BriteLab Interview Questions and Answers

Basics of C, RTOS, data structures.

A company created cde for a decision making tree.

Q1. Questions related to communication protocols.
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Q2. Wat is Clock stretching
Ans. 
Clock stretching is a technique used in digital communication to temporarily halt the transmission of data.
• It is used to prevent data loss or corruption when the receiver is not ready to receive data

• The sender holds the clock signal low until the receiver is ready to receive data

• It is commonly used in I2C communication protocol

• Clock stretching can cause timing issues and slow down the communication speed
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Q3. I2c slave device stops or holds the SCL line while processing and replying to messages.
Ans. 
The I2C slave device holds the SCL line while processing and replying to messages.
• This is a common behavior of I2C slave devices.

• The slave device may hold the SCL line low or high depending on the implementation.

• This can cause issues with the I2C bus if not properly managed.

• The master device should wait for the slave device to release the SCL line before continuing communication.
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