Question

Consider decimal number 1027. This value is stored as a 16-bit two's complement number into addresses 124 and 125 on a little endian machine which has an addressable cell size of one byte. What values (in hexadecimal) are in each of these addresses:
124:  
125:

Answer 1

16 bit representation of 1027 in 16-bit:

00000100 00000011
or in hex: 0x0403

As this is little endian machine, Hence, LEAST significant byte is stored on the first byte.

So, At Address 124 => 0x03
So, At Address 125 => 0x04

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