Suppose we want to download text documents at the rate of 100 pages per…
2017
Suppose we want to download text documents at the rate of 100 pages per second. Assume that a page consists of an average of 24 lines with 80 characters in each line. What is the required bit rate of the channel ?
- A.
192 kbps
- B.
512 kbps
- C.
1.248 Mbps
- D.
1.536 Mbps
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Correct answer: D
Solution:
Calculate characters per page: 24 lines × 80 characters = 1920 characters per page.
Convert to bits per page (assuming 8 bits per character): 1920 × 8 = 15,360 bits per page.
Required bit rate for 100 pages/s: 15,360 bits/page × 100 pages/s = 1,536,000 bits/s = 1.536 Mbps.
Therefore the required channel bit rate is 1.536 Mbps, so the choice stating 1.536 Mbps is correct.