Multiple choice technology programming languages

APL is a legacy programming language that quickly fell out of favor due to its unusual characteristics. What was it about APL that made it so strange by today's standards?

  1. You couldn't type APL code using the characters on an ordinary typewriter keyboard

  2. As a Mac OS-only language you couldn't program in APL without using a GUI editor

  3. APL had no concept of strings; text had to be processed and output one character at a time

  4. As the world's only Albanian Programming Language all APL's keywords were based on Albanian

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

APL used a special character set with symbols that couldn't be typed on standard keyboards, requiring specialized input equipment. This made it impractical as keyboards standardized. Option B is wrong (APL predates Mac OS), C is wrong (APL handled strings), and D is a joke.