Comcast India Engineering Center Engineer Interview Questions and Answers

Q1. Tell me about clock gating
Ans. 
Clock gating is a power-saving technique used in digital design to disable the clock signal to certain parts of a circuit when they are not in use.
• Clock gating helps reduce power consumption by stopping the clock signal to unused parts of the circuit.

• It is achieved by inserting logic gates in the clock signal path to control when the clock is allowed to reach certain elements.

• Clock gating can be implemented at differen...read more
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Traverse through a matrix of uppercase english alphabets to find a given word. you are allowed to make up to k jumps, and same position can be repeated too.

Q1. Compression of 0-1 matrix of particular size.
Ans. 
Compression of 0-1 matrix involves reducing the size of the matrix by storing only the necessary information.
• Use run-length encoding to compress the matrix by storing consecutive repeated values as a single value and count.

• Identify patterns in the matrix that can be represented more efficiently.

• Consider using sparse matrix representation if the matrix has a lot of zeros.

• Implement efficient algorithms to compress and de...read more
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