Recent questions tagged ugcnetcse-dec2007-paper2

A box contains six red balls and four green balls. Four balls are selected at random from the box. What is the probability that two of the selected balls are red and two ...

The number of edges in a complete graph with $‘n’$ vertices is equal to :$n(n-1)$$\large\frac{n(n-1)}{2}$$n^2$$2n-1$

A context free grammar is :type $0$type $1$type $2$type $3$

Let e : B^m → B^n is a group code. The minimum distance of ‘e’ is equal to :the maximum weight of a non zero code wordthe minimum weight of a non zero code wordmn

Consider a Moore machine $M$ whose digraph is :Then $L(M)$, the language accepted by the machine M, is the set of all strings having :two or more b’sthree or more b’stwo ...

A $WFF$ that is equivalent to the $WFF$ $x= y$ is :$y=>x$~$y=>x$~$y=>$ ~$x$$y=>$ ~$x$

Simplified form of Boolean expression $\text{xy+(~x)z+yz}$ is :$\text{xy+(~x)z}$$\text{(~x)y+(~x)z}$$\text{(~x)y+xz}$$\text{xy+xz}$

In order to build a $\text{MOD - 18}$ counter, the minimum number of flip flops needed is equal to :$18$$9$$5$$4$

The dual of the switching function $F=x+yz$ is given by :$\text{x+yz}$$\text{x(y+z)}$$\text{(~x)+(~y)(~z)}$$\text{(~x)((~y)+(~z))}$

Amongst the logic families $DTL, TTL, ECL$ and $CMOS$, the family with the least power dissipation is :$CMOS$$DTL$$TTL$$ECL$

What cannot replace ‘?’ in the following C-code to print all odd numbers less than $100$ ?for (i=1; ? ; i=i+2) printf("%d\n", i);$i\leq100$$i\leq101$$i<100$$i<101$

Consider the following linked list :Which of the following piece of code will insert the node pointed to by $q$ at the end of the list ?$\text{for (p=list; p !=NULL; p=p ...

Which of the following is a valid C code to print character ‘A’ to ‘C’ ?x='A' ; switch(x) {case 'A'= printf ( "%d\n" , x); .... case 'C'= printf ( "%d\n" , x); }x='A'; sw...

Which of the following is not true in C++ ?“Private” elements of a base class are not accessible by members of its derived class.“Protected” elements of base class are no...

Which of the following is true of constructor function in C++ ?A class must have at least one constructor.A constructor is a unique function which cannot be overloaded.A ...

A primary key for an entity is :a candidate keyany attributea unique attributea superkey

Aggregate functions in SQL are :GREATEST, LEAST and ABSSUM, COUNT and AVGUPPER, LOWER and LENGTHSQRT, POWER and MOD

If a relation is in 2NF and 3NF forms then :no non-prime attribute is functionally dependent on other non-prime attributesno non-prime attribute is functionally dependent...

The end of an SQL command is denoted by :an end-of-line characteran ‘enter-key’ markerentering F4 keya semicolon (;)

Consider the query :SELECT student_name FROM students WHERE class_name=(SELECT class_name FROM students WHERE math_marks=100);what will be the output ?the list of names o...

Consider a rooted tree in which every node has at least three children. What is the minimum number of nodes at level i (i $0$) of the tree ? Assume that the root is at l...

Which of the following data structure is used to implement recursion ?ArraysStacksQueuesLinked lists

The height of a binary tree with $n$ nodes, in the worst case is :$O(log n)$$O(n)$$\Omega(n\log n)$$\Omega(n^2)$

The performance of a file system depends upon the cache hit rate. If it takes $1$ msec to satisfy a request from the cache but $10$ msec to satisfy a request if a disk re...

The best known example of a MAN is :EthernetCable TelevisionFDDIIEEE $802.3$

In a broadcast network, a layer that is often thin or non-existent is :network layertransport layerpresentation layerapplication layer

The maximum data rate of binary signals on a noiseless $3\:KHz$ channel is :$3000$ bps.$6000$ bps.$9000$ bps.$12,000$ bps.

For pure ALOHA, the maximum channel utilization is :$100\%$$50\%$$36\%$$18\%$

An example of an adaptive routing algorithm is :distance vector routingfloodingselective floodingshortest path routing