Give an example of a transaction processing system (other than a banking system) that you have interacted with, for which you had an intuitive expectation that the serial order was the commit order.
What will be an ideal response?
Airlines reservation system; credit card system. You make a reservation and check a
fewminute later and the system says you do nowhave a reservation.
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When the number of repetitions needed for a set of instructions is known before they are executed in a program, the best repetition structure to use is a(n)
(A) Do While...Loop structure. (B) Do...Loop Until structure. (C) For...Next loop. (D) If block.
Which of the following image formats is NOT typically compressed (resulting in extremely large file sizes)?
A) .JPEG B) .BMP C) .PNG D) .GIF
Cryptography is the process of converting plaintext, which is readable text, into unreadable or encrypted text called which if the following?
A. ciphertext B. cleartext C. maskedtext D. subtext
The type of media usually installed on homes and businesses by the telephone company is called ____________.
a. fiber optic cable b. coaxial cable c. twisted pair d. phone cable e. phone wire