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C Arithmetic OperatorsC Assignment OperatorsC Relational OperatorsC Logical OperatorsC Increment & Decrement OperatorsC Conditional or Ternary OperatorC Bitwise OperatorsC Type CastingC Sizeof OperatorC Comma OperatorC Operators Precedence and AssociativityC ExpressionsC Evaluation of Expressions  C - Operators Practice Test.1  C - Operators Practice Test.2  C - Operators Practice Test.3
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C ifC if-elseC nested if-elseC if-else-ifC switch-caseC if vs switch-caseC LoopsC while loopC do-while loopC while vs do-whileC for loopC for vs WhileC Nested LoopsC Jump Control structuresC break statementC continue statementC goto statementC continue vs goto statementC return statementC goto vs return statement  C - Control Statements Practice Test.1  C - Control Statements Practice Test.2  C - Control Statements Practice Test.3
C FunctionsC Advantages of Using FunctionsC Function PrototypeC Basic Function DesignsC Programs Using FunctionsC ScopeC Local Variable and Global VariableWhy int main() return 03 Place to declare functionsC RecursionC Base Condition in RecursionC Iteration vs RecursionC Stack Overflow Error in RecursionC Nested functionsC Variable Length Number of ArgumentsC Parameter Passing – Call by value and Call by RefC Passing Strings to FunctionsImplementation of square() functionImplementation of factorial() functionImplementation of pow(x, n) functionImplementation of reverse(int) functionImplementation of countDigits(int) functionImplementation of palindrome(int) functionImplementation of primeNumber(int) function  C - Functions Practice Test.1  C - Functions Practice Test.2
What is Array?One dimensional ArrayAccessing element of 1D arrayReading and displaying elementsPrograms on 1D ArraysTwo Dimensional ArrayAccessing Element of 2D ArrayReading and Displaying ElementsPrograms on 2D ArraysPassing 1D arrays to FunctionsPassing 2D arrays to FunctionsThree Dimensional Array  C - Array Practice Test.1  C - Array Practice Test.2
Strings in CStoring StringsC The String DelimiterC String Literals (String Constants)C Strings vs. CharactersC Declaring and Initialization of StringsC Strings and the Assignment OperatorC String Input Functions / Reading StringsC String Output Functions / Writing StringsC fscanf() and fprintf() FunctionsC Single Character Library FunctionsC String Manipulation Library FunctionsC Programs Using Character ArraysC Array of StringsC Programs Using Array of Strings  C - Strings Practice Test.1  C - Strings Practice Test.2
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C - Operators Practice Test.3

  1. What is an expression in C?

    A) A statement that performs an action

    B) A combination of variables, operators, and constants that evaluates to a value

    C) A loop construct used for iteration

    D) A function definition

    Answer: B) A combination of variables, operators, and constants that evaluates to a value

  2. Which of the following is NOT a valid C expression?

    A) `x + y`

    B) `5 * 3 - 2`

    C) `int a;`

    D) `x == y`

    Answer: C) `int a;`

  3. In the expression `x = y + 2`, what is the value of `x` if `y` is 5?

    A) 7

    B) 5

    C) 10

    D) It depends on the value of `x`

    Answer: A) 7

  4. What is the result of the expression `7 / 2` in C?

    A) 3.5

    B) 3

    C) 3.0

    D) 4

    Answer: B) 3

  5. Which operator is used for assigning a value to a variable in C?

    A) `+`

    B) `-`

    C) `=`

    D) `==`

    Answer: C) `=`

  6. What is the purpose of parentheses in expressions?

    A) They are used to comment out parts of the expression.

    B) They are used for multiplication.

    C) They specify the order of evaluation.

    D) They indicate bitwise operations.

    Answer: C) They specify the order of evaluation.

  7. Which of the following expressions is equivalent to `x = x + 1` in C?

    A) `x += 1`

    B) `x -= 1`

    C) `x *= 1`

    D) `x /= 1`

    Answer: A) `x += 1`

  8. What is the value of the expression `5 % 2` in C?

    A) 2.5

    B) 2

    C) 1

    D) 0

    Answer: C) 1

  9. In C, what does the `sizeof` operator return?

    A) The size of a variable in bytes

    B) The address of a variable

    C) The value of a variable

    D) The result of a mathematical expression

    Answer: A) The size of a variable in bytes

  10. What is the value of the expression `(x > y) ? x : y` if `x` is 8 and `y` is 10?

    A) 8

    B) 10

    C) 0

    D) 1

    Answer: B) 10

  11. In C, what is the result of the expression `5 + 3 * 2`?

    A) 10

    B) 11

    C) 16

    D) 26

    Answer: B) 11

  12. What is the order of evaluation for the expression `a + b * c` in C?

    A) `a`, `b`, `c`

    B) `b`, `c`, `a`

    C) `c`, `b`, `a`

    D) It depends on the compiler

    Answer: B) `b`, `c`, `a`

  13. In the expression `x = y * 2`, if `y` is 5, what is the value assigned to `x`?

    A) 10

    B) 5

    C) 2

    D) It depends on the previous value of `x`

    Answer: A) 10

  14. What is the result of the expression `10 / 3` in C?

    A) 3

    B) 3.33

    C) 3.0

    D) 3.3333333333...

    Answer: C) 3.0

  15. What is the order of evaluation for the expression `a = b + c - d * e` in C?

    A) `d`, `e`, `b`, `c`, `a`

    B) `b`, `c`, `d`, `e`, `a`

    C) `d`, `e`, `a`, `b`, `c`

    D) It depends on the parentheses

    Answer: A) `d`, `e`, `b`, `c`, `a`

  16. In C, what is the result of the expression `(7 + 3) * 2`?

    A) 14

    B) 20

    C) 10

    D) 26

    Answer: B) 20

  17. Which of the following expressions is evaluated first in C?

    A) Multiplication

    B) Division

    C) Addition

    D) Subtraction

    Answer: A) Multiplication

  18. What is the value of the expression `10 % 3` in C?

    A) 0

    B) 1

    C) 2

    D) 3

    Answer: B) 1

  19. In the expression `x += 3`, what does the `+=` operator do?

    A) Subtracts 3 from `x`

    B) Multiplies `x` by 3

    C) Adds 3 to `x`

    D) Divides `x` by 3

    Answer: C) Adds 3 to `x`

  20. What is the result of the expression `5 + 2 * 3 - 4 / 2` in C?

    A) 6

    B) 7

    C) 5

    D) 8

    Answer: B) 7

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