Gce Model Questions Vol1 2021 Computer Studies Question 12

Practice objective / multiple choice question 12 from the 2021 Gce Model Questions Vol1 Computer Studies examination.

Gce Model Questions Vol1 2021 Computer Studies Objective / Multiple Choice Medium Difficulty
Question 12 GCE_MODEL_QUESTIONS_VOL1 • 2021 • COMPUTER_STUDIES • objective

A 1024‑bit data block is transmitted with a 16‑bit CRC generated by the polynomial \(G(x)=x^{16}+x^{12}+x^{5}+1\). Each bit is flipped independently with probability \(10^{-4}\). Approximate the probability that a block containing at least one error passes the CRC check (i.e., the error is undetected).

Answer Options

A. 7.8 \times 10^{-7} (approximately)
B. 1.0 \times 10^{-6} (approximately)
Correct Answer C. 1.5 \times 10^{-6} (approximately)
D. 2.3 \times 10^{-5} (approximately)
Correct Answer
C
Correct Option:
1.5 \times 10^{-6} (approximately)

About This Question

This is Gce Model Questions Vol1 2021 Computer Studies Question 12. It is one of the objective questions from the 2021 Gce Model Questions Vol1 Computer Studies examination.

Difficulty level: Medium .

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