It's an example of a poorly written email, it looks like somebody is angry and yelling at you, these types of emails can be described as a poor etiquette.
Answer:
B. Card reader.
Explanation:
Peripheral devices are generally auxiliary devices such as mouse, keyboard, card reader, pen drives, microphones, graphics cards, etc. that are connected with the computer are work in some way with it. In Point of sale (POS) devices card reader are used to read debit or credit cards.
Answer:
1. Formula is A2 : A9 = COUNT( A2: A9 ) = 8
2. Formula is SUM( A2: A9 ) = 36
3. Formula is B2 : B9 = COUNT( B2: B9) = 8
4. Formula is MAX( C2: C9) = 5
5. Formula is MIN( C4: C8) = 3
6. Formula is SUM( C5 - C6) = 0
7. Formula is AVERAGE( C2: C9) = 4
Explanation: Have a nice day!✌️
It uses 2 amps since watts is volts times amps
D. Data redundancy. This means the data is located in multiple places when it isn't necessary to do so.