Computer Science 1032A/B Chapter Notes - Chapter 7: Sales Operations, General Ledger, Business Process

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aquamarineox222

16 Jun 2012

School

Western University

Department

Computer Science

Course

Computer Science 1032A/B

Professor

Diane Goldstein

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COMPSCI 1032A/B Full Course Notes

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First systems computed payroll, wrote paycheques, balanced accounting records, applied debits and credits to general ledger. Kept record of inventory quantities (verified every quarter with physical count) Labor saving devices but produced little info don"t exist today. 2nd era: facilitated work of single department or function. Grew as natural expansion: ex: payroll became hr, general ledger became financial reporting, inventory became operations or manufacturing. Companies added features and capabilities to iss to support more functional activity. Problem with functional systems is their isolation. Functional systems sometimes called islands of automation because they work independent of each other. Decisions based solely on one function may cause future inefficiencies. Isolation problem led to 3rd era of iss. Systems designed to integrate activities of entire business process. Also referred to as: cross-departmental or cross-functional systems: because they support complete business process also called process-based systems.

Related Questions

22. Recall that virtualization allows a guest operating system (OS) to run on a virtual machine inside a host operating system. Which of the following statements is true? a) Applications running on a virtual machine do experience performance degradation compared to running on a real machine. x b) A virtual machine typically lacks the functionalities of a real machine. c) A virtual machine cannot run multiple applications simultaneously i.e. do multitasking). d) A virtual machine does not need RAM to run. e) None of the above

1.Create a list that contains 10 successive integers starting with the value in the variable start. For example, if start is 7, the resulting list should be [7, 8, 9, 10, 11, 12, 13, 14, 15, 16]. Store the list in a variable named my_list. Assume that the value of start has already been set.

2.Create a list that is made up of the first half of the elements of a list called original_list. Store the new list in a variable called half_list. Assume that the original list has already been initialized and contains an even number of elements.

3. Write a predicate function called same_ends that accepts a list of integers and an integer (n) as arguments. Return True if the first n numbers in the list are the same as the last n numbers in the list, and False otherwise. For example, if the list was [1, 2, 3, 4, 99, 1, 2, 3, 4], the function would return True if n is 4 and False if n is 3. Assume that n is between 1 and the length of the list, inclusive.

4.Write a function called highest_values that accepts as arguments a list of numeric values and a single integer (n). The function should return a list made up of the largest n values from the argument list in order from lowest to highest. For example, if the argument list is [46, 82, 25, 61, 70, 33, 54] and n is 3, the return value should be [61, 70, 82]. Assume that the argument list contains at least n elements.

5.Assume that a list of integers stored in a variable named original contains exactly two elements that are zero. Write code that creates a separate list that contains the elements from original that are between the two zeros. Do not include the zeros in the new list. Store the list in a variable named between_zeros.

6. Write a function called price_range that accepts a list of floating-point numbers representing prices as an argument and returns the the difference between the highest price and the lowest price. Do NOT use the built-in functions max or min in your solution. Assume that all prices are positive values and that none of them exceed 10,000.00.

7. Write a function called count_vowels that accepts a string argument that represents a word and returns the number of vowels that are in the word. The vowels are A, E, I, O, and U (ignore the 'sometimes Y' rule). Count both uppercase and lowercase vowels.

Assume that the variable table holds a two-dimensional list of integers. Write code that computes the sum of all elements in the table, assigning the result to the variable table_sum.

emeraldhorse214

(c) Consider the following class: public class Student Grades private int ( grades; 1/loads values into grades from a file public void initializeFromFile(String filename) ....! //gets the total number of grades entered public int get NumRecords () (....) public class WebCT 1 public static void main(String[] args) Student Grades grades = new Student Grades(); grades.initializeFromFile("records. L.sv"); System.out.println("There are " + grades.length file.") " grades in that The goal of the program is to load the files and then print the total number of grades in the file. However, when you try to compile the above classes, you get the following error: WebCT.java:5: cannot find symbol symbol : variable length location: class Student Grades System.out.println("There are " + grades.length + " grades in that file." Explain why the crror occurs and write the code to fix it (while maintaining the intended functionality).

Computer Science 1032A/B Chapter Notes - Chapter 7: Sales Operations, General Ledger, Business Process

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