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The correct answer is MAC (Media Access Control).
<h3>What is MAC?</h3>
The Media Access Control (MAC) protocol is a data link layer protocol that defines the process by which local area network (LAN) devices interface with upper network layer protocols, such as the Internet Protocol (IP).
The MAC protocol is responsible for controlling access to the shared communication medium of the LAN and for providing a reliable link between devices on the LAN. It does this by defining a set of rules and procedures for how devices on the LAN can detect and avoid collisions when transmitting data, as well as for how they can recover from errors that may occur during transmission.
The MAC protocol is typically implemented in hardware, such as in the network interface controller (NIC) of a computer, and is an essential part of the LAN communication process.
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Answer:
Mainframe Computer System
Explanation:
Mainframe systems or simply mainframes are computers used for critical application, bulk processing and transaction processing.
They are larger than the basic computers we find around. They are advantageous as they are able to process large data faster. For this reason, large institutions like banks tend to use them for processing of data because of the thousands of transactions they engage in.
They are capable of handling and processing very large amount of data quickly.
Examples of other large institutions that uses mainframe computers apart from Bank stated in the question are
1. Stock brokerage firms
2. Government agencies
3. Insurance agencies
4. Fortune 500 companies and so on.
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