COSC 1436 Practice Test Questions and Answers All Correct
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Course
COSC 1436
Institution
COSC 1436
COSC 1436 Practice Test Questions and Answers All Correct
Which of the following will cause a logical error if you are trying to compare x to 5?
a. if (x == 5)
b. if (x = 5)
c. if (x <= 5)
d. if (x >= 5) - Answer-b. if (x = 5)
The appearance of = in place of == resembles a(n) __ .
a...
COSC 1436 Practice Test Questions
and Answers All Correct
Which of the following will cause a logical error if you are trying to compare x to 5?
a. if (x == 5)
b. if (x = 5)
c. if (x <= 5)
d. if (x >= 5) - Answer-b. if (x = 5)
The appearance of = in place of == resembles a(n) __ .
a. syntax error
b. silent killer
c. compilation error
d. input failure - Answer-b. silent killer
The conditional operator ? : takes __ arguments.
a. two
b. three
c. four
d. five - Answer-b. three
What is the value of x after the following statements execute?
int x;
x = (5 <= 3 & & 'A' < 'F') ? 3 : 4
a. 2
b. 3
c. 4
d. 5 - Answer-c. 4
Assume you have three int variables: x = 2, Y = 6 , and z. Choose the value of z in the
following expression:
z = ( y / x > 0) ? x : y;
a. 2
b. 3
c. 4
d. 6 - Answer-a. 2
What is the output of the following code?
char lastlnitial = 'S';
switch (lastlnitial) {
case 'A': cout « "section 1" «endl; break;
case 'E': cout « "section 2" «endl; break;
, case 'C': cout « "section 3" «endl; break;
case 'D': cout « "section 4" «endl; break;
default: cout « "section 5" «endl; }
a. section 2
b. section 3
c. section 4
d. section 5 - Answer-d. section 5
What is the output of the following code?
char lastlnitial = 'A';
switch (lastlnitial) {
case 'A': cout « "section 1" «endl; break;
case 'E': cout « "section 2" «endl; break;
case 'C': cout « "section 3" «endl; break;
case 'D': cout « "section 4" «endl; break;
default: cout « "section 5" «endl; }
a. section 1
b. section 2
c. section 3
d. section 5 - Answer-a. section 1
What is the output of the following code fragment if the input value is 4?
int num; int alpha = 10;
cin » num;
switch (num) {
case 3: alpha++; break;
case 4:
case 6: alpha = alpha + 3;case 8: alpha = alpha + 4; break;
default: alpha = alpha + 5; }
cout « alpha « endl;
a. 13
b. 14
c. 17
d. 22 - Answer-a. 13
What is the output of the following C++ code?
int x = 55; int y = 5;
switch (x % 7) {
case 0:
case 1: y++;
case 2:
case 3: y = y + 2;
case 4: break;
case 5:
case 6: y = y - 3; }
cout « y « endl;
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