AutoCAD Crack+ Free Download (April-2022) The version released in December 1982 was compatible with most popular 20-bit graphics terminals and compatible with the software architecture of these terminals, which included a random-access memory, a video display, a keyboard, and cursor and mouse controllers. The first version of AutoCAD, Release 1.1, had 512 KB of memory, and its graphic capabilities included a 400 × 200 character resolution screen. AutoCAD was originally distributed as a boxed package with the software and a single mouse, but later revisions were distributed with the optional keyboard. Through the years, successive releases of AutoCAD featured incremental improvements to both the graphic capabilities of the software and the relative ease of using the software by beginners. AutoCAD and Drawing Commands: The graphic capabilities of AutoCAD are controlled by drawing commands, which include such functions as line drawing, polyline drawing, arc drawing, 3D modeling, surface modeling, shapes, dimensioning, and so on. A drawing command is triggered by a user action (such as clicking on the drawing command object), and a drawing command is "activated" by placing it into a drawing region. The drawing command can then be invoked by entering a command in the Drawing Menu bar. The Drawing Menu bar can be brought up in a number of ways, including by using either the Home or Full AutoCAD screen layouts, by selecting a drawing region, or by pressing the F2 key. A command in the Drawing Menu bar can be invoked by pressing the appropriate key combination. For example, the selection tool can be invoked by pressing the ctrl-shift-mouse-click-mouse wheel button (or F3 key) combination. In practice, the F2 key, HOME, and PAGEUP keys are most commonly used to activate drawing commands. When an option is available to activate a drawing command, the text of the drawing command is displayed within the main application window (usually called the "Canvas"). For example, the line tool is selected by pressing the ctrl-L-L combination. This action invokes a new drawing command (called Line), which consists of a text string in the Canvas that instructs the software to select the line tool and draw a line. The line drawing command can be invoked in a number of ways. Command Code/Action. Item Description 8001/Line Draws a Line 10/Dynamically Selects the active drawing command. 8020/Line Draws a Line. The Draw command AutoCAD Crack + Keygen CAD's model database is a tree-based storage system designed for representing technical data including drawings, parts, assemblies, and BOMs. Cracked AutoCAD With Keygen's part symbol, "", and assembly symbol, "" display the component name in a component's local context. If a component is part of an assembly, the component's name is replaced by the name of the assembly. When a component is used as an enclosure, the name of the enclosure is replaced by the name of the component. AutoCAD 2009 introduced a simplified graphical interface for creating drawings and importing drawings from other software. Viewports AutoCAD supports multiple viewing windows which allow the user to view different areas of a drawing simultaneously. There are four main viewing modes: Design, Drawing, Project, and Views. There are also several views such as wireframe, shading, and orthographic. The drawing is viewed either in 2D or 3D perspective. Drawing commands In AutoCAD, a drawing is composed of blocks. There are several types of blocks: Generic block. A block that has no particular use. Drawing block. A block that is used to define the overall drawing. For example, a drafting table is a drawing block. Named block. A block that is named and can be selected from a menu to be activated. An example of a named block is the text box, which allows the user to enter text. Feature block. A block that is used to insert features on the drawing. For example, a feature is a drawing block that can be inserted to represent an arch, door frame, or a window. Shape block. A block that represents an entity (such as a circle, polygon, etc.) that can be used in the drawing. Line block. A block that is used to draw a line in the drawing. There are two kinds of line blocks: annotation line and clip line. Arc block. A block that is used to define an arc in the drawing. There are two kinds of arc blocks: single-point arc and path arc. Text block. 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