BCA Computer Concept & C Programming SEMESTER -1 St Assignment

BCA -SEMESTER 1 c

COMPUTER CONCEPT ~ C PROGRAMMING
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1.c Ques: What is the difference between declaration and initialization? Explain with example.cc
c
 c
 c c c
c
 cc
c c

 cM

cc

c 
c 
c cc 
ccc
cc
c

 c c c

 c  
c  cc cc

c cc

c
c

c c
cc
 
cc  cccc

c
c 

c
ccc c

cc
 c!c  ccc 
c cc  ccc  " c
 c c
c  cc
cc c
c M  
 c

cc
c
cc  ccc cc 
cc c
 
#$%cc

c
c 

c
cc

c
cc
c
c$%cc  " c!cc

c$cc

c


c &'c  c#c cc (c c c
c
 c c " c c
c
c
!cc  cc#c$c 
c c#c&'c  cc#c cc

D. Ques: What is conditional operator? using conditional operator find a smallest number among two numbers.

Ans: The Conditional operator V c 

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cc
c
c
c cc c 

c
 cc ccc

6
 c6
6


! c6
6
"cc6
#cc
 $cc V ccc % c c c6
 
cc
 $c
c
c&c'c c c 
c6
"c
ccc c ccc c
$c(c6

c 'c 6

ccc
 cc c ccc c
$c)c'c
c  c
c  cc **cc "**cc +cc (c
c'cc
cc
c ccc$cV
ccc
c
c c
$$$, c  c c cc

c
+cc cc

cc #cc

[. Ques: What are the commonly used input/output functions in C? How are they accessed.

Ans:c À
c 
c 
 c 

c  c 
c c  
c c   
c  c 
c  c   c c  
c  c)*+c
 c c c
-c 
 c
c cc c *c   !cc 
 c*'c c*'c c*'c c*'c
c*c,cc*cc 
 c*'c c*'c c*'c c*'c
c*c cc*c
c
c

  c
c c   c cc-

c  c
c
cc 
cc   c
.

c
c 
c c
c  c c

c
 c*c c c*c
c
c.c  cc
c c.
c 
c  
c c*c c c*c
c
c.c 
c c  c-

c  c c  
c 
c 
c
c c cc.
c
c%c cc%c  c
c
cc  
c c c*'c c*'c
c*c cc*c  c
c
c c 

c

 cc

-

c  c c
c

c.  cc c c  c
c

c
c cc

A



  

 

 
  
cc


c-
c
c

c  c
c 


c c

c c

 c c
c 
 cc   cc
c

c
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c c
c!/cc c 0 
c
c

cc "cc

c

cc #c 1

ccc

c

cc

V cÚ
cc -
c 
c. cc  c
c c.ccc cc. c c
c

c.  c cc  
c c2c2
c !cc )3c +cc

c#c cc 4
cc c 5c2 .c ccc.c c
c
 cc c. c 
c

cc cc cc

c  c'cc
c
cc$cc

,c.ccc c cccc
cc /c
c0c 
$ c3c 
c
ccc 1cc
ccc 
cVccc c2'c,ccc
cc0c*c-3c %c  c cc
cc
cc3-cc cc4cc-3c(c
c
c
c cc
c
c

$c3c-c 
cV c cc
c2cc5'ccc 6cc

V cÚ
 cc ( c
c 

c  cc  c  cc
 c

c
c c
7c.  ccc
c


cc
c  cc c
c8

cc c
 
!cc ) c3c%+cc 

cc cc cc

c9cc  )7 5c 
c

: 7+cc 

c#c%cc

c

Nesting of Ú c  cc

( c c
cc cc
c c

c $c)c c'c
 c
cc
c c cc%
cc ccc c c

c $c)c'c c
cc 
c
ccc
 c
 c c
 c6cc c c c %
c
'c  ccccc
 c
c

c
c c %
c 'ccc cc
 c
c

c
c  c %
c cc

Example:
+c*cc 1cc
c+c*cc 
c7  $5cc c

 cc


  $5cc

c 6 cc  cc

>

1cc

>


+c*cc

>


7c  $c5ccc

>

 cc

>

8cc


  $c5cc

! cc cc
c ccc c

c 'c
 cccc
cc c 

c c1c8'c c  'cc%c
cc ccccc c
c  c  c  cc
 c c c
 c
 c
$c( c ccc
cc
c c
 c 'c c c  'cc%c ccccc  $c! cc c9c c

cc%c  cc
cccc cc c  'cc c
c  cc 
cc c

c
cc
 c
c 
c6
cc
c 
c
$cV 'cc c cc%c c c c
c
c
 $cc

l. Ques: Explain with general syntax the switch statement. Ans: The switch statement V cswitch case  ccc  
cccif  c ccc
cc c
c c
c cc
c c ccc c cc
'c  c c ccccchar). V c
ccc
cswitch case
c
c $cV c cc c
c
c
cswitch
ccc cc
c cc c  'cc

ccc  c ccc c
'c cc
 c
c c cc c
$cc

>


 cc0
+cc1c

c

 c
:cc

ccc
c0
+cc
:c %cc  c :cc

ccc
c0
+cc :c %cc

cc

ccc
c0
+c cc6c cc
ccc c  cc %cc

8cc

ƒ. Ques: Write a recursive program to solve Towers of Hanoi problem. Ans: c /
0 
$ +c 
cc 1cc 
c;
c<

'c 'c 'c c
c cc 

cV  cc<
55c 

c< cc
% c 2'c=cc 
5cc ; 
c<
'c > 'c ; 'c cc 8cc 
c;
c<

c'c c'c c'c ccc 1cc

 V cc
% ccccc c c  ccc
% cc 

cc  

cc c c  1cc
+?1cc

 c:(c
% cc

ccc  ;
c@c<
:c'c'c'ccc

 c c
%cc

cc 

c  
cAc
%c2cc2cc25'c'c'ccc

 c:(c
% cccc 

c  ;
@<
:'c'c'ccc 6cc

cc

8cc

å. Ques: Explain single dimensional and two dimensional array concepts. Ans: ›   
  
c'c  cc
c
c
 c c
cc
c
cc  cc
c
'cc
'cccint. It
c c
ccccîî c c $cV c
cc
cB(?Ccc  c c 'c c 'c 

c c  'c  c c c int. 
c %
'c c c
cc
c cc cc cc$c9c 
c
 cc c c c  c
cccc
c
cc
cc
cÃ
Ã
  c
cc


cc

cc cc
 c
c 
 $c!cc c c ccc
 cc
c
%c
cc

c  cc c Multidimensional Arrays or Two dimensional V c cc c ccc

ccc
$c(c
c 
'c c
c%cc %cc :

c $c?cc c cc

 ccc c

c c
 c
c c ccc
$c(c 'c c :

c
cccc c  cc
ccB#cCcBDCcc )
c
c c cc
c c c c



&
c :

c $cc
cB#CBDCcc1c 1E'F'D' 'G'H8'cc 1(c'F'D'G'"'E8'cc 1*'E'E'#''c8cc 8cc  c cc c
%c cc BCcBECc:"cc
cB"CBCc+c*c1cc 
,cB"CBCc
c2'cB"CB(Ccc 6cc

;c 'c
%c
c 'c :

c cccc?$c V 'c ccc  c cccB*CcB*CcccB"CcBFC$cc m. Ques: Write a program to illustrate the concept of extern variable. Ans: Vcc c c
cc
cc c
ccexternvariables.h
c

c****cc cF$Fcc

ccccc
c
"cc

c >

>

cccccc
 cc cccccVcc c c
cc
cc c c
ccdemoexternvar.c c/
0 
$ +cc /
c
 $ c  c c
c c cc
 cc
c cc
c $c3c


ccc

1cc  c
 cc c
 c
 cc
c
c
 $ c  c
c

cc cccc c
c
cc cc
 cc

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 c

33
c**$*cc 
( 25'c
 cc 8cc