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CBSE Class 11 Computer Science Question 3 of 68

Data Representation and Boolean Logic — Question 3

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Question

Question 3

Assertion (A): The base/radix of Octal number system is 8 because it has 8 digits.

Reasoning (R): 342289 is an octal number.

  1. Both A and R are true and R is the correct explanation of A.
  2. Both A and R are true but R is not the correct explanation of A.
  3. A is true but R is false.
  4. A is false but R is true.
Answer

A is true but R is false.

Explanation
The base of the octal number system is 8 because it has only 8 digits (0 to 7). The number 342289 is not an octal number because the octal number system only allows digits from 0 to 7, and 342289 contains digits outside this range (8 and 9).