Introduction to C Language Unit-3: Strings and Length

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Questions and Answers

What does the length() function return when applied to the string 'C PROGRAMMING IS FUN'?

  • 18
  • 24
  • 20 (correct)
  • 22

According to the algorithm to calculate the length of a string, what is the initial value of 'I'?

  • 1
  • 0 (correct)
  • I
  • ' '

What is the ASCII code for the uppercase letter 'Z'?

  • 97
  • 90
  • 91 (correct)
  • 64

If the ASCII code for a lowercase character is 105, what will be the ASCII code for the corresponding uppercase character?

<p>137 (B)</p> Signup and view all the answers

What is the result of LENGTH('0') if the function returns the number of characters in a string?

<p>0 (C)</p> Signup and view all the answers

What is the result of LENGTH('') if the function returns the number of characters in a string?

<p>0 (D)</p> Signup and view all the answers

What is the length of the string 'C PROGRAMMING IS FUN'?

<p>20</p> Signup and view all the answers

What is the length of the string '0'?

<p>1</p> Signup and view all the answers

What is the first step in the algorithm to calculate the length of a string?

<p>SET I = 0</p> Signup and view all the answers

What does the length() function return for an empty string?

<p>0</p> Signup and view all the answers

If the ASCII code for the lowercase character is 105, what will be the ASCII code for the corresponding uppercase character?

<p>73</p> Signup and view all the answers

What is the ASCII code for the uppercase letter 'Z'?

<p>90</p> Signup and view all the answers

Flashcards

String

A sequence of characters, such as letters, numbers, or symbols. For example, "Hello World!" is a string.

length() function

Returns the number of characters in a string. For example, length("Hello") would return 5.

Initial value of 'I' in string length algorithm

The initial value of 'I' is 0, indicating the starting point for counting characters in a string.

ASCII code for 'Z'

The ASCII code for the uppercase letter 'Z' is 90. ASCII codes represent characters as numbers.

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Converting lowercase to uppercase ASCII code

The ASCII code for uppercase letters is 32 less than the ASCII code for the corresponding lowercase character.

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Length of a string

Represents the number of characters in a string. In this case, the length of 'C PROGRAMMING IS FUN' is 20.

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Length of string '0'

The length of the string '0' is 1, as it contains one character.

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First step in string length algorithm

The first step to calculate the length of a string involves initializing a counter variable to 0.

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Length of an empty string

The length() function returns 0 for an empty string. This indicates that there are zero characters in it.

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ASCII code for 'Z'

The ASCII code for the uppercase letter 'Z' is 90. ASCII codes represent characters as numbers.

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