MCA (Science) (Semester III) (CBCS) Examination, 2017
System Software
Day Date: Saturday, 22-04-2017 Max. Marks: 70
Time: 02.30 AM to 05.00 PM
Instruction
Q.NO.1 and 2 are compulsory.
Attempt any 3 questions from Q.No3 to Q.No.7.
Figure to the right indicates full marks.
Q.1 Choose the Correct Alternatives 10
Translate for low level programming language were termed as
Assembler Complier Loader Linker
Symbolic names can be associated with
Information Phase library
Operand Data or instruction
The translator which perform macro expansion is called
Macro processor Macro pre processor
Micro pre processor Mnemonic operation
Program in execution is called
Process Instruction Procedure Function
An assembler is
Programming language dependent Syntax dependent
Machine dependent Data dependent
The expansion of nested macro cal follows
FIFO rule LIFO rule
LILO rule Priority rule
A linker program
Places the program in the memory for the purpose of
execution.
Relocates the program to execute from the specific memory
area allocated to it.
Links the program with other programs needed for its
execution.
Interfaces the program.
Macro processor is an inbuilt function of
Loader Editor Linker Assembler
Page 1 of 2
Which of the following is not a type of assembler?
one pass two pass
three pass load and go
10) A Lex compiler generates?
Lex object code Transition tables
C Tokens None of above
Write whether true or false. 04
Performing LC processing is a part of synthesis phase.
The syntax of the assembler directive EQU is <symbol> EQU
<address space>.
Action implementing instructions meaning are actually carried
out by instruction execution.
A set of technologies that allow to execute a program which is
not entirely in memory is called virtual memory.
Q.2 Answer the following
Write a short note on 08
MSAM macro processor
Machine independent loader
Answer the following 06
Explain in brief N-pass complier
Explain Basic loader function briefly.
Q.3 Answer the following.
What is parsing? Write down the drawback of top down parsing 07
Discuss the various machine independent assembler features. 07
Q.4 Answer the following.
With the help of VAX architecture explain CISC machine. 07
Differentiate SIC, SIC/XE, CISC and RISC machine. 07
Q.5 Answer the following.
Discuss machine-dependent assembler feature.
Explain MS-DOS linker and SUN OS Linker. 07
07
Q.6 Answer the following.
Discuss MACRO PROCESSOR Design Options 07
Explain YACC compiler 07
Q.7 Answer the following.
Explain machine independent macro processor feature 07
Write the difference between system software and application
software.