IT Officers Questions
1. An encoder has 2n input lines and _________output lines.
(a)
2
(b) n
(c)2 *n
(d)
n*n
(e) None of these
2. Race
around condition can be eliminated using_____
(a) False
triggering
(b) Master-slave
flip-flop
(c) Two
clock pulses
(d) All
of the above
(e) None
of these
3. In
J-K flip-flop the function K=J is used to realize______
(a)D-flip-flop
(b) S-R flip-flop
(c)
T-flip
flop
(d) Master-slave flip-flop
(e)
None of these
4. Which
of the following is not used as a data structure?
(a)Array
(b)Linked list
(c)Graph
(d)Directory
(e)None
of these
5. Which
of the following is an operating system call?
(a)CREATE
(b) LINK
(c)SYSTEM
(d) All of these
(e)None
of these
6. In
C++ by default the members of a class are________
(a)Public
`
(b)Private
(c)Both
public and
private (d)Only
public
(e)None
of these
7. Which
of the following statement is not true in context of strings in C language?
(a) It
is array of characters
(b) Last
character of character array is always ‘/0’
(c) C
inserts the null character automatically
(d) Any
string in C can be read by the function get char()
(e) None
of these
8. In
core banking systems:
(a) Store
and forward of transaction is done
(b) Branch
server is not required
(c) Local
Database is not required
(d) Transaction
cannot happen from a non-home branch
(e) None
of these
9. MV
command in UNIX changes
(a) Only
the directory entry
(b) Only
the directory entry and i-node
(c) Only
the i-node number
(d) All
of the above
(e) None
of these
10. Graphs
can be implementing using
i. Arrays
ii. Linked list iii.
Stack
iv. Queue
(a) i,
ii, and iv
(b) i,
ii and iii
(c) ii
and iii
(d) i,
and iv
(e) None
of these
11. A file
organization component of VSAM file is
(a) Relative
record data set
(b) Entry
sequential data set
(c) Entry
sequential data set
(d) All
of above
(e) None
of these
12. When
the result of a computation depends on the speed of the processes involved
there is said to be
(a)
Cycle
stealing
(b) Race condition
(c)
A time lock
(d)A deadlock
(e)
None of these
13. Thrashing
(a) Always
occur on large computers
(b) Is
a natural consequence of virtual memory systems
(c) Can
always be avoided by swapping
(d) Can
be caused by poor paging algorithm
(e) None
of these
14. The
process of converting analog signals into digital signals so they can be
processed by a receiving computer is referred to as:
(a)Modulation
(b) Demodulation
(c)Synchronizing
(d) Digitizing
(e)
None of these
15. The
relational database environment has all of the following components except
(a)Users
(b) Separates files
(c)
Database
(d) Database administrator
(e)None
of these
16. Which
of the following feature is true regarding concatenated virtual circuits?
(a) A
sequence of virtual circuits is set up from source through one or more gateways
to the destination
(b) Each
gateway maintains table telling which virtual circuit pass through it
(c) The
scheme works best when all the networks have roughly the same properties
(d) All
of the above
(e) None
of these
17. RSVP
(Resource reservation protocol) used in
(a) Congestion
control
(b) It
allows multiple senders to transmit to multiple groups of receivers
(c) It
permit individuals receiver to switch channels freely and optimizes band width
use while at the same time eliminating congestion
(d) All
of the above
(e) None
of these
18. Primary
key
(a) Denote
a candidate key that is chosen by the database designer as the principal means
of identifying entities with in an entity set
(b) Attributes
names of all primary key are unique
(c) Primary
key specification is optional and good idea to specify primary key for each
relation
(d) All
of the above
(e) None
of these
19. A
compiler which runs on one machine and generates a code for another machine.
(a)Bootstrap
(b) Cross-compiler
(c)Lexical
analyzer (d) All of the above
(e)None
of these
20. IPV6
(a) It
is used in real time stream protocol
(b) They
are 16 bytes long with 32 bits header
(c) It
is used in security
(d) All
of the above
(e) None
of these
ANSWERS:
|
1.
|
(b)
|
11.
|
(d)
|
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2.
|
(b)
|
12.
|
(b)
|
|
3.
|
(c)
|
13.
|
(d)
|
|
4.
|
(d)
|
14.
|
(d)
|
|
5.
|
(d)
|
15.
|
(b)
|
|
6.
|
(b)
|
16.
|
(d)
|
|
7.
|
(d)
|
17.
|
(d)
|
|
8.
|
(a)
|
18.
|
(d)
|
|
9.
|
(a)
|
19.
|
(b)
|
|
10.
|
(d)
|
20.
|
(d)
|
