If the shape you draw looks like a standard shape (arc, square, rectangle, circle, oval, star) it will be replaced by the standard shape. A palette will also be displayed, showing the original and the standard shape. Use the palette to pick which of the two shapes you wish to use. MacOS, formerly Mac OS X from 2001 to 2012 and OS X until 2016, is the name of an operating system for computers made by Apple Inc. These are called Macintosh computers, or Macs. It differs from other computers, as macOS is supposed to run only on Macs and not on other computers. However, people have made the OS run on computers that are not Macs. The least expensive Mac you can buy is the $500 Mac Mini, but you can get super-basic Windows PCs for under $300 that will work just fine for basic tasks, such as running a web browser.

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Computer EngineeringMCAOperating System

The Mac OS is a graphical operating system developed by Apple Inc. The tenth version of the Mac OS is the Mac OS X which was launched in 2001.

The structure of the Mac OS X includes multiple layers. The base layer is Darwin which is the Unix core of the system. Next layer is the graphics system which contains Quartz, OpenGL and QuickTime. Then is the application layer which has four components, namely Classic, Carbon, Cocoa and Java. The top layer is Aqua, which is the user interface.

A diagram that demonstrates the structure of Mac OS X is as follows −

Components of the Mac OS X Structure

Details about the different components of the Mac OS X structure as seen in the image above are as follows −

Core OS

The Darwin Core is based on the BSD (Berkeley Software Distribution) version of Unix. Mach is the main part of the Darwin core and it performs operations such as memory use, data flow from and to CPU etc. Darwin is also open source i.e. anyone can obtain its source code and make modifications to it. Different versions of Darwin can be used to enhance the Mac OS X.

Some of the major features of the Darwin core are protected memory, automatic memory management, preemptive multitasking, advanced virtual memory etc. It also provides I/O services for Mac OS X and supports plug-and-play, hot-swapping and power management.

Graphics Subsystem

The

The graphics subsystem in the Mac OS X contains three parts i.e. Quartz, OpenGL and QuickTime. The 2-D graphics in the graphics subsystem is managed by Quartz. It provides fonts, interface graphics, rendering of the images etc. OpenGL provides support for 3-D graphics in the system such as texture mapping, transparency, antialiasing, atmospheric effects, special effects etc.

It is also used in Unix and Windows systems. QuickTime is used for different digital media such as digital video, audio and video streaming etc. It also enables creative applications such as iMovie, iTunes etc.

Application Subsystem

The application subsystem in Mac OS X provides the classic environment to run classic applications. Carbon, Cocoa and Java are the three application development environments available.

The Shape Mac Os 11

The classic environment makes sure that applications written for the previous versions of the operating system can run smoothly. The carbon environment is used to port existing applications to carbon application program interfaces. This is called carbonising the application. The cocoa environment provides object-oriented application development environment. The cocoa applications use the benefits of the Mac OS X Structure the most. The Java applications and Java applets can be run using the Java environment.

User Interface

Aqua is the user interface of Mac OS X. It provides good visual features as well as the tools to customize the user interface as per the user requirements. Aqua contains extensive use of colour and texture as well as extremely detailed icons. It is both pleasant to view and efficient to use.

The Shape Mac Os 11

Shapes let you do so much in PowerPoint. Once you master them, you can place circles of various sizes one on top of the other to createsomething that looks like a target. Similarly you can create seemingly complicated arrangements of shapes quite easily to create somethingthat illustrates a concept or idea so much better than just bulleted text. To create any such graphic content, you need to start by insertingcommon shapes. PowerPoint 2011 makes it easy to do so. To insert a shape on your PowerPoint slide follow these steps:

The Shape Mac Os X

  1. Within PowerPoint 2011 for Mac, open the presentation(or create a new one), and select the slide where you want to insert a Shape. You can change theslide layout to Blankor Title only (see Figure 1).

  2. Figure 1: Slide with Blank layout
  3. Access the Home tab of theRibbon, locate the Insert group and within thisgroup, click the Shape button to bring up the Shape gallery, as shown in the Figure 2.

  4. Figure 2: Shape gallery
  5. In this gallery, PowerPoint provides options to choose several sub galleries ofShape types such as Lines and connectors, Rectangles, BasicShapes, Block Arrows, Stars and Banners, Callouts, etc. If you want to see all shapes placed within one gallery, select theShape Browser option (the last option in the Shape gallery). This will open theShapes tab of the Media Browser with all shapestogether in one gallery (see Figure 3 below).

  6. Figure 3: Shapes tab within Media Browser
  7. Based on your requirement, choose any Shape by clicking on it. As you can see in Figure 4 below, we have choosenthe Rectangle shape.

  8. Figure 4: Rectangle Shape selected
  9. Thereafter, use any of the following three options to place the Shape on your slide:
  10. i. Click anywhere on the slide to insert the Shape in a predefined size (typically 1 inch x 1 inch),as shown in Figure 5.

  11. Figure 5: Shape inserted by clicking on the slide
  12. ii. Click and drag on the slide to create an instance of the Shape in the size you desire(see Figure 6 below).

  13. Figure 6: Shape inserted by dragging on the slide
  14. Tip: Hold the Shift key while dragging to constrain the height and width proportions.Hold the Alt (Option) key to draw a Shape from the center.You can also draw while holding both the Alt (Option) and Shift keys.
  15. iii. Drag the shape from Shape Browser to the slide (refer to Figure 7 below).

  16. Figure 7: Shape inserted by dragging from the Shape Browser
  17. Save the presentation.