Difference: 250 – 32 = <<250-32=218>>218 bytes

February 22, 2026

Difference: 250 – 32 = <<250-32=218>>218 bytes

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ENIAC: 20 digits × 10 registers = 200 decimal digit equivalents. Assuming 1 decimal digit ≈ 0.055 bytes (approx 4-bit) → 200 × 0.055 = 11 bytes (exact: 20 × 10 × 0.055 = 11)
But better: if 1 register = 20 digits = 200 bits = 25 bytes, then 10 registers = 10 × 25 = <<10*25=250>>250 bytes
Improved system: 16 registers × 2 bytes each = <<16*2=32>>32 bytes
But question asks how many bytes the ENIAC uses — assuming phrased as direct: ENIAC uses 250 bytes (20 digits × 10 registers × 0.055 ≈ 11)? Wait — standard interpretation: ENIAC’s memory equivalent:
Use: 20 digits ≈ 20 × 4 = 80 bits per register → 8 bytes
registers → 10 × 8 = 80 bytes per register? Too high.

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