What is the difference between integral and derivative control?
Options: derivative control does not eliminate offset error, integral control has slower response to an error signal., derivative control responds to a change in the rate of change in the error signal, All of the above
Each answer below shows example data from a table. Which answer is an example of the general-purpose remarks column problem?
Options: Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row., Three rows have the values Brown Small Chair, Small Chair Brown, and Small Brown Chair in the same column., Three rows have the values Brown, NULL, and Blue in the same column., One row has the value "He is interested in a Silver Porsche from the years 1978-1988" in a column.
Options: a common database design task., a rare database design task, but does occur., a database design task that never occurs., is impossible to do, so a new database must be constructed and the data moved into it.
Options: There are no public instance variables., All persistent values are accessed using getxxx and setxxx methods., It may have many constructors as necessary., All of the above are true of a Java bean.
Which of the following statements is the most accurate?
Options: The degree to which information needs to be summarized increases as one moves up through the management levels, Low-level managers made unstructured decisions, Upper managers make unstructured decisions, Low-level managers need general information about operating activities.
. What is the purpose of inserting header and footer in document?
Options: a. to enhance the overall appearance of the document b. to mark the starting and ending of page c. to make large document more readable d. to allow page headers and footers appear on document when printed
Options: a. Foreign key fields don't allow duplicate values
b. In primary key field you can enter duplicate value
c. In an indexed field you may or may not enter duplicate value depending upon setting
d. All statements are true
Options: decides which program to run, counts the number of instructions that have been executed, contains the address of the next instruction to be executed, is where arithmetic is done in a computer.