**Question: Computer use the _______ number system to store data and perform calculations.**

(1) Binary

(2) octal

(3) decimal

(4) hexadecimal

(5) None of these

**Answer: (1) Binary**

**Question: Computer use the _______ number system to store data and perform calculations.**

(1) Binary

(2) octal

(3) decimal

(4) hexadecimal

(5) None of these

**Answer: (1) Binary**

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