STUPIDSID
1 (a)
What is the system software? Compare system software with application software and given couple of examples.
4 M
1 (b)
Explain the instruction formats and addressing modes of SIC/XE machine architecture.
10 M
1 (c)
Sippose the ALPHA is an array of 100 words. Write a sequence of instructions for SIC/XE to set all 100 elements of the array to ZERO. Use immediate addressing and registar to register addressing to make the process as efficient as possible.
6 M
2 (a)
What are the fundamental funtions that any assembler must perform? With a sutaible example, explain any six assembler directives.
10 M
2 (b)
Write an algorithm for PASS-1 of two pass assembler and explain with an example.
10 M
3 (a)
What is literal? What are differences between literal and immediate operand.
4 M
3 (b)
What are program blocks? With a suitable example, explain how program blocks are handled by an assembler.
6 M
3 (c)
Give the format of the following records necessary to obtain objects code:
(i) Define record (ii) Refer record (iii) Modification records (revised)
(i) Define record (ii) Refer record (iii) Modification records (revised)
10 M
4 (a)
What is loader? What are the basic functions the loader has to perform?
4 M
4 (b)
What is relocation? Explain the methods for specifying relocation as a per of object program.
8 M
4 (c)
Explain the working of linkage editor and linkage loader.
8 M
5 (a)
Explain the different task to be accopmlished b a text editor for an interactive user computer dialogue.
1 M
5 (b)
With a neat diagram, explain the working of a typical editor structure.
10 M
6 (a)
What is MACRO? Briefly discuss various data structures required for a design of MACRO PROCESSOR.
8 M
6 (b)
With regrad to machine independent macroprocessor feature, explain the followings:
(i) Concatenation of MACRO parameters
(ii) Generation of unique labels
(iii) Conditional MACRO expansion
(iv) Keyword macro parameters
(i) Concatenation of MACRO parameters
(ii) Generation of unique labels
(iii) Conditional MACRO expansion
(iv) Keyword macro parameters
12 M
7 (a)
Discuss the character that used in the meta language as part of standard ASCII character set used in UNIX operating system.
8 M
7 (b)
What is LEX? Explain the LEX specification format.
6 M
7 (c)
Write a LEX program to indentify the decimal numbers.
6 M
8 (a)
What is YACC? Explain the different sections used in writing the YACC specification.
10 M
8 (b)
Write a YACC program to function as a calculator which performs addition, subtraction, multiplication, division and unary operations.
10 M
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