Question

A 16-bit register contains a value. the value 0x75a2 is written into it. can the original value be recovered (yes or no)?

Answer 1

The given value of 0x75a2 is the hexadecimal representation of the value or number.

The base of the HEX system is 16, and the first 16 numbers are named
0,1,2,3,4,5,6,7,8,9,a,b,c,d,e,f

In the decimal system, the given number is
(2 x 10⁰) + (10 x 16¹) + (5 x 16²) + (7 x 16³)
= 2 + 160 + 1280 + 28672
= 30114

Answer: 
The original value can be recovered, and it is 30114.