telecommunications is just one other term. there's also industrial science or automation
The closest line to that would be the first line:
#!/bin/bash
echo "Hello World!"
BTW, the "#!" is referred to as a she-bang. When those are the first characters executed, the (requires an absolute path) program that follows is launched, and the rest of this file is given to it as data. To run this like a program, the execute permissions need to be set ( chmod 0755 script.sh ).
A) operating system
It is going to let you "operate" it using the mouse and keyboard
Answer:
The devices that can be used to perform both functions -input and output- are called Dual Devices. These devices are also called Dual Purpose Devices or Both Input/Output Devices. With the help of a dual-purpose device, we can enter data into computers as well as we can output data from the computer to outside world.
Explanation:
hope it hepl u :-)
Answer:
Your foot brake must be able to stop car within 5.18 m
Explanation:

d is breaking distance.
s is speed in km/h
is coefficient of friction normally 0.8
250 is constant.
Give the speed in mile first convert it to km/h

speed in km= 20 * 1.60934
s =32.186 km/h

d= 5.18m