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1) Which of these is an invalid dataname? a)
wd-count b) wd_count c) w4count d)
wdcountabcd
2) What is the output of the
following program main () { unsigned int
i;
for (i = 10; i >= 0; i--) printf ("%d",
i); } a) prints numbers 10 - 0 b) prints nos 10 -
1 c) d) goes into infinite loop
11) What is
the value of the following expression? i = 1; i
<< 1 % 2 a) 2 b) c) 1 d) 0
12) What
is the value of the following expression? i = 1; i
= (i <<= 1 % 2) a) 2 b) c) 0 d) erroneous
syntax
What is the result? 13) *A + 1 - *A +
3 a) - b) -2 c) 4 d) none of the above
14)
&A[5] - &A[1]? a) b) c) 4 d)
15) C
allows a) only call by value b) only call by
reference c) both d) only call by value and
sometimes call by reference
16) The following
statement is " The size of a struct is always equal
to the sum of the sizes of its members" a) valid
b) invalid c) can't say
17) How many x's are
printed? for (i = 0, j = 10; i < j; i++,
j--) printf ("x"); a) 10 b) 5 c) 4 d)
none
18) output? main () { int i = 2, j
= 3, k = 1; swap (i, j) printf ("%d %d", i,
j); } swap (int i, int j) { int
temp; temp = i; i = j; j = temp; } YOU KNOW THE
ANSWER
19) main () { int i = 2; twice
(2); printf ("%d", i); } twice (int
i) { bullshit }
int i, b[] = {1, 2, 3,
4, 5}, *p; p = b; ++*p; p += 2;
20) What
is the value of *p; a) 2 b) 3 c) 4 d) 5 21) What
is the value of (p - (&p - 2))? a) b) 2 c)
d)
23) x = fopen (b, c) what is b? a)
pointer to a character array which contains the
filename b) filename whithin double quotes c) can
be anyone of the above d) none
24) x = malloc
(y). Which of the following statements is correct. a)
x is the size of the memory allocated b) y points to
the memory allocated t c) x points to the memory
allocated d) none of the above
25) which is
the valid declaration? a) #typedef struct { int
i;}in; b) typedef struct in {int i;}; c) #typedef
struct int {int i;}; d) typedef struct {int i;}
in;
26) union { int no; char ch; }
u; What is the output? u.ch = '2'; u.no =
0; printf ("%d", u.ch); a) 2 b) 0 c) null
character d) none
27) Which of these are valid
declarations? i) union { ii) union u_tag { int i;
int i; int j; int j; }; };
iii) union { iv)
union { int i; int i; int j; int j; FILE k;
}u; };
a) all correct b) i, ii, iv c) ii
& iv d)
28) p and q are pointers to the same
type of dataitems. Which of these are valid? i)
*(p+q) ii) *(p-q) iii) *p - *q
a)
all b) c) iii is valid sometimes
29) which
are valid? i) pointers can be added ii) pointers
can be subtracted iii) integers can be added to
pointers a) all correct b) only i and ii
30)
int *i; float *f; char *c; which are the valid
castings? i) (int *) &c ii) (float *)
&c iii) (char *) &i
31) int i =
20; printf ("%x", i); what is the output? a)
x14 b) 14 c) 20 d) none of the above
32) main
() { char *name = "name"; change
(name); printf ("%s", name); } change (char
*name) { char *nm = "newname"; name =
nm; } what is the output? a) name b) newname c)
name = nm not valid d) function call
invalid
33) char name[] = {'n', 'a', 'm',
'e'} printf ("name = \n%s", name); a) name
= name b) name = followed by funk
characters c) name = \nname d) none
34) int
a = 0, b = 2; if (a = 0) b = 0; else b *=
10; what is the value of b? a) 0 b) 20 c) 2 d)
none
35) int x = 2, y = 2, z = 1; what is the
value of x afterh the following statmements? if (x =
y%2) z = crap else crap
a) 0 b) 2 c)1
d)none
37) output? initially n =
-24; printd (int n) { if (n <
0) { printf ("-"); n = -n; } if (n %
10) printf ("%d", n); else printf ("%d",
n/10);
printf ("%d", n); } a. -24 b.24 c.
d.-224
38) float x, y, z; scanf ("%f %f",
&x, &y);
if input stream contains "4.2 3
2.3 ..." what will x and y contain after scanf? a.
4.2, 3.0 b. 4.2, 2.3 c. d.
39) #define
max(a,b) (a>b?b:a) #define squre(x) x*x
int
i = 2, j = 3, k = 1; printf ("%d %d", max(i,j),
squre(k));
output? a.32 b.23 c.31
d.13
40) struct adr { char *name; char
*city; int zip; }; struct adr *adradr; which
are valid references?
i) adr->name X ii)
adradr->name iii) adr.zip X iv)
adradr.zip
41) main (x, y) int x, char
*y[]; { printf ("%d %s", x, y[1]); } output
when invoked as prog arg1 a. 1 prog b. 1 arg1 c. 2
prog d. 2 arg1
42) extern int s; int
t; static int u; main () { } which of s,
t and u are availeble to a function present in
another file a. only s b. s & t c. s, t,
u d. none
43) main () { } int
a; f1(){} f2(){}
which of the functions is
int a available for? a. all of them b. only
f2 c. only f1 d. f1 and f2 only
int
a = 'a', d = 'd'; char b = "b", c = "cr";
main
() { mixup (a, b, &c); } mixup (int p1,
char *p2, char **p3) { int *temp; ....doesnt
matter..... }
44) what is the value of a after
mixup? a. a b.b c.c d.none of the above
45)
what is the value of b after mixup? a. a b.b c.c
d.none of the above
46) main () { char s[]
= "T.C.S", *A; print(s); } print (char
*p) { while (*p != '\0') { if (*p !=
".") printf ("%s",
*p); p++; } } output? a.T.C.S b.TCS c. d.
none of the above
47) a question on do ...
while 48) a question on % operator
49)
main () { int ones, twos, threes, others; int
c;
ones = twos = threes = others =
0;
while ((c = getchar ()) != EOF) { switch
(c) { case '1': ++ones; case '2':
++twos; case '3': ++threes; break; default:
++others; break; } } printf ("%d %d", ones,
others); }
if the input is "1a1b1c" what is
the output? a. 13 b. c. 33 d. 31 |
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