What Is a Magnetic Storage Device That Stores Individual Data

question 33

Multiple Choice

What is a magnetic storage device that stores individual data on the surface of a rapidly rotating metal disk called?

• A) Hard drive
• B) Disk drive
• C) Flash drive
• D) Modem

Knowing the functionality and applications of various wireless technologies (e.g., RFID, NFC, Wi-Fi).

Recognizing the importance of connectivity and mobile commerce in today's digital environment.

Identifying the impact of mobile and wireless technologies on consumer behavior and business strategies.

Understanding how telemetry and IoT (Internet of Things) devices collect and transmit data.

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Definitions:

Reserve Requirement

The minimum percentage of customer deposits and notes that a bank must hold as reserves rather than lending out, as mandated by the central bank.

Demand Deposits

Bank accounts from which deposited funds can be withdrawn at any time without any notice to the institution, typically through writing checks.

Excess Reserves

The reserves held by banks in excess of what is required by regulations, which can be loaned out to generate additional income.

Required Reserves

The portion of depositors' balances that banks must have on hand as cash or as deposits with the central bank, mandated by the regulatory body.