JN0-102 · Question #274
What represents the decimal equivalence of 11100111?
The correct answer is D. 231. This question requires converting the 8-bit binary number 11100111 to its decimal equivalent.
Question
What represents the decimal equivalence of 11100111?
Options
- A195
- B223
- C230
- D231
How the community answered
(29 responses)- A3% (1)
- C7% (2)
- D90% (26)
Why each option
This question requires converting the 8-bit binary number 11100111 to its decimal equivalent.
195 is the decimal equivalent of 11000011.
223 is the decimal equivalent of 11011111.
230 is the decimal equivalent of 11100110.
The binary number 11100111 is converted to decimal by summing the products of each bit by its corresponding power of 2 (from right to left, starting with 2^0). This calculation yields (1*128) + (1*64) + (1*32) + (0*16) + (0*8) + (1*4) + (1*2) + (1*1) = 128 + 64 + 32 + 4 + 2 + 1 = 231.
Concept tested: Binary to decimal conversion
Source: https://learn.microsoft.com/en-us/windows/win32/wintun/binary-numbers
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