test a condition during the execution of the expanded program

to expand certain model statements depending upon the value of a condition during the execution of the expanded program

Both (a) and (b)

to expand certain model statements depending upon the value of a condition during the process of macro expansion.

Operation code

Address

Locator

Flip Flop

E (αf+β g) =α E(f) +β E (g)

E (αf +β g )=. ( α+ β )+ E (f + g)

E (αf +β g )=α E (f+gβ)

E (αf +β g )=αβE (f + g)

assign address to all statements in the program

save the values assigned to all labels for use in pass 2

perform some processing of assembler directives

all of these

Terminal table

Literal table

Identifier table

None of these