Joseph Henry in about 1835. He is American and he made something called a relay.
Answer:
The correct option is;
b. 1G, 2D, 3A, 4B, 5F, 6C, 7E.
Matching the correct options in PART B in alphabetical order;
1. 3A
2. 4B
3. 6C
4. 2D
5. 7E
6. 5F
7. 1G
TRUE
<h3>what is the database?</h3>
- In computing, a database is an organized collection of data stored and accessed electronically. Small databases can be stored on a file system, while large databases are hosted on computer clusters or cloud storage.
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Any electronic system that uses a computer chip, but that is not a general-purpose workstation, desktop or laptop computer. Such systems use microcontrollers (MCUs) or microprocessors (MPUs), or they may use custom-designed chips.