The pre-computing age device which made use of beads and frames is?

COMPUTER
WAEC 2018

The pre-computing age device which made use of beads and frames is?

  • A. Abacus
  • B. Napier's bone
  • C. Liebnitz multiplier
  • D. Burrough's counting device

Correct Answer: A. Abacus



Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *
Add Math
Don't want to keep filling in name and email whenever you make a contribution? Register or login to make contributing easier.