IBM Recent Placement Aptitude Papers

21)what does the following statement mean?
int (*a)[4]
(a)'a' is a pointer to an array of 4 integers
(b)'a' is an array of pointers to integer
(c)'a' is a pointer to function returning an integer
(d)...
ans:a

22)best method to find out whether a given array already sorted,is 
sorted or not in min. time
ans. insertion sort (check)

23)a primary key in one table also present in some other table is 
called
(a)foreign key
(b)secondary key
(c)subordinate key
(d)...
ans. foreign key

24)which of the following is a real time system?
(a)robotics control
(b)airline ticket reservation(ans)
(c)
(d)...

25)a question to convert a big no in decimal to octal(check only for 
the last 2 nos in ans is sufficient)

26)which of the following is an example of a spooling device?
(a)..
(b)line printer..
(c)
(d)
(e)...

27)if in a table:account no,account holders name,account type 
,.....(something else was given)are the
fields,which of them could be the primary key?
(a)account no(ans)
(b)account holders name
(c)account type
(d)..

28)if a file is opened in "r+" mode(in C),it means
(a) write
(b)read
(c)...
(d).....

29)what is the difference between 123 and 0123 in c?
(a)120
(b)40
(c)0
(d)...
ans:40

30) Software Configuration Management process is -
(a)developing & managing software for .....software....
(b)developing & managing hardware for....software.......
(c)...
(d)..

31) Data Integrity constraint is
(a)to ensure the presence of primary key
(b)...
(c)...
(d)...

32)which of the following uses the minimum length of cable?
(a)ring
(b)star
(c)mesh
(d)bus
(e)all of the above

33)how can u append the ls and who to certain existing file (like 
that)(i.e.listing & output of who is to be directed to a file
(a)ls;who>filename
(b)ls;who>>filename
(c)(ls;who)>>filename
(d)who;ls<filename
(e)...

34)suppose u have a network .users complain of slow ....u suspect a 
problem in network adapter
once u find that the data is continuous and erroneous.what device do u 
use?
(a)volt-ohmmeter
(b)SNMP
(c)protocol... checking
(d)all of the above

35)What is vector processing?

36)x-=y+1 is equivalent to what?
(a)x=x-y+1
(b)...
(c)x=x-y-1
(d)...
ans:(c)

37) in a student form what is the relationship b/w
student and course
(a)one to one
(b)many to one
(c)one to many
(d)many to many

38)ROM is 
(a)volatile 
(b)permanent & fast
(c)device containig boot up program & is not accessible 
(d)...

i have given 38 questions out of 40 q's ...hope it will be useful 2 all 
of u...
they didnt select any ec people 4 interview..:(
only CS,IS..& 2 from TE.
that's all from my side..
here are some hr questions as sent by jagannatha (CS-PESIT)