11th Class (HSSC-I) Computer Science Notes:- Unit-1 "Introduction to Computers" Q1. (Long) Modern use of computers in our daily (today's) life

Class 11 Computer Science (SLO Based) Notes 

For the Examination 2024 and onwards under the 

Federal Board of Intermediate and Secondary Education (FBISE), Islamabad, Punjab Boards, Rawalpindi, Lahore, Karachi board, etc., and All other boards in Pakistan and abroad. 

Unit-1 

"Introduction to Computers"

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Class 8 Computer Science MCQs for practice (All Units Exercise) 

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Brief/Long Response Questions and Answers:

Q1. What is the Modern use of computers in our daily (today's) life? Explain.

Ans: 

Modern Use of Computors in Today's Life:

Mobile Computing:

• Small portable devices that allow people to access and share information.
  
• They use wireless networks.
  
• Mobile devices have limited functions.
  
• run on batteries
  
• Have a small display, less processing, and less memory
  

Examples: PDAs, tablet PCs, smartphones, etc.

Internet of Things (IoT)

• Interconnection between a computer network and physical devices.
  
• Devices are equipped with wireless connectivity, embedded software, sensors, cameras microphones, etc.
• Smart devices which can interact with humans through a wireless connection.
  

Example: smart homes. House appliances such as AC, lights and electronic devices can be controlled remotely via smartphones.

Cloud computing:

• Using a remote server for storing and processing data.
  
• Eliminates the need for buying and installing computer systems and soft wares at one’s place.
  
• Security and other services are provided by another company.
  

Advantages:

• Cost-effective. (does not need to buy and maintain the system).
  
• More secure and reliable.
  
• Access and share information from anywhere via the Internet.
  

Disadvantages:

• Requires a high-speed internet connection for accessing and uploading.
  
• Privacy and security risks.

Companies that provide cloud computing services:

Google, Microsoft, Citrix system and Amazon

Data centers:

• A centralized location for collecting, storing, processing, and distributing vast amounts of data.
  
• Consists of servers, routers, switches, backup, etc.
  
• Data centers require air conditioning, file compression, and security services.
  
• It requires a room or an entire building.
  
• Banks, universities, and telecom companies require data centers.

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Please Select from below 👇👇

Unit-1 (Important Short Q/A)

Short Q/A (1 to 10)
Short Q/A ( 11 to 20)
Short Q/A ( 21 to 30)
Short Q/A ( 31 to 40)
Short Q/A ( 41 to 50)
Short Q/A ( 51 to 60)

Unit-1 (Important Long Q/A)

Long Q/A No. 1

Long Q/A No. 2

Long Q/A No. 3

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Computer Science 11th Class Notes (Main Page)

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