West Bengal Institute of Technology (WBIT) 2008-2nd Sem B.Tech Electronics and Communications Engineering Electronics
i
CS/r.TBOK e IK; 2/C8 -Ca/O.
BNGINJEfcJNG at MANAGEMENT EXAMINATIONS, JUNE INTRODUCTION TO COMPUTING SEMESTER-2
- 2006
Tima : 3 Hours ]
Full Marks : 70
GROUP - A ( Multiple Choice Type Questious )
Choose the correct alternatives for any ten of the following :
i) RAM stands fur
a) Rec.dw:te Access Memory
c) ;*a,ido! Access Memory
ii) Opti Kciiig syacem is a) application software c) both of these
ill) ALU is a part of a) memory c) ;nj. 4i cl. vice v; The outpaL of the following code is : for (1= I ;i<=5;!! +
{
If (i%2)
comiaue; printf("%d", 1);
10 x 1 * 10
1.
Read Access Memory None of 'these.
system software none of these.
CPU
output device.
b)
d)
b)
d)
b)
d)
}
a) 1 2 3 4 5
C) Z 4
b) 13 5 d) none of these.
v) The output of
int 1-5,
priiiif ("%d %d %d", i, i++, ++i);
is
a 55 7 b) b 6 7
0 7 6 5 d) 7 6 6.
vi) The output of #defiiie SQ(x) x*x void main()
r
int a,b: .
c*~SQ (a+2); .
printt("%d", b);
) is
a) -49 . b) -17
c) 7 d) none of these,
vti) Vv'liicii one of the following is a Bitwise operator ?
a) b) >=
r
c) ' d) &L-:.
viii) The ciiiput of
fact-1;
for (i=l;i<5;i++); '
fe;ct*iact*i;
piiiitlV'%d", fact);
is
a) 24 b) 5
c) \ finite loop d) none of these
C8/IS.TBCH/8!to-2/C8-20!/Ob
5
ix) The output, of /old iuain( )
{ . int arr [6j={20, 25};
printf ("%d %d %ct", arr [2], arr (3J, arr[4]);
! -
' *S ' .
a) 0 0 0 b) 20 25 0
c) 25 0 0 d) none of these.
x) The purpose of mode rs- is to
a) opt a xOi only reauing ,
b) open for only writing
c) open ;o both reaulug and writing
d) none of these.
xi) Pointer is
a) u variable containing the address of a variable
b) a value
c) a memory location .
d) none of these.
xii) A function may contain
a) one return statement
b) two return statements
c) .ao.e than two rca.n statements
C
d) noue of ihase.
GROUP -B (Short Answer Type Questions )
Answer any three of the following.
3x5 = 15
2 a) What are ii*t basic features of an algorithm ?
t Write an algorithm to find largest among three numbers taken as input.
Wnat are the disadvan rages of machine language ?
2
c8/B.racH/8BM-a/cs-aoi/oe D !'
3. With a suitable block diagram, briefly explain the major components and thcu functions of any conventional computer system.
4. u) Write a function power (a,b) to calculate the value of a raised to b
b) What will be the output ?
void fun(int*i, int*j);
int i=5, j=2;
fun(&i,&J);
printf ("\n%d %dM, i, J);
ran (inti, int*])
*i=*i**i;
2 + 3
1
5. a) What is dynamic memory allocation ?
2
L) Write cowr. the differences between mailoc ( ) and calloc ( ).
2
c) Write do At. the differences between structure ana union.
What t.rc ti ciiierences between recursior. and iteration.
6.
b) Write t. reciir&ive C function to calculate factorial of a number.
GROUP -C ( Vong Answer Type Questions j
3-15 - .5
Answer any three of the following questions.
7. a) Write down the differences between compiler and interpreter. 2
b) What is an operating system ? Write down the basic features and opt .<ons of an operating system. 5
c) Perform the following operations :
i) Convert (100110101)2 to octal
ii) Convert (536)8 to hexadecimal ill) Convert (23-78)10 to binary
iv) Subtract (7)l0 (17)10 in binary using 2's coinplcxacnt
8. a) Write a C program to find the largest and smallest among a list of n numbers
5
taken as input.
b) Write a C' program to check whether a string takan as input is a palindrome or
net. 5
c) Write a C i rogram to print the following pattern ( clli n ton*, where n is taker s
input).
1
23 2
34543
4 5 6 7 6 5 4
9. a) Explain call by value and call by reference mechanism for passing axgv Uit .ts
into a fr. iction a function call. Write a C lui.cnoa to svap the values of two
integer variables passed as arguments. Also write die main functin.
fc
[p-s&ariii (4)
C8/B.TECH/8EM-2/CS-201/C8 8 ;
b) Define a structure called cricket that will describe the following information ; Player name team name batting average
f
f
Using cricket, declare an array player with SO elements and write a program :o read the information about all the 50 players and print the name of the piayr; having highest batting average. j
10. a) Write a C program that will receive a filename and a line of text as commas id lino arguments and write the text to the file.
b) Write down the differences between while and do-while.
c) What is type casting ? What is automatic type conversion ? 3
1. a) What is the difference between iterative fuuc-tlon and recursive functior
b) Write a C program to find factorial of a number using iterative function wt ! a recursive function, 3 + ( 6 , 6
END
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H-222811 III
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Attachment: |
| Earning: Approval pending. |
