Answer:
B.lightning striking a tree
Explanation:
The crowd dispersing in all directions is not a closed-loop by any means, and students jogging around an oval track as well is not a closed-loop, and also not a cross country run from one point to another. However, the lightning striking a tree is a closed loop that best models a circuit. And as lightning strikes the tree, like a closed circuit, tree catches the fire, or in circuitry words, the current is generated, and tree catches the fire due to it, just like bulb starts glowing.
EXE files are executable files.
PNG files are picture files like JPEG etc.
Answer:
C.
Explanation:
An operating system is a route between the software system and hardware system in computers. This program helps to perform actions and execute applications. <u>Functionc performed by an operating system includes process management, handling files, controlling devices such as printers</u>.
The step which is not performed by an operating system while printing a document is that it does not create the document that has to be printed.
While printing, an operating system helps other system know if printer is busy with other operations. Other actions performed by an OS while printing document is that it sends the file, document, or data to be printed to the printer, it connects the computer system with printer.
Thus the correct option is C.
