1. Explain terms upstream connection and downstream connection, what is their significance
  2. Explain two types of USB connectors
    1. Type A
    1. Type B
  3. Explain USB on-the-go feature
    1. Adds peer-to-peer functionality to USB
  4. Explain electrical attributes of USB connection          
    1. Differential transmission part for data
    1. Encoded using NRZI and is bit stuffed to ensure adequate transitions in the data stream
  5. How a differential ‘1’ and ‘0’ are transmitted in Low and full speed devices
    1. ‘1’ by pulling D+ over 2.8V with a 15K ohm resistor pulled to ground; D- under 0.3V with a 1.5K ohm resistor pulled to 3.6V
    1. ‘0’ by pulling D- over 2.8V with a 1.5K ohm resistor pulled to ground; D+ under 0.3V with a 1.5K ohm resistor pulled to 3.6V
  6. Explain significance of J, K; how to identify J & K in LS, HS?
    1. LS: ‘J’ state is a differential 0
    1. HS: ‘J’ state is a differential 1
  7. USB transceivers will have both differential and single ended outputs
    1. SE0, SE1?
  8. How speed identification works in USB?
    1. How pull up resistors at D+, D- used to identify LS, FS devices?

Teacher is an important part of anybody's education.

I completed my post graduation in 2005. During my school and College, I always had difficulty coping up with things in classroom. But my Telugu teacher Mr. Hussain Budde during my 7th class , I used to enjoy his way of teaching, way he used to engage students by teaching lessons as stories. After that, I never found any teacher who kept sessions so much engaging. I don't want to blame my teachers, I always felt they could make sessions more engaging. I always had to spend time outside class hours to cope up with every minute of classroom session.

I as a teacher, I adopt a style of teaching which keeps session engaging and ensures that students give 100% focus on the session. I always wanted to be that one teacher, whom my students will remember for lifetime. I am making sure that, rest of trainer's also follow same.

I want your 6 months of education at VLSIGuru to be among your best learning experiences. We at VLSIGuru will do our best to make this a memorable time.

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