Answer:
Without it information flow is impossible
Explanation:
The word 'pivotal' also means crucial or vital, and so we need to consider what an operating system actually does.
Remember, merely having all the hardware of a computer would not allow you to run (install and use) programs. It is by means of an operating system that teaching programs can be installed, and it is also by means of an operating system learning can take place.
For example, a student can decode (learn) instructions/lessons from his teacher via a software program; and the software program needs an operating system to open (run) the program.
Answer: keeps confidential documents secure,
displays a GUI, allocates the computer's resources, and retrieves files
Explanation:
The operating system can be defined as the software installed in the system that provides the information and services to the users by controlling the hardware, software resources, and regulates the computer programs. It runs the applications and programs in the system, displays the graphic user interface for the services, stores, manipulates, and retrieves files. It prevents the unauthorized access to the data and programs by using passwords thus provides the security to the system and documents.
Another name for a blue screen error is Blue screen of death
Answer:
Network Interface Card (NIC)
Explanation:
Also called Ethernet Card, the Network Interface Card (NIC) allows a computer or any device to make wired or wireless connections with other devices in a network. This connection made possible by the NIC allows the device to send and receive messages in the network.
An application of this is seen in Internet of Things(IoT) where devices communicate with one another. This is actually possible because all of the devices one way or the other have a network interface card.
Answer:
Tunneling
Explanation:
A networking protocol that is used to send data from one network to another network by encapsulation process.
It is the more secured method as it secures the data with the help of encapsulation process. Rest of the protocols are not helpful in security of data.