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Programming in C

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Multiple Choice

Which of the given operations of the function is not true for that function?

  1. Getchar() reads one character at a time till the user presses enter.
  2. Putchar() prints one character on the screen, which is read by the standard input.
  3. Getch() reads alphanumeric character from the input device.
  4. Getch() returns the character entered as input is not displayed by it.
  5. All of the above
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