13

14

15

16

17

18

19
20

a)

b)
a)
b)

a)
b)
a)
b)

a)
b)

00000CS303121902

Loc Block

Number

= —

STCH

LENGTH

003F 0
0003 | 1 | LENGTH

BUFFER

RESW

What do you mean by forward reference? How is forward reference handled by a

One-Pass Assembler that generates object code?

Give the pass 1 algorithm of a linking loader.

What are the basic loader functions?

Illustrate the process of dynamic linking.

PART E

Answer any four full questions, each carries10 marks.
What is the difference between macro invocation and subroutine call?

Write the one pass macro processor algorithm.

Explain macro definition and macro expansion.

How does a one pass macroprocessor handle recursive macro expansion? Explain

with example

Explain the following machine independent macro processor features:

i.

11.

Generation of unique labels.

Keyword macro parameters

Describe the general design of a device driver.

Differentiate between character and block device driver.

With the help of a diagram describe the structure of a text editor.

Explain the following methods of debugging:

i.
1.

111.

Induction
Deduction

Backtracking

मैप मैप मैप ‏بد‎

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