Answer: PLC uses:
1. Decimal Number system
2. Binary Number system.
3. Octal Number system.
4. Hexadecimal Number system.
5. Binary Coded Decimal Number system.
6. Negative Number system.
7. Number Conversations.
Explanation: The other numbers the Programmable Logic Controller(PLC) uses aside the decimal number system are:
1. Binary Number system.
2. Octal Number system.
3. Hexadecimal Number system.
4. Binary Coded Decimal Number system.
5. Negative Number system.
6. Number Conversations.
Answer: Denormalize is the mechanism is carried out by addition of the redundant bits in the already normalized database.The data is attached in the form of attributes,adding new tables.
This technique is used in the case of previously normalized data collection which requires improvement in the performance by reducing the errors.The improvement is made by making database readable ,adding group of data in redundant form etc.
When data is to be retrieved quickly then also denormalization is used as by grouping or collecting information into a single table.
1 meters is = 100 centimeters
D) one lead in front of the current resistor, one behind it:
Explanation: