screen protector: A thin sheet of plastic that you place across your monitor that can help prevent scratches and, as a bonus, keep your screen clean, as well.

screen resolution: Controls how sharp and detailed a picture your screen displays.

screen savers: Animations that appear after your computer has remained inactive for a time.

ScreenTip: A pop-up box that tells the button’s name and/or purpose. It appears when you hover the mouse pointer over a button.

scroll: To roll the a wheel in the center of the mouse up or down to navigate through a document or Web site on your screen. Just roll the wheel down to move through pages going forward or scroll up to move backward in your document.

scroll box: The blank rectangle you drag in the scroll bar. Its size indicates how much content you can’t see at the moment.

selected: Text that is highlighted is selected, meaning that any action you perform, such as pressing the Delete key on your keyboard or clicking a button for Bold formatting, is performed on the selected text.

selection handle: A circle or square on the border of the box. Each box has eight selection handles: one in each corner, and one on each side. (The green circle handle at the top of the selected box rotates it when dragged.)

Skype: A popular program, program is available on the Internet, that enables you to make online phone calls using your computer.

slide: An individual page of the presentation. The term page isn’t a perfect descriptor, though, because PowerPoint slides are designed to be displayed on a computer screen or with a projector rather than printed.

slide layout: A combination of one or more content placeholders slots (ports) where you plug in various peripherals

software: Installed on your computer hard drive, which resides in the computer casing (either in your laptop or, for a desktop computer, in the computer tower). Software is what makes the hardware work or lets you get things done, such as writing documents with Microsoft Word or playing a Solitaire game.

speech recognition: A technology that enables you to speak commands.

spyware: Malicious software programs.

status bar: Appears along the bottom edge of the window and displays information about the window or its contents.

Sticky Notes: An accessory that puts yellow notes directly on your computer’s desktop.

style: Applies to an individual paragraph, or a block of selected text.

subfolder: A folder you place within another folder.

syntax: The sequence of arguments for each function;

System configuration: This foundational memory, part of which is stored on the system’s hard drive, tells the computer about its world —what disk drives are attached, what other kinds of memory it has, and other details involving all the hardware that makes up the machine.

System Restore: System Restore, featured in all current version of Windows, is a computer version of a time warp, allowing you to go back from the future to a specific restore.