Section I
Q-1 (a) What do you understand by system programming? Explain different types of system software in brief. 3
(b) In an assembly language program, a certain action is required at 10 places in the program. Under what conditions would you code this action as (1) macro (2) a subroutine ? Justify your answer with the help of appropriate example. 4
(c) What is the difference between ORIGIN and START statement in an assembly level program. How are they processed by the assembler? 3
Q-2 (a) Discuss the problem of deletion of entries in the sequential search organization. 5
(b) A compiler typically generates a.OBJ file, which is later converted into a.EXE or a.COM file. Clearly
describe the difference between three files. 4
(c) Discuss the problems encountered during the single pass assembly. 6
OR
Q-2 (a) Draw flow chart or state the algorithm of PASS-I of the assembler and explain it. 9
(b) Explain the overlay technique. 3
(c) Explain bottom up parsing. 3
Section II
Q-3 (a) Give an example of following conditions in terms of code optimization. 4
· Elimination of common subexpression
· Strength reduction
(b) Write the difference between formal parameters, keyword parameters and actual parameters. 4
(c) Write advantages of block structured language. Explain allocation and access of local and non-local
variable for a block structured language. 5
Q-4 (a) Self relocating programs are more efficient than relocatable programs in all respects. Comment on the
validity of the statement and justify your comment. 4
(b) List the difference between character device driver and block device driver. 4
(c) Explain the entry format for the Macro name table MNT. 4
OR
Q-4 (a) Write the classification of a grammer. 4
(b) Discuss the lexical analysis & syntax analysis phase of a compiler. 4
(c) Explain synthesis phase of a compiler. 4
