Auser logs into their computer and is presented with a screen showing a department of justice logo indicating the computer has been locked due to the user being in violation of federal law. the screen gives several details of the violation and indicates that the user must pay a fine of $500 within 72 hours or a warrant will be issued for their arrest. the user cannot unlock the system. what type of malware is likely infecting the computer

Dean wants a quick way to look up staff members by their staff id. in cell q3, nest the existing vlookup function in an iferror function. if the vlookup function returns an error result, the text “invalid staff id” should be displayed by the formula. (hint: you can test that this formula is working by changing the value in cell q2 to 0, but remember to set the value of cell q2 back to 1036 when the testing is complete.)

Which tab should you open to find the option for adding a header?

Create a class named majors that includes an enumeration for the six majors offered by a college as follows: acc, chem, cis, eng, his, phys. display the enumeration values for the user, then prompt the user to enter a major. display the college division in which the major falls. acc and cis are in the business division, chem and phys are in the science division, and eng and his are in the humanities division. save the file as majors.java.