Explain what an arithmetic overflow is and what its significance in computer science is.
What will be an ideal response?
Arithmetic overflow occurs when there is an attempt to represent an integer that exceeds the maximum allowable value. No matter how many bits are ultimately used, there is always a maximum value beyond which the computer cannot correctly represent any integer. This characteristic is one of the major differences between the disciplines of mathematics and computer science. In mathematics, a quantity may usually take on any value, no matter how large. Computer science must deal with a finite-and sometimes quite limited-set of possible representations, and it must handle the errors that occur when those limits are exceeded.
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A class design requires that a particular member variable must be accessible by any subclasses of this class, but otherwise not by classes which are not members of the same package. What should be done to achieve this?
a. The variable should be marked public. b. The variable should be marked private. c. The variable should be marked protected. d. The variable should have no special access modifier. e. The variable should be marked private and an accessor method provided.
The number of occurrences of an expression is determined using the ____ function in a form or report.
A. Sum B. Average C. Count D. Max
Which of the following is not true about locally installed software?
A. You pay a one-time fee. B. You need the Internet to run the program. C. You normally get it through a disk or an online download. D. It is installed on your device.
In Impress, the ________ allows you to focus on one slide at a time
A) slide sorter B) master view C) workspace D) thumbnail