Questions $4$ and $5$ involve the following table:

Segment No

Base

Length

$1220$

$768$

$1$

$2300$

$1536$

$2$

$90$

$384$

$480$

$512$

$4$

$2000$

$256$

$4.(16$ points $=7+5+4)$ We are using a segmentation model in this question.

a$.$ Draw a memory allocation table.

b$.$

Which of the following logical address will produce trap addressing error? Caiculate the physical address if no trap is produced.

$10,500$

$2.1,1000$

$3.2,388$

$4.3,540$

$5.4,128$

c$.$ Find the logical address corresponding to the following physical addresses:

$1.100$

$2.500$

$3.1000$

$4.3000$