Let's let Ig(x) mean the log base 2 of x. We said that the number of checkbits c for d data bits is approximately Ig(d). For the first few values of c, figure out how many data bits there could be and what the total number of bits b = d+ c is. Look for patterns involving powers of 2 or Ig(x). Based on this, what can you conclude?

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Question 8
Let's let Ig(x) mean the log base 2 of x. We said that the number of checkbits c for d
data bits is approximately Ig(d). For the first few values of c, figure out how many
data bits there could be and what the total number of bits b = d+ c is. Look for
patterns involving powers of 2 or Ig(x).
Based on this, what can you conclude?
For d> 4, c = ceiling(lg(d)
For d> 4, c = Ig(d)
d = b - c = b - Ig(b+1)
None of the above.
Transcribed Image Text:Question 8 Let's let Ig(x) mean the log base 2 of x. We said that the number of checkbits c for d data bits is approximately Ig(d). For the first few values of c, figure out how many data bits there could be and what the total number of bits b = d+ c is. Look for patterns involving powers of 2 or Ig(x). Based on this, what can you conclude? For d> 4, c = ceiling(lg(d) For d> 4, c = Ig(d) d = b - c = b - Ig(b+1) None of the above.
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