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GLOBAL EDGE Placement Question Paper 2 2005
main(){ int arr[]={ 1,2,3,4 };int *ptr ;;;;ptr++ = arr;printf("%d,%d",ptr[2],arr[2]);return 0;}what is the output :
a&gt; compile time error :multiple termination statements for pointerb&gt; lvalue required for ptrc&gt; prints 3 3d&gt; printd 4 3
ans b: lvalue required for ptr;
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2&gt;
main(){char s[10];scanf ("%s",s);printf(s);
}
what is the output if input is abcd :
a&gt; prints abcdb&gt; compiler errorc&gt; prints abcd and 6 junk charactersd&gt; printd s
ans a: prints abcd.
3&gt;
main(){char c = 255;printf ("%d",c);return 0;}
what is the output
a&gt; illegal character assignmentb&gt; prints -1c&gt; prints 2d&gt; prints 255
ans b: prints -1.
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4&gt;main(){int i;for (i=7;i&lt;=0;i--)printf ("hello\n");
}
what is the output
a&gt; prints hello 7 timesb&gt; prints hello 8 timesc&gt; prints hello onced&gt; prints nothing
ans b: prints nothing.
5&gt;
main(){printf( printf ("world") );
}
a&gt; prints worldb&gt; prints printf ("world")c&gt; prints nothingd&gt; compiler error
ans d: compiler error.
computer concepts
1&gt; A c source code file can be
a&gt; compiled onlyb&gt; interpreted onlyc&gt; both compiled and interpretedd&gt; nothing
ans c : both compiled and interpreted
2&gt; c prigramming approach is
a&gt; Top downb&gt; bottom upc&gt; both topdown and bottom upd&gt; none of the above
ans a:top down approach
3&gt; The access time is less for
a&gt; hard diskb&gt; cachec&gt; registersd&gt; main memory
ans c:registers
4&gt;resolving of external variables in a program is done at
a&gt;complie timeb&gt;run timec&gt;link time4&gt;load time
ans c: link time.
5&gt; interrupts inform process about
a&gt; events external to process asynchronouslyb&gt; events external to process synchronouslyc&gt; both a and bd&gt; events internal to a process
ans a: events external to process asynchronously
/* C question and answers
All questions are tested in Turbo C compalier and have not beentested in gcc or ( linux platform) */----------------------------------------------------1)#include&lt;stdio.h&gt;main(){scanf("%d");printf();}which of the following is correct?a)compilation errorb)Run time errorc)No outputd)depends on the compiler
ans : a---------------------------------------------------------2)#include&lt;stdio.h&gt;#define islower(c) (,a,&lt;=(c) &amp;&amp; (c)&lt;=,z,)#define toupper(c) (islower(c)?(c)-(,a,-,A,)c))
main(){char *p="i am fine";while(*p)printf("%c",toupper(*p++));}a)bcdb)AFEc)aFed)BCd
ans : b ( macro substitution 3 times)----------------------------------------------------------3)#include&lt;stdio.h&gt;main(){200;printf("tricky problem");}a)warning messageb)compilation errorc)run time errord)none of these
ans : a------------------------------------------------------------4)which is the null statement?a) ;b) {}c) ,\0,;d)all of these
ans : a------------------------------------------------------------5)what is the correct prototype of printf function ?a)printf(char *p,...);b)printf(const *char *p,...);c)printf(const char *p,...);d)printf(const *char p,...);
ans : c-----------------------------------------------------------
/* questions on computer concepts */
1)which of the following is not a system file?a).sysb).comc).inid)none
ans : d---------------------------------------------------------------2)A magnetic tape is equivalent to which of the following structure?a)Graphsb)treesc)Listsd)Dictionaries
ans : c------------------------------------------------------------3)For a linked list implementation which&nbsp; searching technique is notapplicable?a)linear searchb)nonec)quick sortd)binary search
ans : d----------------------------------------------------------------4)Encryption and decryption is done in which layer?a)DLLb)Network layerc)transport layerd) Presentation layer
ans : d------------------------------------------------------------5)which of the following is not performed by the OS?a)cpu shcedulingb)memory managementc)Transactiond)none
ans : c&nbsp;
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Provided by www.YuvaJobs.com - Globaledge   Paper    Whole Testpaper        - 1  February  2005