ss questions only

8/11/2019 SS Questions Only

1/6

CS2304-SYSTEM SOFTWARE

UNIT I-INTRODUCTION

2 MARKS

1. Define system software.

2. Give some applications of operating system.

3. Define compiler and interpreter

4. Define loader

5. What is the need of MA register!

". Draw ## instr$ction format.

%. Give any two differences &etween &ase relative addressing and program co$nter

relative addressing $sed in #'()*+.

,. Define indirect addressing

-. Define immediate addressing

1. /ist o$t any two ('#( and '#( machine.

11. 0ollowing is a memory config$rationAddress al$e egister

1 5 5

5 %

" 5

What is the res$lt of the following statement!

ADD "immediate to indirect

12. 0ollowing is a memory config$ration

Address al$e egister

4 - "5 %

" 2

What is the res$lt of the following statement! #6 4direct to direct

13. What is the name of * and / register in #'( machine and also specify its $se

14. What are the instr$ction formats $sed in #'()*+ architect$re! Give any one format.

15. (onsider the instr$ctions in #'() *+ programming

1 1 /+7G89 +#W 4

2 ::::: 7+W W;D 3

What is the val$e assign to the sym&ol 7+W

1". What is the difference &etween the instr$ctions /DA < 3 and /DA 89++!

1%. Differentiate trailing n$meric and leading separate n$meric.

1,. What are the addressing modes $sed in A* architect$re!

1-. 9ow do yo$ calc$late the act$al address in the case of register indirect with

immediate inde= mode!

2. Write the se>$ence of instr$ctions to perform the operation 6+8A ? A/@9A 1

$sing #'( instr$ctions

21. Write the se>$ence of instr$ctions to perform the operation 6+8A ? A/@9A5 $sing

#'()*+ instr$ctions.

22. What is the $se of 8D instr$ction in #'( architect$re!


2/6

16 MARKS

1. +=plain in detailB the architect$re of #'()*+ machine.

2. Write short notes ona. iData formats and 'nstr$ction formats,

&. ii '; programming,3. iWrite a program for #ample inde=ing and looping operation in #'( and #'()*+

machine. 1iiWrite a se>$ence of instr$ctions for #'( to clear a 2 &yte string to all &lanCs."

4. #$ppose alpha is an array of 1 words. Write a se>$ence of instr$ctions for #'(*+ to set

all 1 elements to

5. i Write a se>$ence of instr$ctions for #'( to set A/@9A e>$al to the prod$ct of 6+8Aand GAMMA"

ii With instr$ction formats e=plain the instr$ction set of #'()*+1

". +=plain vario$s addressing modes s$pported &y #'( and #'()*+ with e=amples1"


3/6

UNIT II-ASSEMBLERS

2 MARKS

1. Define the &asic f$nctions of assem&ler.

2. What is meant &y assem&ler directives. Give e=ample.3. What is a forward reference!

4. What are the three different records $sed in o&Eect program!

5. What is the need of #FM8A6sym&ol ta&le in assem&ler!

". What is the need of ;@8A6operation code ta&le in assem&ler!

%. What is the sym&ol defining statement generally $sed in assem&lers!

,. Define relocata&le program.

-. Differentiate a&sol$te e=pression and relative e=pression.

1. Write the steps re>$ired to translate the so$rce program to o&Eect program

11. What is the $se of the varia&le /;((8location co$nter in assem&ler!

12. Define load and go assem&ler.

13. What are the two different types of E$mp statements $sed in MA#M assem&ler!

14. What are the $se of &ase register ta&le in A'* assem&ler!

15. Differentiate the assem&ler directives +#W and +#6.

1". Define modification record and give its format

1%. Write down the pass n$m&ers@A## 1) @A## 2 of the following activities that occ$r

in a two pass assem&ler

a. ;&Eect code generation

&. /iterals added to literal ta&le

c. /isting printed

d. Address location of local sym&ols

1,. What is meant &y machine independent assem&ler feat$res!1-. 9ow the register to register instr$ctions are translated in assem&ler!

2. What is meant &y e=ternal references!

21. Define control section.

22. What is the difference &etween the assem&ler directive +*8+0 and +*8D+0.

23. Give the general format of define record.

24. Give the $se of assem&ler directive (#+(8 and #+

25. What is the $se of the assem&ler directive #8A8.

16 MARKS

1. +=plain the design of one pass assem&ler with re>$ired datastr$ct$res and algorithm.

2. i What are the data str$ct$res $sed in Assem&ler! Disc$ss how these

str$ct$res are

organied!"

ii +=plain the concept of program relocation1

3. Disc$ss in detail design of pass1 of two pass assem&ler.

4. i +=plain in detail the feat$res of MA#M assem&ler for penti$m system ,ii What type of statements cannot &e handled &y a two pass assem&ler and how are

they handled &y a m$ltipass assem&ler,5. +=plain pass2 of two pass assem&ler with algorithm and e=ample

". +=plain vario$s machine independent feat$res of assem&ler


4/6

UNIT III (LOADERS AND LINKERS)

2 MARKS

1. What are the &asic f$nctions of loader!

2. Define a&sol$te loader3. What is meant &y &ootstrap loader!

4. What are relative relocative loaders!

5. What is the $se of modification record!

". What are the 2 different techni>$es $sed for relocation!

%. elocation &it method

,. Define &it masC

-. What is the need of +#8A6!

1. What is the $se of the varia&le @;GADD!

11. Write the two passes of a linCing loader.

12. Define a$tomatic li&rary search.

13. /ist the loader options '7(/D+ HD+/+8+.14. Give the f$nctions of the linCing loader.

15. Give the difference &etween linCing loader and linCage editors.

1". Define dynamic linCing.

1%. write the advantage of dynamic linCing

1,. What is meant &y static e=ec$ta&le and dynamic e=ec$ta&le!

1-. What is shared and private data!

2. Write the a&sol$te loader algorithm.

16 MARKS

1. Write the algorithm for pass1 of a linCing loader and specify the data str$ct$re

$sed &y this loader2. Disc$ss in detail design of pass2 of linCing loader

3. +=plain vario$s loader design options in detail

4. +=plain the different machine independent feat$res of loader5. i Write short notes on a&sol$te loader "

ii +=plain design of a relocating loader with an e=ample 1". iDisc$ss in detail &ootstrap loader. ,

iiWrite notes on M#ID;# /inCer ,


5/6

UNIT IV(MACRO PROCESSORS)

2 MARKS

1. Define macro processor.

2. What do macro e=pansion statements mean!3. What are the directives $sed in macro definition!

4. What are the data str$ct$res $sed in macro processor!

5. Define conditional macro e=pansion.

". What is the $se of macro time varia&le!

%. What are the statements $sed for conditional macro e=pansion!

,. What is meant &y positional parameters!

-. (onsider the macro definition

$e la&els and e=plain how $ni>$e

la&els are generated,

iiDisc$ss in &rief a&o$t the data str$ct$res $sed &y a macro processor,


6/6

UNIT V (TEXT EDITORS)

2 MARKS

1. Define interactive editor!

2. What are the tasCs performed in the editing process!3. What are the three categories of editorNs devices!

4. What is the f$nction performed in editing phase!

5. Define /ocator device

". What is the f$nction performed in voice inp$t device!

%. What are called toCens!

,. 7ame some of typical toCens.

-. What is meant &y le=eme!

1. Mention the main disadvantage of interpreter.

11. What is meant &y code optimiation!

12. What is error handler!

13. 7ame some of te=t editors.14. What for de&$g monitors are $sed!

15. Mention the feat$res of word processors.

1". What are the phases in performing editing process!

1%. Define traveling phase.

1,. 0iltering phase.

1-. +diting phase.

2. Define $ser interface

21. Define inp$t device

22. Define o$tp$t devices

23. What are the methods in 'nteraction lang$age of a te=t editor!

24. Define interactive de&$gging systems

25. Define editor str$ct$re.

2". Give the components of editor str$ct$re

2%. What are the &asic types of comp$ting environments $sed in editors f$nctions!

16 MARKS

1. +=plain the +ditor str$ct$re with a neat diagram.

2. Write short notes ona. 'nteractive de&$gging systems ,

&. 8e=t editors. ,3. Write short notes on

a. ser 'nterface (riteria ,&. 0eat$res that a &asic te=t editor sho$ld posses ,

4. +=plain de&$gging f$nctions and its capa&ilities.5. i9ow are $ser interfaces $sef$l! +=plain,

iiDisc$ss the nat$re of $ser interface for an interactive de&$gger,

". Disc$ss in detail a&o$t 'nteractive de&$gging systems

ss questions only

Documents