different between qword vs quadword

English

qword (plural qwords)

(computing) A quadword.
- 1991, William B. Giles, Assembly language programming for the Intel 80XXX family
  On line 7, "X" and "Y" are defined to be qwords. Therefore, each is eight bytes long — the size of a double in C.

quad- +? word

quadword (plural quadwords)

(computing) A numerical value of four times the magnitude of a word, thus 64 bits on a 16-bit architecture.

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