AutoCAD is a computer-aided design (CAD) software used to create technical drawings. The document outlines AutoCAD's screen layout with four main areas: drawing area, command area, menu bar area, and tool bar area. It lists basic drawing commands like line, circle, erase, as well as 3D commands like extrude and subtract. Function keys in AutoCAD include F1 for help, F3 for object snaps, and F8 for ortho mode.

1. AUTO CAD
.

2. OUTLINES
• DEFINATION
• SCREEN LAYOUT
• COMMANDS
• FUNCTION KEYS

3. WHAT IS AUTO CAD ?
AutoCAD stands for “Automatically Computer
Aided Design/Drafting”. It is an electronic tool
that enables you to make quick and accurate
drawing with the use of a computer.

4. SCREEN LAYOUT
• The default autoCAD drawing screen can be divided
into four areas.
– Drawing area
– Command area
– Menu bar area
– Tool bar area

5. COMMANDS
• The basic commands and their structure of various
geometric figures are given in details for drawing
AutoCAD 2d drawing.

6. COMMANDS
• Line (L)
• Erase (E)
• Circle (C)
• Undo (U)
• Oops (or) redo (OOPS)
• Arc (A)
• Ellipse(EL)

7. COMMANDS
• Polygon (POL)
• Polyline (PL)
• Zoom (Z)
• Rectangle (REC)
• Mirror (MI)
• Offset (O)
• Trim (TR)

8. COMMANDS
• Commands for using AutoCAD 3d drawing.
• Extrued (EXT)
• Subtract (SU)
• Region (REG)

9. FUNCTION KEYS
• F1 - online help
• F2 - text screen ON-OFF
• F3 - osnap ON-OFF
• F4 - tablet ON-OFF
• F5 - iso plans top,right,left
• F6 - co-ordinates ON-OFF

10. FUNCTION KEYS
• F7 - grid ON-OFF
• F8 - ortho ON-OFF
• F9 - snap ON-OFF
• F10 - polar ON-OFF
• F11 - otrack ON-OFF
• F12 - dynamic input ON-OFF