81.
A Report can be based on a
(A) Table
but not a view
(B) View but
not a table
(C) Table or
a view
(D) All of
the above
Answer: C
82. What
is the environment variable that contains a list of directories where Java
looks for classes referenced in a program?
(A)
PATHCLASS
(B)
SEARCHPATH
(C) PATH
(D)
CLASSPATH
Answer: D
83. Garbage
collector in Java frees the programmer from worrying about
(A) Memory
leaks
(B) Dangling
references
(C) Creating
new objects
(D)
Recursion
Answer: A,B
84. Which
of the following does not have a super class in Java?
(A) System
(B) Object
(C) Lang
(D)
Exception
Answer: B
85. In
Java the constants that cannot be changed are declared using the keyword
(A) Final
(B) Static
(C) Abstract
(D)
Immutable
Answer: A
86. Let
L denote the language generated by grammar S->0S0|00 which of the following
is true?
(A) L=0+
(B) L is
regular but not 0+
(C) L is context
free but not regular
(D) L is not
context free
Answer: B
87. Which
of the following can be used to generate HTML documentation from a Java source
code?
(A) Javadoc
(B)
JavaHtmlDoc
(C) Javac
(D) Jar
Answer: A
88. The
number of tokens in the following C statement printf(“i=%d, &i=%x”, i,
&i ); is
(A) 3
(B) 26
(C) 10
(D) 21
Answer: C
89. Which
of the following method is invoked by the garbage collector in Java?
(A) Final
(B)
Constructor
(C) Finally
(D) Finalize
Answer: D
90. The
java compiler generates
(A) Assembly
language
(B) Machine
language
(C) P-code
(D) Byte
code
Answer: D
91. Which
of the following is true about pass by reference in C++
1. Copy of
variables are not created
2. Share the
same address space
3. A
mechanism to use the memory effectively
(A) 1 and 2
only
(B) 2 only
(C) 1 and 3
only
(D) 1, 2
& 3
Answer: D
92. The
maximum number of binary trees that can be formed with three unlabelled nodes
is
(A) 1
(B) 5
(C) 4
(D) 3
Answer: B
93. Which
of the following is a top-down parser?
(A)
Recursive descent parser
(B) Operator
precedence parser
(C) An LR(k)
parser
(D) An
LALR(k) parser
Answer: A
94. Which
of the following uses UDP as the transport protocol?
(A) HTTP
(B) Telnet
(C) DNS
(D) SMTP
Answer: C
95. In
Ethernet, when Manchestor encoding is used the bit rate is
(A) Half the
baud rate
(B) Twice
the baud rate
(C) Same as
the baud rate
(D) None of
these
Answer: A
96. The
inorder and preorder traversal of a binary tree are
d b e a f c
g and a b e c f g respectively
The
postorder traversal of the binary tree is
(A) d e b f
g c a
(B) e d b g
f c a
(C) e d b f
g c a
(D) d e f g
b c a
Answer: A
97. The
address of a Class B host is to be split into subnets with a 6- bit subnet
number. What is the maximum number of subnets and the maximum number of hosts
in each subnet?
(A) 62
subnets and 262142 hosts
(B) 64
subnets and 262142 hosts
(C) 62
subnets and 1022 hosts
(D) 64
subnets and 1024 hosts
Answer: C
98. Which
of the following algorithms have the lowest worst case complexity?
(A) Merge
sort
(B) Bubble
sort
(C) Quick
sort
(D)
Selection sort
Answer: A
99. A
machine took 200 seconds to sort 200 names, using bubble sort. In 800 seconds
it can approximately sort
(A) 400
names
(B) 800
names
(C) 750
names
(D) 600
names
Answer: A
100. A
multi-user, multi processing operating system cannot be implemented on hardware
that does not support
(A) Address
translation
(B) DMA for
disk transfer
(C) Privileged
and non-privileged modes of CPU execution
(D) Demand
paging
Answer: C
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