Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to use autocad [title] Decide what project you want to use autocad for. [step] Autocad programs cover a broad range of applications. You can find specialized programs for your area of interest, including software focusing on architectural, mechanical, civil, aeronautical or electrical drawing.

Ending1: [substeps] Take some time to research the different programs available to you for specific project projects. Reviewing data on several projects will narrow the focus on which programs you want to use. Ending2: [title] Search the internet for autocad programs. [step] Many public libraries and business websites are full of autocad programs. Ending3: [title] Ensure that your computer meets the program's system requirements. [step] Autocad requires the following : [substeps] 2 gb ram 2 gb of space for installation screen resolution of 1 , 024 x 768 internet explorer 7.0 or higher [title] Install the autocad program. Ending4: [title] Write an autocad application for your program. [step] Automating software helps your program run efficiently.

Answer format: ending1/ending2/ending3/ending4