coding 1

1. Question: What is the output of the following code snippet?

   int a = 5, b = 10;

   int result = a & b;

   printf("%d", result);

• a) 0

• b) 5

• c) 10

• d) 15

2. Question: Which of the following operators is used for floor division in Python?

• a) /

• b) //

• c) %

• c) %

3. Question: What is the output of the following code snippet?

   int a = 10; int b = 20; int result = a + b * 2; System.out.println(result);

• a) 60

• b) 50

• c) 30

• d) 40

4. Question: What is the difference between a++ and ++a?

• a) No difference

• b) a++ increments a by 2, ++a increments a by 1

• c) a++ returns the current value and then increments, whereas ++a increments first and then returns the new value.

• d) Both decrement a

5. Question: What will be the output of the following code snippet?

   int a = 5;

   int b = ++a * 2;

   printf("%d\n", b);

• a) 10

• b) 12

• c) 8

• d) 6

6. Question: What is the result of 5 | 3 in binary?

• A) 101

• B) 110

• C) 111

• D) 100

9. Question: Which of the following statements about the modulo operator (%) is true?

• A) It returns the quotient of a division operation.

• B) It returns the remainder of a division operation.

• C) It returns the product of a multiplication operation.

• D) It returns the result of a subtraction operation.

8. Question: What is the result of the expression !(3 == 3 || 4 > 5)?

• A) True

• B) False

7. Question: What is the purpose of the left shift operator (<<)?

• A) It shifts bits to the right.

• B) It shifts bits to the left.

• C) It swaps the bits.

• D) It inverts the bits.

10. Question: Given the following values: a = 13 (in binary: 1101), b = 7 (in binary: 0111), c = 10 (in binary: 1010), what is the value of the expression: (a | b) & c ^ (b << 1)?

• A) 14

• B) 10

• C) 12

• D) 8