Get premium membership and access questions with answers, video lessons as well as revision papers.
(i) Parallel changeover strategy allows cross checking while direct changeover strategy does give room for crosscheck.
(ii) parallel changeover strategy allows room for training and smooth switch to the new system while direct changeover strategy does not.
(iii) Parallel changeover strategy is expensive than direct changeover strategy.
(iv) Parallel changeover is less risky as compared to direct changeover strategy.
maurice.mutuku answered the question on May 3, 2018 at 15:21
- Why is file conversion important during implementation?(Solved)
Give reasons why file conversion is important during implementation.
Date posted: May 3, 2018. Answers (1)
- Why is system testing important?(Solved)
Give reasons why system testing is important.
Date posted: May 3, 2018. Answers (1)
- What are the ways of testing new systems before use?(Solved)
List down the ways of testing new systems before use.
Date posted: May 3, 2018. Answers (1)
- What is the difference between black box testing and white box testing?(Solved)
Differentiate between black box testing and white box testing.
Date posted: May 3, 2018. Answers (1)
- What is system testing?(Solved)
Define system testing.
Date posted: May 3, 2018. Answers (1)
- What is the main task of a computer programmer?(Solved)
Give the main task of a computer programmer.
Date posted: May 3, 2018. Answers (1)
- What are the main areas considered when designing a new system?(Solved)
Discuss the main areas that are considered when designing a new system.
Date posted: May 3, 2018. Answers (1)
- What are the disadvantages of interviews as a method for collecting data?(Solved)
Give the disadvantages of interviews as a method for collecting data.
Date posted: May 3, 2018. Answers (1)
- What is system feasibility study?(Solved)
Define the term system feasibility study.
Date posted: May 3, 2018. Answers (1)
- What are the roles of a system analyst?(Solved)
Highlight the roles of a system analyst.
Date posted: May 3, 2018. Answers (1)
- What are the qualities of a good system analyst?(Solved)
Discuss the qualities of a good system analyst.
Date posted: May 3, 2018. Answers (1)
- 1. Create a class called card that maintains a library catalog entry.Have the class store a book's tittle,author,and number of copies on hand.Store the tittle and...(Solved)
1. Create a class called card that maintains a library catalog entry. Have the class store a book's tittle,author,and number of copies on hand.Store the tittle and author as string and the number on hand as an integer.Use a public member function called show() to display the information. Include a short main() function to demonstrate the class.
2.Create a queue class that maintains a circular queue of integers.Make the queue size 100 long.Include a short main() function that demonstrates its operation.
Date posted: May 2, 2018. Answers (1)
- How can technology make office work more efficient?(Solved)
How can technology make office work more efficient?
Date posted: May 2, 2018. Answers (1)
- Explain the meaning of the word diligence in relation to computers(Solved)
Explain the meaning of the word diligence in relation to computers.
Date posted: May 2, 2018. Answers (1)
- Give reasons why mobile phones are regarded as computers(Solved)
Give reasons why mobile phones are regarded as computers.
Date posted: May 1, 2018. Answers (1)
- Here is a C program. Rewrite it so it uses C++ style I/O statements.
/* convert this C program into C++ style.This program computes the lowest...(Solved)
Here is a C program. Rewrite it so it uses C++ style I/O statements.
/* convert this C program into C++ style.This program computes the lowest common denominator*/
#include
into main (void)
{
int a, b, min ;
printf("Enter two numbers: ");
scanf("%d%d",&a, &b);
min = a > b ? b:a;
for (d = 2; dif(((a%d) ==0) && ((b%d) ==0)) break;
if (d== min) {
printf("No common denominators\n");
return 0;
}
printf("The lowest common denominator is %d\n", d);
return 0;
}
Date posted: April 30, 2018. Answers (1)
- Write a C++ program that converts feet to inches.Prompt the user for feet and display the equivalent number of inches.Have your program repeat this process...(Solved)
Write a C++ program that converts feet to inches.Prompt the user for feet and display the equivalent number of inches.Have your program repeat this process until the user enters 0 for the number of feet.
Date posted: April 30, 2018. Answers (1)
- Write a program in C++ that inputs the number of hours that an employee works and the employee's wage.Then display the employee gross pay.(Be sure...(Solved)
Write a program in C++ that inputs the number of hours that an employee works and the employee's wage.Then display the employee gross pay.(Be sure to prompt for input)
Date posted: April 30, 2018. Answers (1)
- What are turnaround documents?(Solved)
What are turnaround documents?
Date posted: April 29, 2018. Answers (1)
- Cite instances when a person shall be lawfully deprived of personal liberty.(Solved)
Cite instances when a person shall be lawfully deprived of personal liberty.
Date posted: April 26, 2018. Answers (1)