Answer:
C because whatever a search engine is it will need a search form to do its job, so C (maybe d)
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.
