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Input Output Operations in C

Authored by SITI SAMDIN

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University

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Input Output Operations in C
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you read input from the user in C?

Use getchar() function in C.

Use printf() function in C.

Use scanf() function in C.

Use gets() function in C.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the function used to write output to the console in C?

display()

print()

printf()

output()

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the scanf() function in C and how it is used for input operations.

The scanf() function in C is used for input operations by reading formatted input from the standard input stream and storing the data into specified variables.

The scanf() function in C is used for output operations by writing formatted output to the standard output stream.

scanf() function in C is used for input operations by reading unformatted input from the standard input stream.

scanf() function in C is used for input operations by reading formatted input from the standard output stream.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Discuss the printf() function in C and its role in output operations.

printf() function in C is used for input operations.

printf() function in C is used for formatted output operations.

printf() function in C is used for looping operations.

printf() function in C is used for memory allocation.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the getchar() function in C?

To write a single character to the standard output (screen)

To read a single character from the standard input (keyboard)

To check if a character is a vowel

To perform mathematical calculations

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you display a character on the console using putchar() function in C?

putchar('C')

putchar('A')

putchar('B')

putchar('D')

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Explain the gets() function in C and its drawbacks.

The gets() function is a secure way to read user input in C.

The gets() function reads characters from stdin until a newline character is encountered, storing them in the buffer pointed to by the input parameter. It does not check the size of the input, making it unsafe to use as it can overwrite memory beyond the allocated buffer.

The gets() function reads integers from stdin until a newline character is encountered.

The gets() function automatically allocates memory for the input buffer.

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