there/ computer? (yes) there/ radio? (no) there/ children? (yes) there/chairs? (no) there/ books? (yes)

1. Is there a computer? - Yes, there is.2. Is there a radio? - No, there isn't.3. Are there any children? - Yes, there are.4. Are there any chairs? - No, there aren't.5. Are there any book? - Yes, there are.