The alarm signal call
A. sends SIGALRM to a process
B. sets a timer
B. sets a timer
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The main problem with the ____ approach is the sheer volume of data that the system logs produce.
A. audit-based B. review-based C. change-based D. control-based
Answer the following statements true (T) or false (F)
1. Value checks are usually performed for any data. 2. A value check is used when one element has a relationship with another one. 3. A mathematical process of assuring data accuracy involves multiplying each of the digits in the original code by some predetermined weights, summing these results, and then dividing this sum by a modulus number. 4. Use the stored data system to prevent the mistake that the intended number 53411 is typed in as number 54311 instead. 5. A method for validating credit cards uses a check digit formula called the Kendall formula.
What are the four main reason why Ecommerce environments have increased the accuracy of data?
What will be an ideal response?
A ____ typically rests on the desk or other flat surface close to the user's computer, and it is moved across the surface with the user's hand in the appropriate direction to point to and select objects on the screen.
A. touch screen B. virtual keyboard C. stylus D. mouse