Which of the following is a heading element?
A.
B.
C.
D.
Answer: D
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A PARTS file with Part# as hash key includes records with the following Part# values: 2369, 3760, 4692, 4871, 5659, 1821, 1074, 7115, 1620, 2428, 3943, 4750, 6975, 4981, 9208. The file uses 8 buckets, numbered 0 to 7. Each bucket is one disk block and holds two records. Load these records into the file in the given order using the hash function h(K)=K mod 8. Calculate the average number of block accesses for a random retrieval on Part#.
What will be an ideal response?
All devices must have a separate I/O address
Indicate whether the statement is true or false
The water-ski model is a type of SDLC in which each phase of the process flows from the information gained in the previous phase, with multiple opportunities to return to previous phases and make adjustments.
Answer the following statement true (T) or false (F)
The first step to an analysts’s approach to problem solving is to __
a. define the requirements for solving the problem b. develop a set of possible solutions c. research and understand the problem d. verify that the benefits of solving the problem outweigh the costs