STUPIDSID
1(a)
Bring out the differences between system software application software with examples.
5 M
1(b)
Write the program in both SIC and SIC/XE to copy a character string 'SYSTEM SOFTWARE' to another character string.
5 M
1(c)
Briefly explain the SIC/XE machine architecture.
10 M
2(a)
Write and explain the algorithm for a pass - 1 of two assembles.
8 M
2(b)
Explain the data structures used in assembler algorithms.
4 M
2(c)
Generate the object code for the source program given below:
| WRREC | START | 105D |
| CLEAR | X | |
| LDT | LENGTH | |
| WLOOP | TD | OUTPUT |
| JEQ | WLOOP | |
| LDCH | BUFFER, X | |
| WD | OUTPUT | |
| TIXR | T | |
| JLDT | WLOOP | |
| RSUB | ||
| OUTPUT | BYTE | X '05' |
| BUFFER | RESB | 400 |
| LENGTH | RESB | 2 |
| END | WRREC |
CLEAR = B4, LDT = 74, TD = E0, JEQ = 30, LDCH = 50, WD = DC, TIXR = B8, JLT = 98, RSUB = 4C, X = 1, T = 5.
8 M
3(a)
Differentiate between literal and immediate operand with example.
5 M
3(b)
Discuss different design options of assembler.
10 M
3(c)
What are control sections? How are they processed?
5 M
4(a)
What is loader? What are its advantages and disadvantages? Explain the boot strap loader with algorithm.
10 M
4(b)
Explain the two-design options of loaders.
10 M
5(a)
List the task by document linking process in an interactive system.
4 M
5(b)
Explain the structure of a text editor with a diagram.
10 M
5(c)
Explain the functions and capabilities of an interactive debugging system.
6 M
6(a)
Explain the data structures involved in macro-processor algorithm.
6 M
6(b)
Briefly explain the machine - Independent macro - processor features.
10 M
6(c)
Write a note on MASM macro--processor.
4 M
7(a)
Explain the structure of a LEX program with example.
6 M
7(b)
What is regular expression? Explain any 8 characteristics that from a regular expression.
8 M
7(c)
List any 3 LEX - YACC variables and functions.
6 M
8(a)
Write a YACC program ti recognize an arithmetic expression involving operations +, -, *, /.
8 M
8(b)
What is shift reduce parsing? Explain with an example.
6 M
8(c)
Differentiate between LEX and YACC.
6 M
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