Want this question answered?
Apps are nothing but an application, it is a program that allows you to perform specific tasks. Apps for desktop called desktop applications and those for mobile devices are called mobile applications...
dock and toolbar
iPhone apps work on iOS devices (iPhone, iPad or iPod Touch) they will not work on a Mac running Mac OS X 10.7 (Lion) or any other Mac OS X version
I'm not sure if you mean the foundation of Mac OS X itself, or of the desktop. The desktop is a part of Mac OS X's Finder application which is written by Apple from scratch in Objective-C using the Cocoa framework. Mac OS X itself's core is Darwin, a UNIX operating system based on the open source FreeBSD.
There are apps that will only work with Mac OS X which can be on any Mac computer - iMac, MacBook, Mac Mini etc.
There are no viruses affecting Mac OS X.
Spotlight
Apple's Mac computers can run Mac OS X and Windows (and Linux if required) but the licensing agreement for Mac OS X prevents it being legally installed on computers that are not made by Apple.
Yes, Swype (and Swiftkey) are a couple of 3rd party keyboard apps available to iOS. They previously were available to Android devices. As they are mobile apps, they are not available for Mac OS.
It depends what you mean by 'introduced'. Mac OS X Server 1.0 was released in 1999 but I imagine you are referring to the first desktop OS to use this technology; the first public beta was released 2000 but the first full desktop release was in 2001.
Palm Desktop is a personal information manager computer program for Microsoft Windows or Mac OS X and can be used alone or in combination with a Palm OS personal digital assistant. Palm Desktop can be purchased on CNET, Hot Sync 410, and Palm Desktop.
Go to system preferences. Open the Classic system preference, and you should see the option to start up in classic mode.