What do you mean by preemptive and nonpreemptive multitasking and multithreading ?

Preemptive multitasking is the operating system that control the processor by not involving in task cooperation and preemptive is the process of controlling the task. On the other hand, preemptive multi threading is the parallel processing system in which the execution of the thread is preemptive.

Non-preemptive multitasking is the process in which the processor are never involves with the task and it is used for many window applications. Whereas, in non preemptive multi threading when a thread are given control then, it continues run until it can control the blocks.

these  signals travel  down a part of the neuron called the axon, which is like a wire that carries the  signal  to othernerve  cells. on average a  nerve  cell sends a  signal  at about 50 meters per second, which is over 100  miles  an hour!

which of the following is not an effect of technology on farming?

the correct answer is: it makes farmers perform more tasks by hand for apex.