Which of the following is not true of office automation?
Options: It enhances office productivity., Human factors should be considered in implementing office automation., It will increase informal communications between employees., Software should be designed to be user-friendly
Options: (A)The large set of candidate solutions possible for a problem (B) The information stored in a database that can be, retrieved with a single query. (C) Worth of the output of a machinelearning program that makes it understandable for humans (D) None of these 8
. In a punched card system, data is processed by a
Options: A) Keypunch machine, sorter and posting machine
B) Accounting machine, posting machine, and billing machine
C) Sorter, posting machine, and billing machine
D) Accounting machine, keypunch machine and sorter
Options: a. Holding down the Shift key while you draw an object creates perfect squares, circles and straight lines b. The text in a text box can’t be formatted c. The drawing toolbar contains tools for drawing shapes, lines, arrows, and more d. Ctrl+S save the document
Which one of the following statements best describes magnetic hysteresis?
Options: Hysteresis is the amount of magnetic flux that is not confined to the core material of an electromagnet, Hysteresis is most apparent when a steady amount of current is lowing through the coil of an electromagnet, Hysteresis is most apparent when the current through the coil of an electromagnet changes frequently, Hysteresis is most apparent when the core material is saturated