The minimum number of arithmetic operations required to evaluate the polynomial P(X) = X5 + 4X3 + 6X + 5 for a given val

You have an array of n elements. Suppose you implement quicksort by always choosing the central element of the array as

Consider the decision problem 2CNFSAT defined as follows: { $$\Phi $$ | $$\Phi $$ is a satisfiable propositional formula

One of the purposes of using intermediate code in compilers is to

Consider the basic block given below. a = b + c c = a + d d = b + c e = d - b a = e + b The minimum number of nodes

An IP router with a Maximum Transmission Unit (MTU) of 1500 bytes has received an IP packet of size 4404 bytes with an I

In the following pairs of OSI protocol layer/sub-layer and its functionality, the INCORRECT pair is

A bit-stuffing based framing protocol uses an 8-bit delimiter pattern of 01111110. If the output bit-string after stuffi

Host A (on TCP/IPv4 network A) sends an IP datagram D to host B (also on TCP/IPv4 network B). Assume that no error occur

An IP router implementing Classless Inter-domain Routing (CIDR) receives a packet with address 131.23.151.76. The router

Every host in an IPv4 network has a 1-second resolution real-time clock with battery backup. Each host needs to generate

The memory access time is $$1$$ nanosecond for a read operation with a hit in cache, $$5$$ nanoseconds for a read operat

Consider the following processors ($$ns$$ stands for nanoseconds). Assume that the pipeline registers have zero latency.

An instruction pipeline has five stages, namely, instruction fetch $$(IF),$$ instruction decode and register fetch $$(ID

Consider the C function given below. Assume that the array listA contains n (> 0) elements, sored in ascending order.

Suppose depth first search is executed on the graph below starting at some unknown vertex. Assume that a recursive call

Consider a hash table with 100 slots. Collisions are resolved using chaining. Assuming simple uniform hashing, what is t

Consider the pseudocode given below. The function Dosomething () takes as argument a pointer to the root of an arbitrary

Suppose we have a balanced binary search tree T holding n numbers. We are given two numbers L and H and wish to sum up a

Consider the following rooted tree with the vertex labelled P as the root The order in which the nodes are visited duri

Consider the following relational schema: employee (empId, empName, empDept ) customer (custId, custName, salesRepId, ra

What is the optimized version of the relation algebra expression $$\pi_{A1}(\pi_{A2}(\sigma_{F1}(\sigma_{F2}(r))))$$, wh

Consider the relational schema given below, where eId of the relation dependent is a foreign key referring to empId of t

Consider the transactions T1, T2, and T3 and the schedules S1 and S2 given below. T1 : r1 (X) ; r1 (Z) ; w1 (X) ; w1 (Z)

A prime attribute of a relation scheme $$R$$ is an attribute that appears

Consider the following combinational function block involving four Boolean variables $$x, y, a,$$ $$b$$ where $$x, a, b

Let $$ \oplus $$ denote the exclusive $$OR\left( {XOR} \right)$$ operation. Let $$'1'$$ and $$'0'$$ denote the binary co

Consider the following interm expression of $$F:$$ $$F\left( {P,\,Q,\,R,\,S} \right) = \sum {0,2,5,7,8,10,13,15} $$ Th

The above synchronous sequential circuit built using $$JK$$ flip-flops is initialized with $${Q_2}{Q_1}{Q_0} = 000.\,\,

Let S be a sample space and two mutually exclusive events A and B be such that $$A\, \cup \,B = \,S$$. If P(.) denotes t

The CORRECT formula for the sentence, "not all rainy days are cold" is

Let $$X$$ and $$Y$$ be finite sets and $$f:X \to Y$$ be a function. Which one of the following statements is TRUE?

Which one of the following statements is TRUE about every $$n\,\, \times \,n$$ matrix with only real eigen values?

If $${V_1}$$ and $${V_2}$$ are 4-dimensional subspaces of a 6-dimensional vector space V, then the smallest possible dim

If $$\int_0^{2\pi } {\left| {x\sin x} \right|dx = k\pi ,} $$ then the values of $$k$$ is equal to _________ .

The value of the integral given below is $$$\int_0^\pi {{x^2}\,\cos \,x\,dx} $$$

Suppose you want to move from 0 to 100 on the number line. In each step, you either move right by a unit distance or you

Consider the set of all functions $$f:\left\{ {0,\,1,.....,2014} \right\} \to \left\{ {0,\,1,.....,2014} \right\}$$ such

There are two elements $$x, y$$ in a group $$\left( {G,\, * } \right)$$ such that every elements in the group can be wri

let $$G$$ be a group with $$15$$ elements. Let $$L$$ be a subgroup of $$G$$. It is known that $$L \ne G$$ and that the s

Let $$\delta $$ denote the minimum degree of a vertex in a graph. For all planar graphs on $$n$$ vertices with $$\delta

If $$G$$ is a forest with $$n$$ vertices and $$k$$ connected components, how many edges does $$G$$ have?

Consider the following statements: P: Good mobile phones are not cheap Q: Cheap mobile phones are not good L: P implies

A system uses $$3$$ page frames for storing process pages in main memory. It uses the Least Recently Used $$(LRU)$$ page

Consider a paging hardware with a TLB. Assume that the entire page table and all the pages are in the physical memory. I

A system contains three programs and each requires three tape units for its operation. The Minimum number of tape units

An operating system uses $$shortest$$ $$remaining$$ $$time$$ $$first$$ scheduling algorithm for pre-emptive scheduling o

Let A be a square matrix size $$n \times n$$. Consider the following pseudocode. What is the expected output? C = 100;

Which of the following statements are CORRECT? 1) Static allocation of all data areas by a compiler makes it impossible

In the context of modular software design, which one of the following combinations is desirable?

The length of the shortest string NOT in the language (over $$\sum { = \left\{ {a,\,\,b} \right\}} $$) of the following

Consider the following languages over the alphabet $$\sum { = \left\{ {0,\,1,\,c} \right\}:} $$ $$\eqalign{ & {L_

Let $$\sum \, $$ be a finite non - empty alphabet and let $${2^{\sum {{}^ * } }}$$ be the power set of $$\sum {{}^ * .\,

Which one of the following problems is un-decidable?