Q1. Which one is correct? <br/>1. All the phones are outdated. <br/>2. All phones are outdated. <br/>3. All of the phones are outdated. <br/><br/>Q2. Is the word "Signage" a countable noun or uncountable noun? <br/><br/>Function: noun <br/>Date: 1976 <br/>: signs (as of identification, warning, or direction) or a system of such signs <br/><br/>Q3. Which one is better? <br/>1. All the signage is outdated. <br/>2. All the signage are outdated. <br/>3. All signage is outdated. <br/>4. All signage are outdated.