An American Standard Code for Information Interchange (ASCII) file defines up to , a. 64 b. 128 c. 256 d. 1024

The American Standard Code for Information Interchange (ASCII) is a character encoding standard used for representing text in computers and other devices that use text. **Standard ASCII** uses **7 bits**, allowing it to define **128 distinct characters**. These include: - Control characters (0–31 and 127) - Printable characters (32–126), which encompass letters, digits, punctuation marks, and a few other symbols. While there are **extended ASCII** versions that use 8 bits to define **256 characters**, the original ASCII standard specifically defines up to **128** characters. **Correct Answer:** **b. 128**