2011 Global Edge Placement Paper - II with Answers and Solutions:-

1. main()
{
int *p ;
p=(int *)malloc(-10);
}

a) allocates 0 bytes
b) allocates memory, if available
c) compilation error
d) Runtime error
 

Ans) b

2. main()
{
for( printf("a") ; printf("b") ; printf("c") ) ;
}

a) abc
b) abc abc abc .....(infinite times)
c) a bc bc bc ....(infinite times)
d) Error
 

Ans) c

3. main()
{
int i= 10 * fun() ;
printf("%d",i);
}


fun()
{
return 10 ;
}

a) 0
b) 10
c) 100
d) Error

Ans) c

4.
int i= 10 * fun() ;
main()
{
printf("%d",i) ;
}

fun()
{
return 10 ;
}

a) 0
b) 10
c) 100
d) Error

Ans) d

5. Assume size of int to be 2 bytes :

main()
{
int i = 100 ;
printf("%d ", sizeof(i++));
printf("%d ",i) ;
}

a) 2 100
b) 2 101
c) 100 101
d) 101 100

Ans) a

6.what is the o/p of the following programme?
void main()
{
int i,count=0;
char *p1="abcdefghij";
char *p2="alcmenfoip";

for(i=0;i<=strlen(p1);i++) {
if(*p1++ == *p2++)
count+=5;
else
count-=3;
}
printf("count=%d\n",count);
}

a. 15
b. 6
c. 12
d. compiler error

answer: b ( note : strlen(p1) == i when i=6)

7.what does main return on successful execution?

a. 1
b. 0
c. -1
d.Nonzero

answer:b

8. main(int argc,char *argv[])
{
printf((argc > 1 ? "%c" : "%c",*++argv);
}
If the i/p string is "GESL Bangalore".

a. G
b. E
c. B
d. GESL

answer: c

9. How do u declare a pointer to an array of pointers to int?

a. int *a[5];
b. int **a[5];
c. int *(*a)[5];
d. u con not declare

answer: c

10. Real Time OS uses

a. RISC processor
b. CISC processor
c. SISC processor
d. Any of the above

Answer: a

10.Race condition could be overcome using

a. A global variable
b. A local variable
c. Mutex
d. All of the above

11.Repeaters are in

a. Data link layer
b. Physical layer
c. Network layer
d. Transport layer

Answer: b

12.Telecom Networking uses

a. Packet switching
b. Circuit switching
c. Message switching
d. Non of the above

Ans : b ( normally )

13.which one of the following is wrong

A. 2's complement(10110) = 01010 B. 4's complement(1230)=2110
C. 8's complement(7436)=1451 @ D. 5's complement(4322)=0123

14.(128)base 10 = (1003)base r, what is the value of r?

A. 3 B. 4
C. 5 @ D. 6

15. In design of instruction set

A. RISC uses more no of instructions. B. CISC uses more no.of instructions @
C. Both uses same no. of instruction. D. RISC uses mor than CISC

16. which phase of the compiler checks lexicographic errors

A. Syntax Phase B. Semantic Phase
C. Lexical Analysis @ D.Code Optimization

17. Random accessing is possible in

A. Read Only Memory(ROM) B. Random Access Memory(RAM)
C. Both RAM and ROM @ D. None of the above.

18. 8086 has

a)16 bit data bus ,16 bit address bus
b)16 bit data bus,32 bit address bus
c)8 bit data bus,16 bit address bus
d)8 bit data bus,8 bit address bus

ans:a

19.  what is the scheduling algorithm used in general operating systems.

a) FCFS algorithm
b) Highest Priority First algorithm
c) Round-Robin algorithm
d) None of the above

ans:c

20. Router is present at

a)Physical layer
b)Data Link Layer
c)Network Layer
d)None of above

ans:c

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