Communication and Computer Network Quiz

What are the basic requirements for the working of a communication system?

• Keyboard, Mouse, Monitor

• Sender, Medium, Receiver

• Transmitter, Cable, Receiver

• Computer, Printer, Scanner

What is data in the context of data communication?

• Processed information

• Raw facts

• Electrical signals

• Optical fibers

What is the function of flow control in data transmission software?

• Regulate data flow between sender and receiver

• Ensure error-free transmission

• Break message into smaller packets

• Find efficient route between source and destination

Which mode of transmission allows communication in both directions at the same time?

• Half-duplex

• Multiplex

• Simplex

• Full-duplex

What is the main advantage of using coaxial cables for data transfer?

• Low data transfer rate

• High noise interference

• Faster data transfer

• Limited distance coverage

What is the purpose of using repeaters in microwave systems?

• Increase data transfer rate

• Amplify weak signals

• Reduce line-of-sight requirement

• Enhance security measures

What is the data transmission rate in microwave communication?

• 9600 bits per second

• 1000 bits per second

• 16 giga bits per second

• 1 tera bit per second

What is the function of a communication satellite in data transmission?

• Reduce data speed

• Increase noise interference

• Block data transfer

• Amplify signals

What is the difference between analog and digital transmission?

• Analog uses optical fibers, digital uses electrical signals

• Analog is faster than digital transmission

• Analog has continuous values, digital has discrete values

• Analog has discrete values, digital has continuous values

What is the process of converting a digital signal to analog form called?

• Transmission

• Demodulation

• Modulation

• Encoding