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Differentiate between protected .and private me~bers of a class. in context of Object Oriented Programming. Also, give a suitable example illustrating accessibility/non-accessibility of each using a class and an object in C++.
Concept: undefined > undefined
Write the definition of a class BOX 1n C++ with the following description
Private Members
- BoxNumber //data member of integer type
- Side // data member of float type
- Area // data member of float type
- ExecArea () // Member function to calculate and assign Area as Side * Side
Public Members
- GetBox() // function to allow user to enter values of BoxNumber and Side. Also, this
// function should call ExecArea () to calculate Area
- Showbox () // A function to display BoxNumber , Side and Area
Concept: undefined > undefined
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State DeMorgan's Laws of Boolean Algebra and verify them using a truth table.
Concept: undefined > undefined
Hi-Standard Tech Traj.ning Ltd. is a Mumbai based organization which is expanding its office set-up to Chennai. At Chennai office compound, they are planning to have 3 different blocks for Admin, Training and Accounts related activities. Each block has a number of computers, which are required to be connected in a network for communication, data and resource sharing.
As a network consultant, you have to suggest the best network related solutions for them for issues/problems raised by them in (i) to (iv), as per the distances between various blocks/locations and other given parameters.
Shortest differences between various blocks/locations:
| Admin Block to Accounts Block | 300 Metres |
| Accounts Block to Training Block | 150 Metres |
| Admin Block to Training Block | 200 Metres |
| MUMBAI Head Office to CHENNAI Office | 1300 Km |
The number of computers installed at various blocks is as follows:
| Training Block | 150 |
| Accounts Block | 30 |
| Admin Block | 40 |
1) Suggest the most appropriate block/location to house the SERVER in the CHENNAI office (out of the 3 blocks) to get the best and effective connectivity. Justify your answer.
2) Suggest the best-wired medium and draw the cable layout (Block to Block) to efficiently connect various blocks within the CHENNAI office compound.
3) Suggest a device/software and its placement that would provide data security for the entire network of the CHENNAI office.
4) Suggest a device and the protocol that shall be needed to provide wireless Internet access to all smartphone/laptop users in the CHENNAI office
Concept: undefined > undefined
Differentiate between packet switching over message switching
Concept: undefined > undefined
Derive a Canonical POS expression for a Boolean function FN, represented by the following truth truth table:
| X | y | z | FN (X, Y, Z) |
| 0 | 0 | 0 | 1 |
| 0 | 0 | 1 | 1 |
| 0 | 1 | 0 | 0 |
| 0 | 1 | 1 | 0 |
| 1 | 0 | 0 | 1 |
| 1 | 0 | 1 | 0 |
| 1 | 1 | 0 | 0 |
| 1 | 1 | 1 | 1 |
Concept: undefined > undefined
Differentiate bel ween Bus Topology and Star Topology of Networks
Concept: undefined > undefined
What are the advantages and disadvantages of Star Topology over Bus Topology
Concept: undefined > undefined
CASE STUDY BASED QUESTION
Ayurveda Training Educational Institute is setting up its centre in Hyderabad with four specialised departments for Orthopedics, Neurology and Pediatrics along with an administrative office in separate buildings. The physical distance between these department buildings and the number of computers to be installed in these departments and administrative office are given as follows.
Shortest distance between various locations in meters:
| Administrative Office to Orthopedics Unit | 55 |
| Neurology Unit to Administrative Office | 30 |
| Orthopedics Units to Neurology Unit | 70 |
| Pediatrics Unit to Neurology Unit | 50 |
| Pediatrics Unit to Administrative Office | 40 |
| Pediatrics Unit to Orthopedics Unit | 110 |
Number of Computers installed at various locations are as follows
| Pediatrics Unit | 40 |
| Administrative Office | 140 |
| Neurology | 50 |
| Orthopedics Unit | 80 |
1) Suggest the most suitable location to install the main server of this institution to get efficient connectivity.
2) Suggest the best cable layout for effective network connectivity of the building having server with all the other buildings.
3) Suggest the devices to be installed in each of these building for connecting computers installed within the building out of the following
- Gateway
- Modem
- Switch
4) Suggest the topology of the network and network cable for efficiently connecting each computer installed in each of the building out of the following:
Topologies: Bus Topology, Star Topology
Network Cable: Single Pair Telephone Cable, Coaxial Cable, Ethernet Cable
Concept: undefined > undefined
Derive a Canonical POS expression for a Boolean function G, represented by the following truth table:
| X | Y | Z | G(X, Y, Z) |
| 0 | 0 | 0 | 0 |
| 0 | 0 | 1 | 0 |
| 0 | 1 | 0 | 1 |
| 0 | 1 | 1 | 0 |
| 1 | 0 | 0 | 1 |
| 1 | 0 | 1 | 1 |
| 1 | 1 | 0 | 0 |
| 1 | 1 | 1 | 1 |
Concept: undefined > undefined
Derive a Canonical POS expression for a Boolean function F, represented by the following truth table
| P | Q | R | F(P,Q,R) |
| 0 | 0 | 0 | 1 |
| 0 | 0 | 1 | 0 |
| 0 | 1 | 0 | 0 |
| 0 | 1 | 1 | 1 |
| 1 | 0 | 0 | 1 |
| 1 | 0 | 1 | 0 |
| 1 | 1 | 0 | 0 |
| 1 | 1 | 1 | 1 |
Concept: undefined > undefined
illustrate the layout for connecting 5 computers in a Bus topology of Networks
Concept: undefined > undefined
illustrate the layout for connecting 5 computers in a star topology of Networks
Concept: undefined > undefined
Xcelencia Edu Services Ltd. is an educational organization. It is planning to set up its India campus at Hyderabad with its head office at Delhi. The Hyderabad campus has 4 main
buildings ADMIN, SCIENCE, BUSINESS and ARTS.
You as a network expert have to suggest the best network related . solutions for their problems raised in (i) to (iv), keeping in mind the distances between the buildings and other given parameters.
Shortest distances between various buildings :
| ADMIN to SCIENCE | 65m |
| ADMIN to BUSINESS | 100m |
| ADMIN to ARTS | 60m |
| SCIENCE to BUSINESS | 75m |
| SCIENCE to ARTS | 60m |
| BUSINESS to ARTS | 50m |
| DELHI Head Office to HYDERABAD Campus | 1600Km |
Number of computers installed at various buildings are as follows :
| ADMIN | 100 |
| SCIENCE | 85 |
| BUSSINESS | 40 |
| ARTS | 12 |
| DELHI Head Office | 20 |
1) Suggest the most appropriate location of the server inside the HYDERABAD campus (out of the 4 buildingakto get the best connectivity for maximum number of computers. Justify your answer
2) Suggest . and draw the cable layout to efficiently connect various buildings within the HYDERABAD campus for connecting the computers.
3) Which hardware device will you suggest to be procured by the company to be installed to protect and control the internet uses within the campus?
4) Which of the following will you suggest to establish the online face-to-face communication between the people in the Admin Office of HYDERABAD campus and · DELHI Head Office ?
- Text Chat
- Video Conferencing
- Cable TV
Concept: undefined > undefined
Define the term topology.
Concept: undefined > undefined
Reduce the following Boolean Expression to its simplest form using K-Map:
`G(U, V,W, Z) = sum(3,5 , 6 , 7 , 11 , 12 ,13, 15)`
Concept: undefined > undefined
Which function(s) out of the following can be considered as an overloaded function(s) in the same program? Also, write the reason for not considering the other(s) as an overloaded function(s)
void Execute(char A,int B); // Function 1
void Execute(int A,char B); // Function 2
void Execute(int P=10) ; // Function 3
void Execute(); // Function 4
int Execute(int A); // Function 5
void Execute(int &K); // Function 6
Concept: undefined > undefined
Reduce the following Boolean Expression to its simplest form using K-Map:
`E (U, V, Z, W) = sum (2, 3 , 6, 8, 9, 10, 11 , 12 , 13 )`
Concept: undefined > undefined
Reduce the following Boolean Expression to its simplest form using K-Map
`F (X, Y, Z, W) = sum (0, 1, 4, 5, 6, 7, 8, 9, 11, 15)`
Concept: undefined > undefined
Draw the Logic Circuit of the following Boolean Expression
(U' + v).(V' + W')
Concept: undefined > undefined
