Object code

Relocation bits

Names and locations of all external symbols defined in the object module ?

Absolute addresses of internal symbols.

Terminal table

Literal table

Identifier table

Reductions

Reallocation

Allocation

Linking

Loading

assemble instruction and generate data

perform processing of assembler directives not done during pass 1

write the object program and assembly listing

all of these

Syntax is generally checked by the programmer.

Semantics is the responsibility of the programmer

Semantics is checked mechanically by a computer.

Both Semantics is the responsibility of the programmer and Semantics is checked mechanically by a computer.