Options: means storing records in contiguous blocks according to a key., Stores records sequentially but uses an index to locate records, uses an index for each key type, has records placed randomly throughout the file
Options: (A)It is a measure of number of function that calls some other function. (B) It is measure of number of functions, which are called by a function. (C) In it server is only responsible for data management. (D) None of these 20
Many large organizations have information _____ where managers can use fourth-generation languages to retrieve the facts they need from online data bases, and where staff experts are available to provide PC hardware/ software guidance.
Options: (A)a window is moved to a new position (B) the user wants to view a floating popup menu for the window (C) an event from the vertical scrollbar of the window (D) an event from the horizontal scrollbar of the window 3
William Frederick is credited with the invention of the modern frisbee in the mid 1950's. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbie who was a ________?
Options: Pie maker, Owner of a pizza parlor, Student at Yale, Ceramic plate designer
In an experiment in which a new drug was being tested on 1000 rats, which one of the following would a computer be least able to do?
Options: determine the total amount of drug that had been given to all 1000 rats keep records of weight changes of the 1000 rats, keep records of the dosages and the dates the drug was given to each rat, determine the total dosage that had been given to each rat, keep records of weight changes of the 1000 rates
Options: an error-detecting code based on a summation operation performed on the bits to be checked., a check bit appended to an array of binary digits to make the sum of all the binary digits., a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and thus the presence of the errors is detected., the ratio of the number of data units in error to the total number of data units