Review question for the second exam
Q1)Which one of the following is true about arguments and parameters?
A. Arguments appear in Call statements; parameters appear in Sub statements.
B. Parameters appear in Call statements; arguments appear in Sub statements.
C. They are the same terms.
D. They are completely unrelated in a program.
Q2)One of the following is a valid sub procedure definition:
A. Private Sub Procedure1(x) As Integer
B. Private Sub 1stprocedure(x As Integer)
C. Private Sub Procedure1(x As Integer)
D. Private Sub Procedure1(Integer x)
Q3)Given sub procedure
Private Sub Output (n As Integer, s As String)
PicBox.Print n; s
End Sub
Which of the following may be a calling statement for the procedure Change?
A. Call Output (5, "55")
B. Call Output ("hi", 5)
C.
n = “78”
Call Output (6, n)
D. n = 78
Call Output (6, n)
E. A and C
Q4)Which of the following is a valid sub procedure calling statement:
A. Call S
B. x = S
C. Print S
D. All of the above
Q5)What is the output of the following code:
Private Sub Command1_Click()
Dim x As Integer
x=2
Call Change(x, x + 1)
Print x
End Sub
Private Sub Change(a As Integer, b As Integer)
Print a; b;
End Sub
A. 2 3 4
B. 2 3 3
C. 2 3 2
D. 2 3 1
Q6)What is the output of the following code:
Private Sub Command1_Click()
Dim x As Integer
x=2
Call sub1(x, x ^ x + Sqr(25))
Print x
End Sub
Private Sub sub1(a As Integer, b As Integer)
Print a; b;
End Sub
A. 2 6 2
B. 2 6 6
C. 2 9 9
D. 2 9 2
Q7)What is the output of the following code:
Private Sub Command1_Click()
Dim num As Single
num = 3
Call Cube(num)
Print num
End Sub
Private Sub Cube(n As Single)
n=n*n*n
End Sub
A. 3
B. 9
C. 27
D. 18
A. All of the above
Q8)The following code is valid:
Private Sub Command1_Click()
Dim a As Integer, b As Integer
Call add(a, b)
End Sub
Private Sub add(a As Integer)
PicBox.Print a
End Sub
A. True
B. False
Q9)The following code is valid:
Private Sub Command1_Click()
Dim a As Integer, b As Integer
Call add(a, b)
End Sub
Private Sub add(a As Integer, b As String)
PicBox.Print a
End Sub
A. True
B. False
Q10)What is the output of this code?
Private Sub Command1_Click()
Dim a As Integer
a=1
Call add(a)
Print a
End Sub
Private Sub add(b As Integer)
b=0
a=3
End Sub
A. 3
B. 0
C. 1
D. none of the above
Q11)What is the output of the following code:
Private Sub Command1_Click()
Dim a As Integer, b As Integer
a=1
b=3
Call change(a, b)
PicBox.Print a - b;
End Sub
Private Sub change(a As Integer, b As Integer)
PicBox.Print a - b;
a=a-b
End Sub
A. -2 -5
B. -2 -3
C. -2 2
D. 2 1
Q12)What is the output of this code?
Private Sub Command1_Click()
Dim c As Integer, d As Integer
c=1
d=2
Call add(c, d)
Print c; d
End Sub
Private Sub add(d As Integer, c As Integer)
c=c+1
d=d+2
End Sub
A. 3 3
B. 3 2
C. 2 4
D. 3 5
Q13)What is the output of the following code:
Private Sub Command1_Click()
Dim name As String
name = "Hi " ‘ there is a space after Hi
Call part(name)
Print n & name
End Sub
Private Sub part(n As String)
Print n & n & "All "; ‘ There is a space after All
End Sub
A. Hi Hi All
B. Hi Hi All Hi
C. Hi Hi All Hi Hi All
D. Hi Hi All Hi Hi All Hi
Q14)What is the output of the following code:
Private Sub Command1_Click()
Dim n As Integer
n=3
Call Proc(n)
Print n;
Call Proc(n + 1)
Print n;
End Sub
Private Sub proc(n As Integer)
n=n+2
End Sub
A. 5 8
B. 5 7
C. 5 5
D. 5 6
Q15)How many times the statement print "Good Luck" will be executed
Dim i as integer,j as integer
for i=4 To 6
for j=4 To i
print "Good Luck"
Next j
Next i
A. 3
B. 4
C. 6
D. 9
Q16)How many times the statement print "Good Luck" will be executed
Dim i as integer,j as integer
for i=0 To 3
for j=0 To 0
print "Good Luck"
Next j
Next i
A. 3
B. 4
C. 0
D. 6
Q17)What is the output of the following code
Dim a as integer
a=5
for a=3 To 1 step -1
print a;
Next a
print a
A. 3 2 1 1
B. 3 2 1 0
C. 5 3 2 1
D. 5 3 2 0
Q18)How many times the following code executes the print statement
a=0
Do
Print a + 1
Loop Until a <= 10
A. 1
B. 0
C. 10
D. 11
Q19)How many times the following code executes the print statement
a=1
Do Until a < 10
Print a + 2
Loop
A. 0
B. 1
C. 4
D. 5
Q20)What is value of x after the following code executes?
f = True
x = 10
Do While (f)
If (x / 4 = 1) Then f = False
x=x-1
Loop
print x
A. 3
B. 0
C. 8
D. 7
Q21) Assume that the file Data.txt contains the following entries:
1, 9, 5, 3, 7, 4, 9, 2, 1, 1, 5
and the file Numbers.txt contains the following entries:
2,4,5,1
What is the output of the following code?
Dim y As Integer
Open "Data.txt" For Input As #1
Open "Numbers.txt" For Input As #2
Do
Input #1, x
If x < 7 Then
Input #2, y
End If
Print x + y;
Loop Until EOF(1) Or EOF(2)
A. 3 11 9 8 12 5
B. 3 13 10 4
C. 3 13 10 4 7 4 9 2 1 1 5
D. 3 9 9 8 7 5
Q22)When passing arguments to a sub procedure:
B. The number of arguments and parameters must match.
C. The data type of each argument must match its corresponding parameter.
D. The names of arguments and parameters must be the same
E. A and B