25 Select the correct answer.
Which example sets a constraint to validate user input?
Ο Α.
name field disallows numbers
OB.
email field accepts only numbers
O C.
address field should be less than 30 characters
OD. zip code accepts letters
O E.
phone number accepts letters
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Which of the following has not been attributed at least in part to social media a. drug addiction b. depression c. kidnapping d. murder

These factors limit the ability to attach files to e-mail messages. location of sender recipient's ability to open file size of file type of operating system used

Write a program that prints the day number of the year, given the date in the form month-day-year. for example, if the input is 1-1-2006, the day number is 1; if the input is 12-25-2006, the day number is 359. the program should check for a leap year. a year is a leap year if it is divisible by 4, but not divisible by 100. for example, 1992 and 2008 are divisible by 4, but not by 100. a year that is divisible by 100 is a leap year if it is also divisible by 400. for example, 1600 and 2000 are divisible by 400. however, 1800 is not a leap year because 1800 is not divisible by 400.