Assume a cache has 16 entries. How many index bits are needed to address the cache? a. 2 b. 4 c. 5 d. 16
QUESTION 22
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Assume a cache has 16 entries. How many index bits are needed to address the cache?
a. 2
b. 4
c. 5
d. 16
QUESTION 23
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Which of the following statements about cache write policy is NOT true?
a. A dirty bit is used to implement a write back approach.
b. A cache entry with dirty bit = 1 means the data inside is safe to be replaced.
c. A write back approach is not suitable for multiple processors accessing the same memory.
d. A write back approach is typically faster than a write through approach.
QUESTION 25
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Which of the following statements is true of normalized scientific notation?
a. 3.06 x 10^3 is in decimal normalized scientific notation
b. 0.30 x 10^3 is in decimal normalized scientific notation
c. 0.11 x 10^5 is in binary normalized scientific notation
d. 10.01 x 10^5 is in binary normalized scientific notation
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