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Computers & Software

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Breaking Into the Basics of Network Security

Network security can be as simple as adhering to a set of rules; technology alone can't thwart hack attacks and other security breaches. The following sections include details of just some of these rules [more…]

Examining Investment Value with Excel 2007's PV and FV Functions

The most common financial functions in Excel 2007 — PV (Present Value) and FV (Future Value) — use the same arguments. The key to using these financial functions is to understand the terminology used by [more…]

Adding a Text Box in Word 2007

A text box is a special type of shape designed to place text in your Word 2007 document without regard to the normal page margins. The most common use of text boxes is to add bits of text to drawings. [more…]

Using Drag and Drop in Excel 2007

Drag and drop is a mouse technique that you can use in Office Excel 2007 to pick up a cell selection and drop it into a new place on the worksheet. Although drag and drop is primarily a technique for moving [more…]

How to Protect Your Word 2007 Document

In Word 2007, you can protect your documents from being modified, or changed, by others. The easiest way to protect your document is to use the Protect Document command button. [more…]

Working in Excel 2007’s Page Layout View

Excel 2007’s new Page Layout gives you an instant view of how the printed Excel page will look. You activate this view by clicking the Page Layout View button [more…]

Write Equations in PowerPoint 2007

Use the Equation Editor to place mathematical equations and expressions on PowerPoint slides. The equations you draw become embedded PowerPoint objects so you can edit them without leaving PowerPoint, [more…]

How to Connect Your Modem

Depending on what kind of modem you have, you connect it to your PC differently. An internal dialup modem needs only a connection to your phone line. If you have an external modem, you have to connect [more…]

Change the Layout of Master Slides in PowerPoint 2007

Changing the layout of a PowerPoint master slide entails changing the position and size of text frames and content frames on your PowerPoint slides, as well as removing these frames. PowerPoint content [more…]

Referring to Values or Formulas in Other Cells in Excel 2007 Formulas

Linking formulas are formulas in Excel 2007 that reference a location in the same worksheet, same workbook, or even a different workbook. When you create a linking formula, it brings forward the constant [more…]

Building Protocol State Machines in UML 2

When you want to show the sequence of events an object reacts to — and the resulting behavior — you use the UML notation that creates behavioral state diagrams [more…]

Page Setup Dialog Box Tabs in Word 2007

Use the Page Setup Dialog box to change the margins in a document, to change the paper size, and to change the layout of the document. After calling up the Page Setup Dialog box, you see three tabs: Margins [more…]

Adding a Watermark in Word 2007

Watermarks in Word 2007 documents can be attractive, but they aren’t just about looks: A watermark can be a way of letting the reader know that the document is confidential. Watermarks are most useful [more…]

How to Add the Stocks Gadget to the Windows Vista Sidebar

You can add the Stocks gadget to your Sidebar in Windows Vista to access the latest stock quotes at a glance. No longer do you have to check out separate Web sites for your stock info; instead, up-to-date [more…]

What Is Jakarta Struts?

Jakarta Struts is incredibly useful in helping you create excellent Web applications. When you use Jakarta Struts, your applications should work more effectively and have fewer bugs. Just as important [more…]

Knowing Just Enough about Relational Databases

Building a system in Oracle or some other relational database product does not automatically make it a relational database. Similarly, you can design a perfectly good relational database and implement [more…]

Customizing the Excel 2007 Quick Access Toolbar

The Quick Access toolbar in Microsoft Office Excel 2007 appears above the Ribbon, to the right of the Office button, and includes buttons for commands you use often. By default, the Quick Access toolbar [more…]

Building SQL Queries

SQL is almost English; it's made up largely of English words, put together into strings of words that sound similar to English sentences. In general (fortunately), you don't need to understand any arcane [more…]

Indenting Cell Data in Excel 2007

In Excel 2007, use the Increase Indent and Decrease Indent buttons in the Alignment group on the Home tab to change the indentation of cell contents. This feature is commonly used to enhance the appearance [more…]

How to Run a Diagnostics Program on Your Laptop

Many laptop manufacturers provide diagnostics programs as part of the basic software that comes with the laptop. This helps both the user and the company because it pinpoints problems with the hope that [more…]

How to Use the Numeric Keypad on Your Laptop

The first thing the laptop designers decided to sacrifice on their keyboards was the numeric keypad. Rather than just saw off that end of the keyboard, laptops since the Model 100 have used a combination [more…]

Use System Restore

If your computer starts consistently misbehaving, you can use System Restore to return your PC to a point where it was working properly. System Restore works like this: Every day or so, Windows takes a [more…]

Create a Folder in Windows Vista

You can create as many folders in Windows Vista as you want. Create new folders in Windows Vista to organize your files, or you can also create a folder just to keep certain files separate from others. [more…]

Defining Arcs in AutoCAD 2008

AutoCAD 2008 offers you an easy way to define arcs: Just specify three points on-screen. These points tell AutoCAD where to start the arc, how much to curve it, and where to end it. The trouble is that [more…]

How to Adjust Your PC Monitor’s Display

If you have the time, you can spend the better part of a day adjusting various features of your computer monitor’s display. How you adjust your monitor’s display depends on the type of monitor you have [more…]

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