L-1 Indian Heroes in IT/ Class 6 Computer

 Class-6th 

Subject : Computer Science

L-1 Indian Heroes in IT

Paste and label Indian Heroes in IT and write their inventions / contributions.

1) Sunder Pichai : 

2) Shantanu Narayen:

3) Ajay Bhatt:

4) Vinod Khosla:

Book Exercise

A) Select the correct option:

1) What does AGP stand for?

a) Advanced Graphics Port

b) Accelerated Graphics Port

c) Accelerated Graphics pointing

d) Accelerated Global Port

Ans:

2) What does AGP stand for?

a) Advanced Graphics Port

b) Accelerated Graphics Port

c) Accelerated Graphics pointing

d) Accelerated Global Port

Ans:

3) What does AGP stand for?

a) Advanced Graphics Port

b) Accelerated Graphics Port

c) Accelerated Graphics pointing

d) Accelerated Global Port

Ans:

4) What does AGP stand for?

a) Advanced Graphics Port

b) Accelerated Graphics Port

c) Accelerated Graphics pointing

d) Accelerated Global Port

Ans:

5) What does AGP stand for?

a) Advanced Graphics Port

b) Accelerated Graphics Port

c) Accelerated Graphics pointing

d) Accelerated Global Port

Ans:

L2 Computer Network & Topology / Class 8 Computer

                                                                          Class 8^th

Subject : Computer Science

L-2 Computer Network & Topology

A) Draw and label the components of Data Communication

• Sender – The device which sends the message (example: computer).
• Message – The data being transferred.
• Medium – The path through which the message is sent (example: cables, air).
• Receiver – The device that receives the message.
• Protocol – Rules that define how data is transmitted

B) Draw and label type of network architecture

There are two types of architectures:

1) Peer-to-peer

• All computers are equal.
• Each can act as a client and a server.

2) Client Server

• One server and multiple client computers.

C) Draw and label types of Network

There are 4 types of networks:

1) LAN

2) MAN

3) WAN

4) PAN

1. LAN (Local Area Network) – Covers a small area like a school or office.

2. MAN (Metropolitan Area Network) – Covers a city or large campus.

3. WAN (Wide Area Network) – Covers a large area such as a country or the world (like the internet).

4. PAN (Personal Area Network) – Covers a very small area around a person (e.g., Bluetooth).

D) Draw and label types of Network Topologies:

Types of topologies are:

1) Bus

2) Star

3) Ring

4) Hybrid

5) FDDI

1. Bus Topology – Single cable connects all computers in a line.
2. Star Topology – All computers are connected to a central hub.
3. Ring Topology – Computers are connected in a circular way.
4. Hybrid Topology – Combination of two or more topologies.
5. FDDI – Uses two rings with fiber optics for high-speed data transmission.

Book Exercise

A) Fill in the blanks

1) Full form of LAN is _________________

a) Local Area Network

b) Large Area Network

c) Limited Access Network

d) Line Area Network

Ans: a) Local Area Network

2) In this network topology single cable connect all computers_________________

a) Star

b) Hybrid

c) Ring

d) Bus

Ans: d) Bus

3) Computers that provide shared single resources to the network users _________________

a) Clients

b) Servers

c) Multiplexer

d) None of these

Ans: b) Servers

4) The way the computers are connected to each other 

a) Star

b) Hybrid

c) Ring

d) Bus

Ans: d) Bus

5) Full form of SAN is _________________

a) System Area Network

b) Single Area Network

c) Storage Area Network

d) None of these

Ans: c) Storage Area Network

B) Guess My Name:

1) Broadband ISDN (B-ISDN)                                                WAN Technology/ LAN Technology

Ans: WAN Technology

2) Computer that access shared network resources, data provided by the server.      Client/ Servers

Ans: Client

3) Network uses fiber optic with a duel counter rotating ring topology.                  PAN/ FDDI

Ans: FDDI

4) Videsh Sanchar Nigam Limited.                                                                         VAN/ PAN

Ans: VAN ( Value Added network)

5) I am the combination of all topologies.                                                            Ring/ Hybrid

Ans: Hybrid

C) Long answer type questions:

1) What are the uses of Computer Network? Explain.
Ans: Computer networks allow sharing of files, resources (like printers), and internet connections. They help in communication through emails, chats, and video calls. They are used in schools, offices, and industries to make work efficient and faster.

2) Explain the various topologies of Computer Network.
Ans: Various topologies of computer network :

• Bus Topology: All devices are connected to a single cable.
• Star Topology: All devices are connected to a central hub.
• Ring Topology: Devices are connected in a circle.
• Hybrid Topology: Combines two or more topologies.
• FDDI: Uses dual ring topology with fiber optics for high-speed data transfer.

3) Explain the sender, Receiver and medium.
Ans: Sender: The device that sends the data (e.g., a computer).

Receiver: The device that receives the data.

Medium: The path through which data travels, such as wires or wireless signals.

 

4) Define the various Communication Interface Devices.
Ans: 

• Modem: Converts digital signals to analog and vice versa.

• Router: Forwards data between different networks.

• Switch: Connects multiple devices in a network.

• Hub: Basic device for connecting multiple computers.

5) What is the difference between LAN and WAN

Ans: LAN (Local Area Network): Covers a small area like a home, school, or office.

WAN (Wide Area Network): Covers a large area like cities or countries (example: Internet)

L-1 Indian Heroes in IT/ 8th computer

 

Class 8^th

Subject : Computer Science

L-1 Indian Heroes in IT

Make a list of Indian Heroes in IT with their achievement

S.No.	Name	Achievements
1	Satya Narayan Nadella	CEO of Microsoft (2014 – present). Awarded the Padma Bhushan by the Government of India.
2	Sabeer Bhatia	Co-founder of Hotmail. Aims to replicate Silicon Valley's innovation ecosystem with Nanocity.
3	Vinod Dham	Inventor of the Pentium Chip, known as the Father of the Pentium processor.
4	Shiv Nadar	Pioneer of the computing and IT industry in India, founder of HCL in the 1970s.

 

A)   Multiple Choice Questions:

1)    Who is the inventor of Pentium Chip?

a)    Sabeer Bhatia

b)    Shiv Nadar

c)    Satya Narayan Nadella

d)    Vinod Dham

Ans: d)      Vinod Dham

 

2)    Sabeer Bhatia was born on ______________

a)    1968

b)    1970

c)    1978

d)    1980

Ans: a)1968

 

 

3)    Which award was given to Satya Narayan Nadella by the Government of India?

a)    Padma Bhushan

b)    Padma Vibhushan

c)    Padma shree

d)    Bharat Ratan

Ans: a)      Padma Bhushan

 

4)    Name the founder of Hotmail.

a)    Vinod Khosla

b)    Shantanu narayen

c)    Sabeer Bhatia

d)    Vinod Dham

Ans: c)      Sabeer Bhatia

 

B)  

586,       nano city,      Pentium ,    SabseBolo.com,    Hotmail,     Silicon

Fill in the blanks using the words from the help box:

 

1)    Sabeer Bhatia, a leading Indian Businessman is the co-founder of Hotmail.

2)    Bangalore is known as the silicon  Valley of India.

3)    Vinod was in-charge of developing the Pentium  processor.

4)    The aim of nano city  is to replicate the vitality and eco-system of innovation found in the Silicon Valley.

5)    Sabeer Bhatia had announced the launch of his latest venture SabseBolo.com.

 

C)   State “T” for True or “F” for False:

1)    Nadella was born on August 19, 1969 in Hyderabad, India. TRUE

2)    Shiv Nadar, a leading Indian businessman is the co-founder of Hotmail. FALSE

3)    Hotmail was an impressive innovation. TRUE

4)    Shiv Nadar was born in Mumbai, India. FALSE

5)    Vinod Dham is inventor of Pentium Chip. TRUE

 

D)   Short answer type questions:

1)    Who is the chief executive officer of the computer software company Microsoft?

Ans: Satya Narayan Nadella

 

2)    AMD stands for?

Ans: Advanced Micro Devices

 

3)    When was Sabeer Bhatia born?

Ans: 1968

 

4)    Who is the founder of HCL?

Ans: Shiv Nadar is the founder of HCL

 

5)    Where was Vinod Dham born?

Ans: Vinod Dham was born in Pune, India.

 

E)    Long answer type questions:

1)    Briefly explain Pentium Chip.

Ans: The Pentium Chip, developed by Intel and significantly contributed to by Vinod Dham, was a breakthrough in microprocessor technology. It featured advanced processing capabilities, increased speed, and efficiency, which revolutionized personal computing in the 1990s and established new standards for the industry.

 

2)    What was the achievement of Shiv Nadar in the IT industry?

Ans: Shiv Nadar founded HCL Technologies, transforming it into a global IT services company. His contributions significantly shaped India's IT landscape, making HCL one of the leading firms in the industry. He also established the Shiv Nadar Foundation to promote education and social development.

 

3)    Explain the advantages of IT in the field of education.

Ans: IT in education provides access to vast information, enhances learning through interactive tools, facilitates distance learning, and supports administrative efficiency. It enables personalized learning experiences and prepares students for a tech-driven future, making education more engaging and accessible.

 

4)    Name the IT companies if India.

Ans: Major IT companies in India include Tata Consultancy Services (TCS), Infosys, Wipro, HCL Technologies, and Tech Mahindra.

 

F)    Who am I?

1)    I am provided option to store, send and receive emails.

Ans: Hotmail

 

2)    I am chip, 90% computers run on me.

Ans: Pentium Chip

 

3)    I am one of the first webmail services that could be accessed from any web browser.

Ans: Hotmail

 

4)    I am a device and I store different types of information.

Ans: Hard Drive

 

G)   Discuss the role and importance of IT in personal life and in workplace.

Ans: IT plays a crucial role in personal life by enabling communication, access to information, entertainment, and online services. In the workplace, IT enhances productivity, streamlines operations, supports remote work, and fosters innovation. It is essential for data management, decision-making, and maintaining a competitive edge.

 

H)   In the time of globalization tell the importance of electronic commerce in the modern industrialization or multinational.

Ans: Electronic commerce is vital in globalization, providing businesses with access to global markets, reducing operational costs, and enhancing customer reach. It supports efficient supply chain management, facilitates international trade, and enables businesses to operate 24/7. E-commerce drives innovation and competitiveness in modern industrialization and multinational operations.