Question

The ______ the error correcting capability used, the _____ will be the erasure correcting capability.

(a) Larger, smaller

(b) Smaller, larger

(c) Smaller, smaller

(d) Larger, larger

This question was addressed to me during an interview for a job.

My doubt stems from Concatenated and Interleaving Codes and its Application in CD topic in section Channel Coding of Digital Communications

Answer 1

Correct answer is (a) Larger, smaller

Easy explanation: There is a trade off between error correction and erasure correction, the larger the error correcting capability used the smaller will be the erasure correcting capability.