Answer:
Block Chain is a system of recording information that makes it difficult or impossible to change, hack, or cheat the system.
A blockchain is essentially a digital ledger of transactions that is duplicated and distributed across the entire network of computer systems on the blockchain.
Hope this helps.
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Although a user directory is treated as a file, it is flagged to indicate to the file manager that this file is really a subdirectory whose records are filenames that point to files.
Answer:
Apple, Samsung and Foxconn
Explanation:
They are the leading it companies today
802.11 is a Wi-Fi standard, not a frequency, both of those operate at 2.4 GHz. Bluetooth operates at frequencies between 2402 and 2480 MHz, or 2400 and 2483.5 MHz.
