LZECE431_WK10A

What will be the output of this code?

• a) Value after squareByValue: 5

• b) Value after squareByValue: 10

• c) Value after squareByValue: 25

• d) Compilation error

What will be the output of this code?

• a) Value after squareByPointer: 5

• b) Value after squareByPointer: 10

• c) Value after squareByPointer: 25

• d) Compilation error

What will be the output of the above code?

• a) Value after squareByReference: 5

• b) Value after squareByReference: 10

• c) Value after squareByReference: 25

• d) Compilation error

What will be the output of the above code?

• a) Value at index 0 after modifyArrayByValue: 1

• b) Value at index 0 after modifyArrayByValue: 10

• c) Value at index 0 after modifyArrayByValue: 2

• d) Compilation error

What will be the output of the above code?

• a) Value at index 0 after modifyArrayByReference: 1

• b) Value at index 0 after modifyArrayByReference: 10

• c) Value at index 0 after modifyArrayByReference: 2

• d) Compilation error

What does the above C++ code do?

• a) Reads data from the file "data.txt"

• b) Appends data to the file "data.txt"

• c) Creates and writes "Hello, File Processing!" to the file "data.txt"

• d) Opens the file "data.txt" for reading

What is the purpose of the above C++ code?

• a) Reads a single character from the file "numbers.txt"

• b) Reads an integer from the file "numbers.txt" and prints it

• c) Appends an integer to the file "numbers.txt"

• d) Creates a new file "numbers.txt"

What is the output of the above C++ code?

Note that the content of the data.text file is not empty.

• a) File content: Hello, File Processing!

• b) File content: data.txt

• c) File content:

• d) Compilation error

What will be the content of the file "numbers.txt" after executing the above C++ code?

• a) 1 2 3 4 5

• b) 5 4 3 2 1

• c) 12345

• d) Compilation error

What does the above C++ code do?

• a) Opens the file "nonexistent.txt" for reading

• b) Creates a new file "nonexistent.txt"

• c) Checks if the file "nonexistent.txt" exists and prints a message if not

• d) Reads the contents of the file "nonexistent.txt"