Sample Questions for In-Class Quizzes

All quiz questions will be based on the materials listed under the schedule for the the period since the last quiz. The text and other resources will be helpful to understand the required materials.

Sample short problems

You may consult notes, printouts of the course slides, textbooks, and use a calculator to help you answer these problems. Here are some sample problems based on the presentation on Data Transmission.

1. You've measured a received signal's properties. The received signal varies from -10V to +10V. The noise has an average value of 0.2V. What is the power SNR in dB?
2. Refer to the Audio Data Slide. What is the ratio of the highest power level in a music signal to the lowest power level in a music signal? Give your answer in linear form and dB.
3. You are designing a new analog TV standard (based on NTSC) for a double-wide TV screen (525 lines by 900 pixels). What bandwidth is required to transmit this signal?

Sample quick-answer questions

You must answer these questions from memory. You may not consult notes, textbooks, or other resources. Here are some sample questions based on the presentation on Data Transmission.

1. Describe the difference between data and signals.
2. What type of data, signal, and transmission method is used for sending an email message using a dial-up telephone modem?
3. What does the term interlacing mean with respect to NTSC television?
4. Why is it not possible to send a square wave over a limited-bandwidth transmission system?

Kevin Bolding                         April 04, 2003