A device which encodes characters by the depression of keys is known as _____?

A device which encodes characters by the depression of keys is known as _____?

ایک آلہ جو حروف کو چابیاں کے دباؤ سے انکوڈ کرتا ہے اسے _____ کہا جاتا ہے؟
Explanation

Christopher Latham Sholes was an American inventor who invented the QWERTY keyboard.