Computers are not just stand-alone desktop machines anymore. they are often embedded in common appliances and technology that we use every day. which of the following does not have a computer in it? (points : 1) automobile airplane cell phone dvd

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Robots with telescoping arms are sometimes used to perform tasks (e. g., welding or placing screws) where access may be difficult for other robotic types. during a test run, a robot arm is programmed to extend according to the relationship r = 3 + 0.5cos(4θ) and the arm rotates according to the relationship θ=−π4t2+πt , where r is in feet, θ is in radians, and t is in seconds. use a computer program to plot the path of tip a in x and y coordinates for 0 ≤ t ≤ 4s.

Im doing this last minute and literally none of my neighbors or people that my dad works with use excel so if anyone could me make up an example