Is Ch 1-3 Test C++ Your Forte? Find Out With This Quiz!

26 Questions | By Tcarter1 | Last updated: Mar 21, 2022 | Total Attempts: 105

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C++ language was developed in 1979 and it is a sophisticated general purpose programming language based on C. If you are a starter at this language, then the quiz below is perfect for you, if you consider chapter one to three your forte. Take up the quiz and prove yourself!

Questions and Answers

1.
1. Change the following for loop into a while loop
for( i=0;i < 10; i+=3) { sum += i; }
2.

Explain the difference between a do-while loop and a while loop.
3.

Write a complete program that will convert from inches to centimeters. Use the formula cent = inches * 2.54
4.
1. Write a program to add and average test scores for this test. Use a sentinel controlled loop to do this. Do not worry about comments and the intial comment section. This is a complete program.
5.
1. Write a switch statement to determine the GPA of a student given the letter grade. Use the following table as a guide. Double gpa=0,class=0; Letter GPA A 4.0 B 3.0 C 2.0 D 1.0 F 0.0
6.
1. Write the program again using if-else statements. Determine the GPA of a student given the letter grade. Use the following table as a guide. Double gpa=0,class=0; Letter GPA A 4.0 B 3.0 C 2.0 D 1.0 F 0.0
7.

If the following are valid identifiers, check valid, otherwise check invalid, return
- A.
  
  Valid
- B.
  
  Invalid
8.

STUDENTS
- A.
  
  Valid
- B.
  
  Invalid
9.

Student-grade
- A.
  
  Valid
- B.
  
  Invalid
10.

Check_Grade
- A.
  
  Valid
- B.
  
  Invalid
11.

2file
- A.
  
  Valid
- B.
  
  Invalid
12.

Cpu
- A.
  
  Valid
- B.
  
  Invalid
13.

Counter value
- A.
  
  Valid
- B.
  
  Invalid
14.

Sprint.L.L.C
- A.
  
  Valid
- B.
  
  Invalid
15.

Counter4Data
- A.
  
  Valid
- B.
  
  Invalid
16.

Write only the code necessary to declare a variable that would hold the cost of an automobile. Initialize it with a value of 0;
- A.
  
  Int cost = 0;
- B.
  
  Double cost = 0;
- C.
  
  Cost = 0;
- D.
  
  Double = 0;
17.

Evaluate the following numerical expression. int number; int x = 9, y = 5; float ave = 13.5 number = ( x + y / 3 * 2 ) + ave / x -1 * ave;
18.

Evaluate the following logical expressions as true or false: int x=0, y=1; bool value=false; (these values are the same for each expression). (x=0 && y < 5/3 + 3 || value == 0/y)
- A.
  
  True
- B.
  
  False
19.

Evaluate the following logical expressions as true or false: int x=0, y=1; bool value=false; (these values are the same for each expression). (x + y || value && x || !value)
- A.
  
  True
- B.
  
  False
20.

Assume that for each operation, a is 5, b is 14, and c is 8. a, b and c are all integers. a % b
21.

Assume that for each operation, a is 5, b is 14, and c is 8. a, b and c are all integers. a / b
22.

Assume that for each operation, a is 5, b is 14, and c is 8. a, b and c are all integers. float(a) / c
23.

Assume that for each operation, a is 5, b is 14, and c is 8. a, b and c are all integers. float(a / b)
24.
1. What is the output of the following code fragment?
int i=20; do { cout << i << i+1 << endl; }while(i > 10);
- A.
  
  20 21
- B.
  
  10 20 21
- C.
  
  20 21 repeating
25.

What is wrong with the following code that will assign my first initial to a variable? char initial; initial=M;
- A.
  
  The m needs to have ‘’ around it "M".
- B.
  
  The m needs to have ‘’ around it ‘M’.
- C.
  
  It is fine.