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How Artificial intelligence changing the world?

Artificial Intelligence (AI) has emerged as one of the most revolutionary technologies of our time, with the potential to transform the world in many ways. AI systems are already impacting various industries, from healthcare to transportation, and their potential for future applications is enormous. In this essay, we will explore how AI can change the world and the opportunities and challenges it presents. One of the most significant ways AI can change the world is through automation. AI-powered systems can automate a wide range of tasks, from manufacturing and logistics to customer service and data analysis. Automation can help reduce labor costs, improve efficiency, and speed up processes, leading to significant productivity gains. For instance, factories can use AI-powered robots to automate manufacturing processes, resulting in faster production times, lower costs, and higher quality products. Similarly, online retailers can use AI-powered chatbots to provide 24/7 customer support,...
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class vii chapter 1 Number system and computer arithmetic

D. Answer the following questions.
1. What are the symbols used in binary system?
Ans: 0 and 1.
2. Why do computer use binary number system?
Ans: Because computer circuits can only understand two digits , 0 and 1.
3. Write the rules to convert decimal into binary numbers.
Ans: write down the decimal number and continuously divide by 2 to give a result and a reminder of either a 1 or 0 untill the final result equals to zero.
4. What are the rules to be followed for binary addition?
Ans:  The rules are as follows,
1. 0+0=0
2. 0+1=1
3.1+0=1
4.1+1=10, here 0 is written under the same column and 1 is moved to next place as carry over.
5.1+1+1=10+1=11.
5. What is octal number system? How will you convert a binary number to octal number?
Ans: Octal number system is base 8 system. It uses the symbols 0 to 7.
      To convert from binary to octal we have to group the binary numbers from the least significant bit in group of 3 bits, each of the group is then expressed by its equivalent octal numbers.
6. What is hexadecimal system? List the symbols it uses.
Ans: Hexadecimal system is mainly used when  dealing with memory address location of computers.
        Hexadecimal system uses 16 symbols which are ten numerals 0 to 9 ans six alphabets A to F.

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