Quiz 1 ENMCS Basic Comm

Which of these is NOT the importance of communications

• sending information without priorities.
• understand the same information.
• To convey message clearly and unambiguously.
• safe and efficient operation.

What is the communication process in a correct order?

• Sending, decoding, channeling, encoding, receiving and feedback
• Sending, channeling, encoding, decoding, receiving and feedback
• Sending, encoding, channeling, decoding, receiving and feedback
• Sending, compiling, decoding, encoding, receiving and feedback

The abbreviation OSI stand for……

• Operation System Interconnection.
• Open System Interface.
• Open System Interaction.
• Open System Interconnection.

The 7 layers of OSI consists of these layers. The correct order of layers is …

• 4-3-7-2-6-5-1
• 4-7-3-2-6-5-1.
• 4-7-3-2-5-6-1
• 4-3-7-5-2-6-1

This layer role is to transmit bits from one node to another. This layer is…

• Data Link.
• Transport.
• Network.
• Physical.

In programming, the grammatical error is instruction is known as ….. error.

• Syntax.
• Logic.
• Code.
• Boolean.

The assembly language is also known as ….. level language in the programming language hierarchy.

• High
• Intermediate
• Low
• Machine

RS485 and RS232 are the examples of a ________ PLC communication protocol.

• Parallel
• Series
• Series – Parallel
• Universal

All of these are true about importance of communication protocols EXCEPT.

• cover error detection & correction, signaling, and authentication.
• to exchange the data with one and another.
• Implementation can be done in software and hardware.
• explain the semantics & syntax.

These are the advantages of RS485 over RS232 EXCEPT.

• Extended Range
• Versatility
• More Connectable
• No Electric Noise