An advantage of using significant-digit codes is that:
A) the data may be easily concealed.
B) the code may be generated by auto-sequencing programs.
C) the code is short and quick to enter.
D) inquiries may be performed on a portion of the code.
E) the code combines the flexibility of data that is grouped and a sequence code.
D) inquiries may be performed on a portion of the code.
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You have the choice of running a single transaction to transfer |S300 from one of your savings accounts to another savings account at the same bank or of running two transactions, one to withdraw |S300 from one account and a second to deposit |S300 in the other. In the first choice the transfer is made atomically; in the second it is not. Describe a scenario in which after the transfer, the sum of the balances in the two accounts is different (from what it was when both transactions started) at the instant the transfer is complete. Hint: Other transactions might be executing at the same time that you are doing the funds transfer.
What will be an ideal response?
Describe the difference between computer input and output devices. Name a specific input and output device.
What will be an ideal response?
What is the impact of ? in the design of Kleinberg’s small-world model? Explain your ob- servations with ? ? {1, 2, 3}. Also, write a computer program to simulate the creation of Kleinberg’s small-world model with ? ? { 1 , 2 , 3 }
What will be an ideal response?
Portia is researching wireless Internet connections for her computer. Portia learns that ____ is a fixed wireless standard that uses antennas mounted on towers.
A. satellite service B. portable Internet access C. WiMAX D. Wi-Fi