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Exam (elaborations) Introduction to Programming (COS1511) Introduction to Programming R99,33
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Exam (elaborations)

Exam (elaborations) Introduction to Programming (COS1511) Introduction to Programming

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Solutions to assignment 01 of the year 2024 of COS1511

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  • April 27, 2024
  • 33
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers
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27/04/2024, 21:05 Assessment 4 Replacing AssNo 1: Attempt review




S1511 Module Site  Assessment 4 Replacing AssNo 1

QUIZ




Started on Monday, 1 April 2024,
3:27 PM
State Finished
Completed on Saturday, 27 April
2024, 9:03 PM
Time taken 26 days 5 hours
Marks 49.00/56.00
Grade 87.50 out of 100.00


Question 1

Correct

Mark 1.00 out of 1.00




Which of the following is a valid variable
name?


a. 3com

b. three_com 

c. 3_com

d. ampersand&




Your answer is correct.
The correct answer is:
three_com




Question 2
Correct

Mark 1.00 out of 1.00




Which of the following statements is
NOT legal?


a. char ch = 'b';

b. char ch = '0';

c. char ch = 65;

d. char ch = "cc"; 




Your answer is correct.

The correct answer is:
char ch = "cc";


https://mymodules.dtls.unisa.ac.za/mod/quiz/review.php?attempt=16709304&cmid=959160 1/33

,27/04/2024, 21:05 Assessment 4 Replacing AssNo 1: Attempt review

Question 3

Correct

Mark 1.00 out of 1.00




What is the value of x after the following
statements?
float x;
x = 15/4;


a. 3.75

b. 4.0

c. 3.0 

d. 60




Your answer is correct.
The correct answer is:
3.0




Question 4
Correct

Mark 1.00 out of 1.00




What is the value of x after the following
statements?
int x;
x = 15/4;


a. 15

b. 3 

c. 4

d. 3.75




Your answer is correct.

The correct answer is:
3




https://mymodules.dtls.unisa.ac.za/mod/quiz/review.php?attempt=16709304&cmid=959160 2/33

,27/04/2024, 21:05 Assessment 4 Replacing AssNo 1: Attempt review

Question 5

Correct

Mark 1.00 out of 1.00




What is the value of x after the following
statements?
int x;
x = 15 % 4;


a. 15

b. 4

c. 3 

d. 3.75




Your answer is correct.
The correct answer is:
3




Question 6
Correct

Mark 1.00 out of 1.00




What is the value of x after the following
statement?
float x;
x = 3..0 + 3 + ;


a. 5.75

b. 5,75

c. 1.75

d. 3.75 




Your answer is correct.

The correct answer is:
3.75




https://mymodules.dtls.unisa.ac.za/mod/quiz/review.php?attempt=16709304&cmid=959160 3/33

, 27/04/2024, 21:05 Assessment 4 Replacing AssNo 1: Attempt review

Question 7

Incorrect

Mark 0.00 out of 1.00




Which C++ statements correctly declare
a variable called age, and prompt a user
for his/her age.


a. int age = 0;
cout >> "Please enter your age: ;
cin << age;

b. int age = 0;
cout << "Please enter your age: ";
cin >> ages;

c. int age = 0;
cout << "Please enter your age: ";
cin >> age;

d. int ages = 0; 
cout << "Please enter your
age: ";
cin >> age;




Your answer is incorrect.

The correct answer is:
int age = 0;
cout << "Please enter your age: ";
cin >> age;




Question 8

Correct

Mark 1.00 out of 1.00




Which C++ statement is the equivalent of
the following statement using a single
arithmetic assignment operator?
sum = sum + 47;


a. sum += 47; 

b. sum == 47;

c. sum +47;

d. sum += sum;




Your answer is correct.

The correct answer is:
sum += 47;




https://mymodules.dtls.unisa.ac.za/mod/quiz/review.php?attempt=16709304&cmid=959160 4/33

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