Variables in C

Pregunta 1

What is a variable in C?

Opcion A A function Opcion B A memory slot that stores data Opcion C A loop Opcion D An operator

Pregunta 2

What is the correct way to declare a variable?

Opcion A age int; Opcion B int age; Opcion C age = int; Opcion D declare age int;

Pregunta 3

What does this code print?

Snippet c

int x = 5;
printf("%d", x);

Opcion A 5 Opcion B 0 Opcion C 1 Opcion D Error

Pregunta 4

Which type is used for integer numbers?

Opcion A float Opcion B char Opcion C int Opcion D double

Pregunta 5

What does this print?

Snippet c

int a = 3;
int b = 2;
printf("%d", a+b);

Opcion A 5 Opcion B 6 Opcion C 1 Opcion D 3

Pregunta 6

Which is a valid variable name?

Opcion A 2age Opcion B age-user Opcion C userAge Opcion D int

Pregunta 7

What does this code do?

Snippet c

int x;
x = 10;

Opcion A Declares and assigns a value Opcion B Declares a function Opcion C Prints x Opcion D Creates a loop

Pregunta 8

What does this print?

Snippet c

int x = 4;
printf("%d", x*2);

Opcion A 8 Opcion B 6 Opcion C 4 Opcion D 2

Pregunta 9

Which operator is used to assign values?

Opcion A == Opcion B = Opcion C + Opcion D *

Pregunta 10

What does this print?

Snippet c

int x = 7;
x = x + 3;
printf("%d", x);

Opcion A 10 Opcion B 7 Opcion C 3 Opcion D 4

Pregunta 11

What is the purpose of a variable?

Opcion A Store data Opcion B Repeat code Opcion C Create loops Opcion D Compile the program

Pregunta 12

What does this print?

Snippet c

int a = 2;
int b = 5;
printf("%d", b-a);

Opcion A 3 Opcion B 7 Opcion C 2 Opcion D 5

Pregunta 13

Which type would you use for decimals?

Opcion A int Opcion B float Opcion C char Opcion D bool

Pregunta 14

What does this print?

Snippet c

int x = 3;
int y = 4;
printf("%d", x*y);

Opcion A 12 Opcion B 7 Opcion C 1 Opcion D 4

Pregunta 15

What does printf do?

Opcion A Reads data Opcion B Prints data Opcion C Declares variables Opcion D Creates loops

Pregunta 16

What does this print?

Snippet c

int x = 9;
printf("%d", x-4);

Opcion A 5 Opcion B 9 Opcion C 4 Opcion D 13

Pregunta 17

Which is a valid data type?

Opcion A string Opcion B float Opcion C decimal Opcion D number

Pregunta 18

What does this print?

Snippet c

int x = 2;
printf("%d", x+5);

Opcion A 7 Opcion B 5 Opcion C 2 Opcion D 3

Pregunta 19

What does this code do?

Snippet c

int age = 20;

Opcion A Declares and assigns a variable Opcion B Prints age Opcion C Reads data Opcion D Creates a loop

Pregunta 20

What does this print?

Snippet c

int x = 10;
x = x/2;
printf("%d", x);

Opcion A 5 Opcion B 10 Opcion C 2 Opcion D 20

Pregunta 21

Which operator adds values?

Opcion A + Opcion B - Opcion C * Opcion D /

Pregunta 22

What does this print?

Snippet c

int x = 6;
printf("%d", x+1);

Opcion A 7 Opcion B 6 Opcion C 5 Opcion D 1

Pregunta 23

Which operator multiplies?

Opcion A + Opcion B - Opcion C * Opcion D %

Pregunta 24

What does this print?

Snippet c

int x = 8;
printf("%d", x/2);

Opcion A 4 Opcion B 16 Opcion C 8 Opcion D 2

Pregunta 25

What does this print?

Snippet c

int x = 5;
int y = x + 2;
printf("%d", y);

Opcion A 7 Opcion B 5 Opcion C 2 Opcion D 10

Pregunta 26

Which type is used for letters?

Opcion A char Opcion B int Opcion C float Opcion D bool

Pregunta 27

What does this print?

Snippet c

int x = 4;
printf("%d", x*x);

Opcion A 16 Opcion B 8 Opcion C 4 Opcion D 12

Pregunta 28

Which operator subtracts?

Opcion A - Opcion B + Opcion C * Opcion D /

Pregunta 29

What does this print?

Snippet c

int x = 12;
printf("%d", x-2);

Opcion A 10 Opcion B 12 Opcion C 2 Opcion D 14

Pregunta 30

What does a variable do?

Opcion A Stores information Opcion B Runs functions Opcion C Compiles code Opcion D Repeats loops

programierds

Variables in C

What is a variable in C?

What is the correct way to declare a variable?

What does this code print?

Which type is used for integer numbers?

What does this print?

Which is a valid variable name?

What does this code do?

What does this print?

Which operator is used to assign values?

What does this print?

What is the purpose of a variable?

What does this print?

Which type would you use for decimals?

What does this print?

What does printf do?

What does this print?

Which is a valid data type?

What does this print?

What does this code do?

What does this print?

Which operator adds values?

What does this print?

Which operator multiplies?

What does this print?

What does this print?

Which type is used for letters?

What does this print?

Which operator subtracts?

What does this print?

What does a variable do?

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