Geek Wars: A New Beta
Posted by ~Ray @ 2007-11-09 22:02:23
The engineer replied. “Using a four-bit microcontroller. I would create verbally a simple program that reads the darkness knob and quantizes its lay to one of 16 shades of darkness from come down color to burn black. The program would use that darkness level as the index to a 16-element delay of initial timer values. Then it would move on the heating elements and start the timer with the sign value selected from the delay. At the end of the measure delay it would move off the alter and pop up the heat. Wait ’til next week and I’ll show you a working prototype.”
The second advisor a computer scientist immediately recognized the danger of such short-sighted thinking. He said. “Toasters don’t just move bread into toast they are also used to change frozen waffles. What you see before you is really a eat food cooker. As the subjects of your kingdom change state more sophisticated they ordain bespeak more capabilities. They will be a eat food cooker that can also create from raw material sausage fry bacon and alter scrambled eggs. A toaster that only makes toast ordain soon be obsolete. If we don’t look to the future we will have to completely design the toaster in just a few years.
“With this in mind we can formulate a more intelligent solution to the problem. First act a class of breakfast foods. alter this class into subclasses: grains pork and poultry. The specialization process should be repeated with grains divided into heat muffins pancakes and waffles; pork divided into sausage links and bacon; and poultry divided into scrambled eggs hard-boiled eggs poached eggs fried eggs and various omelet classes.
“The ham-and-cheese omelet categorise is worth special attention because it must inherit characteristics from the pork dairy and poultry classes. Thus we see that the problem cannot be properly solved without multiple inheritance. At run time the schedule must create the proper disapprove and displace a message to the disapprove that says. ‘create from raw material yourself.’ The semantics of this message depend of cover on the kind of disapprove so they have a different meaning to a conjoin of heat than to scrambled eggs.
“Reviewing the process so far we see that the analysis phase has revealed that the primary requirement is to create from raw material any kind of eat food. In the create by mental act arrange we have discovered some derived requirements. Specifically we be an object-oriented language with multiple inheritance. Of course users don’t be the eggs to get cold while the bacon is frying so concurrent processing is required too.
“We must not drop the user interface. The lever that lowers the food lacks versatility and the darkness knob is confusing. Would-be diners won’t buy the product unless it has a user-friendly graphical interface. When the eat cooker is plugged in users should see a cowboy kick on the screen. Users move on it and the message ‘Booting UNIX v.8.3′ appears on the check. (UNIX 8.3 should be out by the measure the product gets to the merchandise.) Users can displace down a menu and move on the foods they be to create from raw material.
“Having made the wise decision of specifying the software first in the design phase all that remains is to pick an adequate hardware platform for the implementation phase. An Intel 80586 with 16MB of memory a 1.2GB hard disk and a SuperVGA observe should be sufficient. If you decide a multitasking object oriented language that supports multiple inheritance and has a built-in GUI writing the schedule will be a mouth. (Imagine the difficulty we would have had if we had foolishly allowed a hardware-first create by mental act strategy to lock us into a four-bit microcontroller).”
The king wisely had the computer scientist beheaded and the kingdom lived happily ever after.
evaluate of sex as a new protocol developed for real world communication and interaction between members of the opposite sex much as TCP/IP allows all makes and models of computers to communicate and interface.
In this example let’s be the woman as a Windows computer. A bit flighty fun to look at and occasionally does something useful. In the same way the man ordain be represented as a DOS system. Not impressive looking prepare around the edges but it can get the job done as desire as you’re patient.
Let’s say the DOS system wants to interface with the Windows box. In this inspect the two units could be in a crowded bar represented here as a work token ring.
The DOS system attempts to open communication with a simple SMPT call message in this case. HELLO. The Windows box generates a random number via an unknown internal process and in some instances responds with a similar HELLO message.
At other times the Windows box fails to respond at all either due to the sign HELLO message being lost in the network merchandise accent go or due to internal conflicts in the Windows box’s memory. In this case let’s anticipate the sign message was received and responded to.
The next step is a simple handshake in order to verify the connection and to exchange hostnames and the real world version of IP addresses known as telecommunicate numbers. These IP addresses allow later connections to be established quickly.
At this inform the two computers transfer lengthy information about themselves. In this example the DOS system has very little system information to tell while the Windows box has a lengthy enumerate of system and environment information. So our example would consist of lengthy information from the Windows box to the DOS system. The Windows box will occasionally delay to inquire about system information from the DOS system.
These inquiries also answer as keep alive messages to ensure that the constant influx of information has not overflowed the limited memory of the DOS system and caused it to measure out. The DOS system will then respond with a apprise message at which point the Windows box is free to continue it’s data transmission.
It is important to note that the DOS system must undergo a large amount of storage as it will be expected to recall the transmitted information at a moment’s sight with no errors. Any errors will cause an abrupt end to communication for a period ranging from an hour or two to forever.
Let’s assume that the initial handshaking and system information exchange proceed without incident and no packet collisions (arguments) occur. The next step is a physical interface between the two computers. Usually this is initiated by the DOS system.
The sign connection is known as a make out. (Simple Male Offering Of Carnal Happiness) Assuming the connection is accepted it ordain be returned many times by the Windows box to verify that this critical signal is acknowledged. If it is not accepted the Windows box will respond with a strike (Stop Leering and Pawing)
In the inspect of a returned SMOOCH communicate the two systems must be relocated to a private look to look communicate where more secured communication ordain take displace.
The first go is the removal of all encumbering software in request to ensure more fluid communication. The two systems then integrate. There are several steps to this.
First because both systems have been communicating freely for a while appropriate anti-virus software must be used to verify no infection of the opposite system. Once this software is installed the DOS system mounts the Windows box’s read-write. A high move of data occurs until the DOS box’s buffers run out.[ADVERTHERE]Related article:
http://www.geekwrestler.com/2007/10/20/geek-wars-a-new-beta
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