Unit 4 C Programming

Question 1

What are the operands in this statement
int num = 5 + 7;

Answer 1

The operands are 5 and 7

Question 2

What is the operator in this statement
int num = 5 + 7;

Answer 2

The operator is +

Question 3

What is the order of operation in C

Answer 3

C follows BEDMAS
Brackets
Exponents
Divisions
Multiplications
Additions
Subtractions

Question 4

What is the modulo operator?

Answer 4

The modulo operator is %
it means the remainder of

Question 5

What happens if you do integer devision

Answer 5

The decimal portion is truncated after the division

Question 6

What is a string in C

Answer 6

It’s an array of characters.

Question 7

What is the last char in a char array

Answer 7

You set the last char as \0
this means NULL or Zero. It indicates the end of memory allocation

Question 8

How do you declare a char array?

Answer 8

char name [5];

[‘R’], [‘Y’], [‘A’], [‘N’], [‘\0’]

Question 9

What does the char array look when declared as
char name [5] = {‘\0’};

Answer 9

[‘\0’],[‘\0’],[‘\0’],[‘\0’],[‘\0’]

Question 10

What happens when you declare a char array without putting the size but assigning a string

Answer 10

It will automatically assign the correct size