Programmable Logic Controller) is a device that was invented to replace the necessary sequential relay circuits for machine control. ... They are usually used as temporary storage for math or data manipulation. ... Maybe your program said that if the first input was on then it should turn on the first output. ... Based on the example in step 2 it would now turn on the first output because the first input was on and your program said to turn on the first output when this condition is true. ... The documentation for early PLC Programs was either non existent or very poor, just providing simple...

• Word Count: 1237
• Approx Pages: 5
• Has Bibliography
• Grade Level: High School

Frequently, the phrase "so it goes" is used as a device to discuss the human perception of death. ... This is a literary device installed by the author. ... The Battle of the Bulge occurred in 1944 to early 1945, and was the final primary Nazi attack on the Allies in World War II. ... Vonnegut described the after-math of Dresden as something that would make you want to stay inside forever. ... He used wit, black humor, and literary devices to make us understand how brutal being in war really is. ...

• Word Count: 1071
• Approx Pages: 4
• Has Bibliography
• Grade Level: High School