Which one of the following statements is true for the voltages in a series RC circuit?
Options: The total voltage is equal to the sum of the voltages across the resistance and capacitance, The voltage always has the same amplitude and phase for every part of the circuit, The total voltage is less than the sum of the voltages across the resistance and capacitance, The total voltage is greater than the sum of the voltages across the resistance and capacitance
Options: consisted of an cathode-ray oscilloscope driven by a Lincoln Tx2 computer where by graphical information was displayed on the screen., is used for interactive Graphics, is expensive because it is sophisticated and make demands on the power and resources of the computer., All of the above
Options: A major category of data about people, place, and things, The various departments of an organization, The application software, The business processes the support the mission of an organization
Which of the following is true concerning the mainframe?
Options: It is the same thing as client/server., Requires someone to decide which code should be on the workstation or the server., Mission-critical systems have tended to remain there., All of the above.
Which SQL Query is use to remove a table and all its data from the database?
a. Create Table
b. Alter Table
c. Drop Table
d. None of these
Options: Every primary-key value must match a primary-key value in an associated table
B. Every primary-key value must match a foreign-key value in an associated table
C. Every foreign-key value must match a primary-key value in an associated table
D. Every foreign-key value must match a foreign-key value in an associated table
Ans:– c ,
. Which of the following is a standard file format language for web documents?
Options: is used to set upper and lower limits on numeric data, requires the use of passwords to prohibit unauthorized access to the file, has the data dictionary keep the date and time of last access last back-up, and most recent modification for all files, All of the above
Options: it is impossible to write a control program for a machine in any other logic, it is the best industrial control language ever developed., most industrial control personnel are familiar with relay ladder logic diagrams and this is the easiest for them to use, All of the above