Concurrency control is important for which of the following reasons?
Options: To ensure data integrity when updates occur to the database in a multiuser environment, To ensure data integrity when updates occur to the database in a single-user environment, To ensure data integrity while reading data occurs to the database in a multiuser environment, To ensure data integrity while reading data occurs to the database in a single-user environment
Options: a. Allows you to combine text from several documents and tehn insert all the text into one document at onwe time
b. Allows you to edit auto text entries
c. Allows you to format uto text entries
d. All of above
Thorough planning must take place when setting up an 802.3 network. A maximum number of segments can separate any two nodes on the network. What is the maximum number of segments allowed between two nodes?
Which one of the following is a direct statement of Ohm's law?
Options: The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it, The total resistance of a parallel circuit is less than the value of the smallest resistance, The algebraic sum of voltages in a loop is equal to zero, The algebraic sum of currents entering and leaving a point is equal to zero
.The elements of an array are stored successively in memory cells because
Options: A)by this way computer can keep track only the address of the first element and the addresses of other elements can be calculated
b.the architecture of computer memory does not allow arrays to store other than serially
c.both of above
d.none of above
Options: (A)A class of learning algorithm that tries to find an optimum classification of a set of examples using the probabilistic theory. (B) Any mechanism employed by a learning system to constrain the search space of a hypothesis. (C) An approach to the design of learning algorithms that is inspired by the fact that when people encounter new situations, they often explain them by reference to familiar experiences, adapting the explanations to fit the new situation. (D) None of these
Options: (A)Right-click the row heading where you want to insert the new row and select Insert from the shortcut menu (B) Select the row heading where you want to insert the new row and select Edit >Row from the menu (C) Select the row heading where you want to insert the new row and click the Insert Row button on the standard toolbar (D) All of the above 10