Multiple choice

How many wires are threaded through the cores in a coincident-current core memory?

  1. 2

  2. 4

  3. 8

  4. 16

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

In coincident-current core memory, each core is threaded by 4 wires: 2 X wires (row selection), 2 Y wires (column selection), plus sense and inhibit lines that can be shared. The total unique wires passing through cores is 8 when counting all signal paths.