A heterogeneous distributed database is which of the following?
Options: The same DBMS is used at each location and data are not distributed across all nodes., The same DBMS is used at each location and data are distributed across all nodes., A different DBMS is used at each location and data are not distributed across all nodes., A different DBMS is used at each location and data are distributed across all nodes.
After coding a document into a digital signal, it can be sent by telephone, telex or satellite to the receiver where the signal is decoded and an exact copy of the original document is made. What is it called?
Options: Telex, Word processor, Facsimile, Electronic mail
Which one of the following is a statement of Kirchhoffs current law?
Options: The current through a resistance is proportional to the value of resistance and the IR drop across it, The total current in a parallel circuit is less than the value of the smallest current, The algebraic sum of currents in a loop is equal to zero, The algebraic sum of currents entering and leaving a point is equal to zero
Options: transmission of signals without modulation, a signal all of whose energy is contained within a finite frequency range, simultaneous transmission of data to a number of stations, All of the above
Options: View ribbon – Show – Convert button
B. Layout ribbon – Data group – Convert button
C. Insert ribbon – Table group – Convert button
D. Page Layout ribbon – Arrange – Convert button
Ans:– B ,
In an SQL SELECT statement querying a single table, according to the SQL-92 standard the asterisk (*) means that:
Options: all columns of the table are to be returned., all records meeting the full criteria are to be returned., all records with even partial criteria met are to be returned., None of the above is correct.
Options: a. Insert a text box and select Insert >> Page Number b. Insert a textbox and select Insert >> Number >> PageNumber c. Choose Insert >> Slide Number d. Insert a new text box and select Insert >> slide Number
. To change font size of a selected slide title, you?
Options: a. Click the toolbars font dropdown arrow and choose the font you prefer b. Click format, title and choose a font from the font tab c. Click the toolbar’s increase font size button d. Click title, new font, ok.
Which one of the following statements is true for the voltage in a parallel RL circuit?
Options: The voltage always has the same amplitude and phase for every part of the circuit, The total voltage is equal to the sum of the voltages across the resistance and inductance, The total voltage lags the total current by less than 90, The total voltages is less than the sum of the voltages across the resistance and inductance