Which statement about hashing is false?
a. Hashing facilitates high-speed storing and retrieval of data.
b. Two different data items can hash to the same cell; this is called a collision.
c. A load factor of 0.5 usually results in good hashing performance, but less efficient utilization of memory.
d. A load factor of 1.0 usually results in good hashing performance, but less efficient utilization of memory.
d. A load factor of 1.0 usually results in good hashing performance, but less efficient utilization of memory.
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How many numbers can be stored in the array declared below?
``` double arr[10][5][6]; ``` a. 21 b. 90 c. 180 d. 300 e. none of the above
Before selecting a web host provider, it is a good idea to
a. Try to contact their technical support b. Make sure they are the cheapest possible c. Carefully read their service level agreement d. both a and c
Mike has changed directory into one subdirectory after the next and has lost track of where he’s at in the directory tree. Which of the following commands can he use to tell him the full path to the current subdirectory he is in?
A. cd - B. pwd C. cwd D. ls -dir
An object’s orientation is its combined yaw, pitch, and roll.
Answer the following statement true (T) or false (F)