1.
The
postfix expression AB+CD–* can be evaluated using a
(A)
stack (B) tree
(C)
queue (D) linked list
Answer: A
2. The post order
traversal of a binary tree is DEBFCA. Find out the preorder traversal.
(A) ABFCDE (B)
ADBFEC
(C) ABDECF (D) None
of the above
Answer: C
3. The branch
logic that provides making capabilities in the control unit is known as
(A) Controlled transfer (B)
Conditional transfer
(C) Unconditional transfer (D)
None of the above
Answer: A
4. The number of
colours required to properly colour the vertices of every planer graph is
(A) 2 (B) 3
(C) 4 (D) 5
Answer: D
5. Networks that
use different technologies can be connected by using
(A) Packets (B)
Switches
(C) Bridges (D)
Routers
Answer: D
6. Both hosts and
routers are TCP/IP protocol software. However, routers do not use protocol from
all layers. The layer for which protocol software is not needed by a router is
(A) Layer – 5 (Application)
(B) Layer – 1 (Physical)
(C) Layer – 3 (Internet)
(D) Layer – 2 (Network Interface)
Answer: A
7. In multiuser database
if two users wish to update the same record at the same time, they are
prevented from doing so by
(A) Jamming (B) Password
(C) Documentation (D) Record lock
Answer: D
8. A binary
search tree is a binary tree :
(A) All items in the left subtree are less than root
(B) All items in the right subtree are greater than or equal to the root
(C) Each subtree is itself a binary search tree
(D) All of the above
Answer: D
9. What deletes
the entire file except the file structure ?
(A) ERASE (B) DELETE
(C) ZAP (D) PACK
Answer: C
10. Which command
is the fastest among the following ?
(A) COPY TO <NEW FILE>
(B) COPY STRUCTURE TO <NEW FILE>
(C) COPY FILE <FILE 1> <FILE 2>
(D) COPY TO MFILE-DAT DELIMITED
Answer: B
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