Question

what is the name for the base-2 system used by computers to represent data?

a. unicode

b. binary code

c. decimal code

d. hexadecimal code

Explanation:

• Option A: Unicode is a character encoding standard, not a base - 2 system.
• Option B: Binary code is a base - 2 (using only 0 and 1) number system, which is what computers use to represent data.
• Option C: Decimal code is a base - 10 system (using digits 0 - 9), not used by computers as the primary data - representation system at the hardware level.
• Option D: Hexadecimal code is a base - 16 system, used for a more compact representation of binary data but not the base - 2 system itself.

Answer:

B. Binary code