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Refer to the text in this chapter if necessary A good score is at least 18 correct Answers are in the back of the book 1 A major difference between a triode tube and an N-channel FET is the fact that (a) triodes work with lower signal voltages (b) triodes are more compact (c) triodes need higher power-supply voltages (d) triodes don t need filaments 2 The control grid of a vacuum tube is the electrical counterpart of the (a) source of a MOSFET (b) collector of a bipolar transistor (c) anode of a diode (d) gate of an FET 3 In a tetrode tube, the charge carriers are (a) free electrons, which pass among the electrodes (b) holes, which are conducted within the electrodes (c) holes or electrons, depending on whether the device is P type or N type (d) nuclei of whatever elemental gas happens to exist in the tube 4 Which factor is most significant in limiting the maximum frequency at which a tube can operate (a) The power-supply voltage (b) The capacitance among the electrodes (c) The physical size of the tube (d) The current passing through the filament 5 In a tube with a directly heated cathode, (a) the filament is separate from the cathode (b) the grid is connected to the filament (c) the filament serves as the cathode (d) there is no filament 6 In a tube with a cold cathode, (a) the filament is separate from the cathode (b) the grid is connected to the filament (c) the filament serves as the cathode (d) there is no filament

tell the application "Finder" set windowNames to get the name of every window repeat with windowName in windowNames end repeat end tell

Hopefully this chapter will help prevent you from running into some of the issues this group encountered: http://www.sqlmag.com/Article/ArticleID/99207/Twelve_Angry_Techs.html.

to "Documents" and closes the window identified by windowName if it matches The if statement appears in boldface here:

The difficulty with Kerberos delegation is that people often don t know what they don t know. They re forced to take error messages (the symptoms of the problem) and do some research until they uncover the mystery of their problem. Frequently, this problem is the one referred to as the double-hop issue. Out of the box, the Windows Server platform isn t configured to have users credentials passed from the client machine to a middle business tier, which in turn passes the users credentials on to the back-end data tier. The environment can be set up to operate that way, but it requires effort and understanding before this scenario will be possible. This chapter will step you through the configurations needed to successfully accomplish a double hop (and multi hops) in the most common environments.

7 A screen grid enhances tube operation by (a) increasing the gain, helping the circuit to oscillate more easily (b) decreasing the plate voltage required to produce oscillation (c) minimizing the risk that a tube amplifier will break into oscillation (d) pulling excess electrons from the plate 8 A tube with three grids is called a (a) triode (b) tetrode (c) pentode (d) hexode 9 A tube with four grids is called a (a) triode (b) tetrode (c) pentode (d) hexode 10 An advantage of a grounded-grid RF power amplifier over a grounded-cathode RF power amplifier is the fact that the grounded-grid circuit (a) has excellent sensitivity (b) exhibits high input impedance (c) produces little or no noise in the input (d) is more stable 11 A heptode tube has (a) one plate (b) two plates (c) three plates (d) four plates 12 The electron gun in a CRT is another name for its (a) cathode (b) anode (c) control grid (d) screen grid 13 The electron beam in an electrostatic CRT is bent by (a) magnetic fields produced by current-carrying coils (b) electric fields produced by charged electrodes (c) a variable voltage on the screen grid (d) visible light striking the electrodes

Hugo is cofounder and R&D lead of perFact BV, a Dutch company that strives to improve analysis methods and to develop computer-aided tools that will generate completely functional applications from the analysis deliverable. The chosen platform for this development is SQL Server. In his spare time, Hugo likes to share and enhance his knowledge of SQL Server by frequenting newsgroups and forums, reading and writing books and blogs, and attending and speaking at conferences.

tell the application "Finder" set windowNames to get the name of every window repeat with windowName in windowNames if contents of windowName is "Documents" then close window (windowName) end if end repeat end tell