Past Papers 11th Class Computer Science Ch-3

Past Papers 11th Class Computer Science Ch 3 Questions

• State two characteristic of Analog signals.
• Define unguided media.
• What is signal?
• Compare broadband and baseband transmission.
• Write some bounded media.
• What is wire pair?
• Define coaxial cable.
• Define ASCII code.
• What is encoder and decoder?
• What is data communication?
• What is Unicode?
• Define communication satellite.
• List out types of data?
• Define the term modem.
• What is an internal modem?
• What is BCD code?
• Define digital signal.
• Why fiber optic is so fast?
• Name some unbounded communication media.
• How does Asynchronous transmission?
• How does FDM work?
• Define bandwidth.
• How external modem is connected?
• What is decoding?
• What is baseband?
• Define modulation.
• List the advantages of fiber optics.
• Describe the core and cladding in optical fiber.
• State the purpose of encoding of data.
• Differentiate between analog and digital signal.
• Define the term broadband.
• Define bandwidth.
• Write shortly on parallel data transmission.
• List two feature of modem.
• Describe Synchronous transmission.
• Define demodulation.
• Define Refraction.
• Differentiate between sender and receiver elements of data communication system?
• What is analog signal?
• What is purpose of communication satellite?
• Hoe does microwave system work.
• What is encoder? What is the function of encoder?
• Define the term EBCDIC data coding scheme.
• What is meant by full duplex mode of data communication?
• Define text and numeric data.
• How data represented in computer?
• Define data communication mode?
• Define bit and byte?
• Enlist encoder schemes?