Question

what is placeholder in computer

Answer 1

. In computer programming, aplaceholder is a character, word, or string of characters that may be used to take up space until such a time that the space is needed. For example, a programmer may know that she needs a certain number of values or variables, but doesn't yet know what to input
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Answer 2

In computer programming, a placeholderis a character, word, or string of characters that may be used to take up space until such a time that the space is needed. For example, a programmer may know that she needs a certain number of values or variables, but doesn't yet know what to input.