by Dwayne Phillips<\/p>\n
One of the differences between hardware and software is that hardware requires some design before building begins. Software, however, can begin at any moment without design.<\/p>\n
I was a bit surprised the other day at work, but people were debating the differences between building hardware and “building” software. (I guess that is a topic for another day, i.e., do we “build” software? “Write” software? What is the correct verb?)<\/p>\n
There are many differences; the difference I recognized that day was:<\/p>\n
Design<\/p><\/blockquote>\n
I contend that I have to design hardware before I can build it. I contend that I\u00a0 can write software without any design.<\/p>\n
Consider hardware. I cannot build hardware without parts. Depending on the job, the parts may be as small as resistors, capacitors, solder, and so on. The parts may be as large as A\/D converter, USB interface, power supply and so on. Parts don’t appear magically. I have to buy or borrow or whatever to possess the parts. I can’t buy or borrow or whatever without having a list of parts. I don’t have a list of parts without some design.<\/p>\n
Consider software. I don’t need any parts. I can start writing software at any moment. Yes, I must have a computer and a piece of software like a compiler or interpreter or the like. Those needs, however, don’t differentiate me from the hardware case as I need a computer and some design software for hardware as well.<\/p>\n","protected":false},"excerpt":{"rendered":"
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