A group of crows is called a âmurder.â There are several different explanations for the origin of this term, mostly based on old folk tales and superstitions. For instance, there is a folktale that crows will gather and decide the capital fate of another crow.
Execution (computing) For other uses, see Execution (disambiguation). Execution in computer and software engineering is the process by which a computer or a virtual machine performs the instructions of a computer program. The instructions in the program trigger sequences of simple actions on the executing machine.
There are basically 2 modes in which a modern OS works. User mode and kernel mode. Whenever the the system boots ,OS transfers control to kernel mode , where kernel runs all the necessary routines and then kernel switches to user mode. User mode allows users to run any programs of their choice .