The binary number 10101 is equivalent to decimal number ___________.
A. 19
B. 12
C. 27
D. 21
Answer: Option D
This Question Belongs to Electronics And Communications Engineering >> Digital Electronics
Join The Discussion
Comments ( 1 )
Related Questions on Digital Electronics
In which of the following base systems is 123 not a valid number?
A. Base 10
B. Base 16
C. Base 8
D. Base 3
To convert multiply the numbers individually with 2^n where n changes accordingly to place value of the number
(10101) = (2^×1) + (0×2^1) + (1×2^2) + (0×2^3) +
(1×2^4)
= 1 + 0 + 4 + 0 + 16
= 21