COS1511 assignment 3 mcq solutions

9/15/23, 8:56 PM Assessment 3: Attempt review




UNISA  2023  COS1511-23-Y  Welcome to COS1511 Module Site  Assessment 3

QUIZ




Started on Friday, 15 September 2023, 8:36 PM
State Finished
Completed on Friday, 15 September 2023, 8:55 PM
Time taken 19 mins 3 secs
Marks 59.00/60.00
Grade 98.33 out of 100.00


Question 1
Correct

Mark 1.00 out of 1.00




Given the declaration below, which statement assigns the element in the first
row and first column a value of 99?

int scores[3][2] = {0};



a. scores[1][1] = 99;

b. scores[0][0] = '99';

c. scores[0][0] = 99; 

d. scores[1][1] = "99";




Your answer is correct.

The correct answer is:
scores[0][0] = 99;




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,9/15/23, 8:56 PM Assessment 3: Attempt review

Question 2
Correct

Mark 1.00 out of 1.00




Given the array declaration below, what is stored in numbers[2] ?
int numbers[5] = {1, 2, 3, 4, 5};




a. 0

b. 1

c. 2

d. 3 




Your answer is correct.
The correct answer is:
3




Question 3
Correct

Mark 1.00 out of 1.00




Which of the following statements declares a one-dimensional array containing
two integer values?


a. int numbers[3] = {1, 2, 3};

b. char letters[2] = {'a', 'b'};

c. int characters[2] = {45, 87}; 

d. int ages[6] = {0};




Your answer is correct.

The correct answer is:
int characters[2] = {45, 87};




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,9/15/23, 8:56 PM Assessment 3: Attempt review

Question 4
Correct

Mark 1.00 out of 1.00




Consider the following struct definition:
struct temp {

int b; };
temp s[50];
The correct syntax to access the member of the ith structure in the array of
structures is?



a. s.b.[i];

b. s.[i].b;

c. s.b[i];

d. s[i].b; 




Your answer is correct.
The correct answer is:
s[i].b;




Question 5
Correct

Mark 1.00 out of 1.00




What is the output of the following program?
#include <iostream>
using namespace std;
void X(int A, int &B)
{
A = A + B;
B = A - B;
A = A - B;
}
int main()
{
int a = 4, b = 18;
X(a,b);
cout << a << ", " << b;
return 0;
}



a. 4, 4 

b. 18, 4

c. 18, 18

d. 4, 18




Your answer is correct.
The correct answer is:
4, 4




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, 9/15/23, 8:56 PM Assessment 3: Attempt review

Question 6
Correct

Mark 1.00 out of 1.00




Variables located in the first column in a two-dimensional array are assigned a
column subscript of _____.



1. 0
2. 1
3. -1
4. NULL


a. 0 

b. 1

c. -1

d. NULL




Your answer is correct.

The correct answer is:
0




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