Sys Ana Des Quiz 3

Which of the following loop correctly prints the elements of the array?
char[] arr = new char [] {'k', 'i', 'C', 'i', 't'};
1. do
{ Console.WriteLine((char) i);}
while (int i=0; i < arr; i++);
2. foreach (int i in arr)
{ Console.WriteLine((char) i);}
3. for (int i = 0; i < arr; i++)
{Console.WriteLine((char) i);}
4. while (int i = 0; i < arr; i++)
{Console.WriteLine((char) i);}
5. do
{Console.WriteLine((char) i);}
until (int i = 0; i < arr; i++);
A. 1
B. 2
C. 3
D. 4
E. 5
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Terms in this set (10)
Which of the following loop correctly prints the elements of the array?
char[] arr = new char [] {'k', 'i', 'C', 'i', 't'};
1. do
{ Console.WriteLine((char) i);}
while (int i=0; i < arr; i++);
2. foreach (int i in arr)
{ Console.WriteLine((char) i);}
3. for (int i = 0; i < arr; i++)
{Console.WriteLine((char) i);}
4. while (int i = 0; i < arr; i++)
{Console.WriteLine((char) i);}
5. do
{Console.WriteLine((char) i);}
until (int i = 0; i < arr; i++);
A. 1
B. 2
C. 3
D. 4
E. 5
B. 2
To program the summation of the numbers 2 + 4 + 6 + ... + 100 using for-loop, the step index increment or decrement should be
A. i--
B. i = i + 2
C. i++
D. i = i - 2
E. i += 2
B, D, E
What is the correction operation or function head for the following process?
A. bool checkTimeConflict(TimeSpan a, TimeSpan b)
B. Y/N checkTimeConflict(TimeSpan a, TimeSpan b)
C. bool checkTimeConflict(TimeSpan a, b)
D. string checkTimeConflict(TimeSpan a, TimeSpan b)
A. bool checkTimeConflict(TimeSpan a, TimeSpan b)
The following is a list of functions and attributes with their context. Which ones are functions:
a) "Deposit money into an account" in an automatically teller machine
b) "Check Pre-requisites" in college registration system
c) "A little of a book" in a college library system
d) "Compute total gross pay for part-time employees" in a payroll system
e) "the grade point average (gpa)" in a registration system
f) "Make an order" in a point of sale (POS) system.
A. a, b, d, e, f
B. a, b, d, f
C. c and e
D. all of them
E. None of them
C. c and e
The following code is to convert a 10-based integer 9823232 into 6-based integer using a while-loop, what is the condition that you will use in the missing place?
int x = 9823232;
string result = "";
while ( // your code here //)
{
result = x%6 + result;
x = x/6;
}
result = x + result;
A. x >= 6
B. x%6 < 6
C. x <= 6
D. x%6 <= 6
E. x > 0
A. x >= 6
What is the result of FibArray[1] after running the following for-loop code?
int[] FibArray = {1,2};
for (int i = 2; i <4; i++)
{
FibArray[1] = FibArray[1] + FibArray[0];
FibArray[0] = FibArray[1] - FibArray[0];
}
A. 3
B. 5
C. 8
D. 11
E. Cannot be determined
B. 5
What are the values of a and b after the for loop finishes?
int a = 10, b = 3, t;
for (int i=1; i<=6; i++)
{
t = a;
a = i + b;
b = t - i;
}
A. a = 6 and b = 13
B. a = 6 and b = 7
C. a = 13 and b = 0
D. a = 6 and b = 0
E. a = 0 and b = 13
C. a = 13 and b = 0
In activity diagrams, in order to split one flow into multiple parallel flows, you will use
A. fork
B. join
C. merge
D. decision node
A. fork
What is the correct operation or function head for the following process?
A. void getPrerequisites(string CNO, out List<Course>)
B. List<Course> getPrerequisites(string CNO)
C. List<Course> getPrerequisites(string CNO, out List<Course> I)
D. void getPrerequisites(string CNO, out List<Course> I)
B and D
In which of the following situations, you will use a merge node?
B. After a customer choose one of three payment methods, we need to finish the transaction and print a receipt
C. After consolidate three parallel actions, we need to go back to the beginning to re-perform the parallel actions
B and C