Synchronous programming language. A synchronous programming language is a computer programming language optimized for programming reactive systems. Computer systems can be sorted in three main classes: transformational systems that take some inputs, process them, deliver their outputs, and terminate their execution; a typical example is a compiler; interactive systems that interact continuously with their environment, at their own speed; a typical example is the web; and reactive systems that interact continuously with their env
Open Disk Utility (Applications > Utilities). Select the DVD disc from the list on the left. You will notice that there are two DVD icons--select the one slightly indented (this is the DVD itself, whereas the first one is the drive). Click on New Image in the Disk Utility main window. Choose a name and a destination from the Save As... window. Keep in mind that your destination should have enough space to copy the entire DVD, which can be over four gigs.
As its name implies, Disk Utility is a Mac OS X Utility that helps Mac users work with disks. The types of disks that Disk Utility can manage include hard disks, disk images, DVDs, and CDs.he version and features of Disk Utility depend on the version of Mac OS X. The following image demonstrates Disk Utility in Mac OS X Snow Leopard. Note that some items are grayed out because they are not applicable to the disk. I have highlighted in the left pane of the Disk Utility Window.