ac circuit changes direction periodically, The current in an ac circuit flows in two directions at the same time
Options: is a value that is incremented whenever a dirty read occurs., is incremented whenever a deadlock occurs., is a value that keeps track of explicit locks., is a value that is incremented whenever database changes are made.
Options: Â A compiler does a conversion line by line as the program is run
B. Â A compiler converts the whole of a higher level program code into machine code in one step
C. Â A compiler is a general purpose language providing very efficient execution
D. Â None of the above
Ans:– B ,
Which of the following is not a characteristic of a system?
Options: operates for some purpose, has homogeneous components, operates within a boundary, has interacting components
The data-link layer, in reference to the OSI model, specifies
Options: data link procedures that provide for the exchange of data via frames that can be sent and received, the interface between the X.25 network and packet mode device, the virtual circuit interface to packet-switched service, All of the above
You have a network ID of 184.108.40.206 and you need to divide it into multiple subnets in which at least 600 host IDs for each subnet are available. You desire to have the largest amount of subnets available. Which subnet mask should you assign?
Suppose you wanted to create an AutoCorrect entry that would type the words ‘We regret to inform you that your submission has been declined’ Of the following choices, which would be the best name you could assign to this entry?
Options: A) Regret, B) Subdual, C) We regret to inform you that your submission has been declined, D) 11,