Presenation 1
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Binary is the language used by computers to represent numbers using only 0s and 1s. It uses a base-2 system where each place value is double the previous (1, 2, 4, 8, etc.), unlike the base-10 decimal system used for everyday numbers. To write a number like 9 in binary, you add place values (8 + 1) to get to the target number using only 0s and 1s, without being able to use other numbers like 4 or 2 as in incorrect examples. Understanding binary allows calculating the size of computer files by counting the number of bits (0s and 1s).
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The document discusses different systems for representing numeric values, including:
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- Floating point number representation using mantissa and exponent in binary
Binary presentation
This document provides an introduction to the binary number system used by computers. It explains that binary uses only the digits 0 and 1 to represent numbers, unlike the base-10 system that uses 0-9. It shows how each position in a binary number represents powers of 2, with the rightmost position being 20= 1, and each place to the left being twice the value. The document then demonstrates how to write different numbers like 9, 10, 18, and 33 in binary notation. It also explains that only 0s and 1s can be used and that odd and even numbers in binary can be determined by counting the 1s. Finally, it asks if numbers over 100 can be represented in binary.
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The binary number system represents numbers using only the digits 0 and 1. Each digit represents a power of 2, with the rightmost being 20=1, then 21=2, 22=4, 23=8, and so on. A binary number is written with digits in increasing powers of 2, so 1010 represents 1×8 + 0×4 + 1×2 + 0×1 = 10. The document introduces binary numbers, how they are written, and that they use a base-2 system with only two digits, 0 and 1, unlike the normal base-10 decimal system.
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خاص Binary
The binary number system represents numbers using only the digits 0 and 1. Each digit represents a power of 2, with the rightmost being 20=1, then 21=2, 22=4, 23=8, and so on. A binary number is written with digits in increasing powers of 2, so 1010 represents 1×8 + 0×4 + 1×2 + 0×1 = 10. The document introduces binary numbers, how they are written, and that they use a base-2 system with only two digits, 0 and 1, unlike the normal base-10 decimal system.
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Presenation 1
Binary is the language used by computers to represent numbers and data using only the digits 0 and 1. It uses a base-2 system, where each place value is worth twice as much as the place to its right. To write a number like 9 in binary, you figure out which place values (8, 4, 2, 1) need to be 1 by adding them together until you reach the number. So for 9 it would be 1x8 + 1x1. Practice converting more numbers to binary and completing worksheets to reinforce understanding of this base-2 numbering system.
Presenation 3n
This document provides information on applying binary knowledge and converting between binary and other number systems. It reminds the reader that in binary, each letter is represented by 8 numbers that double in value from 128 to 1. This numerical layout is shown to help with binary conversion. The reader is then instructed to open Activity 1 from mission 3 part 2 to practice these skills.
Presenation 1
Binary is the language used by computers to represent numbers and data using only the digits 0 and 1. It uses a base-2 system, where each place value is twice the previous, starting from the right (1, 2, 4, 8, 16, etc). To write a number in binary, you determine which place values need to be 1 by adding powers of two until you reach the desired number. For example, the binary number for 9 is 1001, using the place values of 8 (1) and 1 (1). Practice converting decimal numbers to binary and completing worksheets will help master the binary numbering system.
Presenation 2..
Within a computer, binary is used to encode and decode messages by translating letters into numeric codes using a binary alphabet, where each letter has an assigned code separated by slashes for different letters and spaces for separate words. The document discusses how binary can be used to create messages in English by encoding text as binary numbers that can then be decoded back into the original text, encouraging the reader to try encoding and decoding their own messages and name in binary in exercises provided.
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Presenation 3
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The document provides an overview of binary number systems and how they are used in computers. It begins by explaining that computers use binary rather than decimal. It then discusses:
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Binary is a base-2 numeral system that uses two symbols, 0 and 1, to represent values. Computers use binary to represent all data as combinations of 0s and 1s. Bytes are made up of 8 bits, each representing a single 0 or 1. Decimal numbers can be converted to binary by repeatedly dividing the number by 2 and noting the remainders as 1s or 0s in the binary representation. Hexadecimal is similar but uses 16 symbols to represent 4 binary digits, making it more compact and human-readable than binary. Binary is used by computers because of its simplicity and efficiency for digital logic.
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Presenation 1
Binary is the language used by computers to represent numbers and data using only the digits 0 and 1. It uses a base-2 system, where each place value is worth twice as much as the place to its right. To write a number like 9 in binary, you figure out which place values (8, 4, 2, 1) need to be 1 by adding them together until you reach the number. So for 9 it would be 1x8 + 1x1. Practice converting more numbers to binary and completing worksheets to reinforce understanding of this base-2 numbering system.
Presenation 3n
This document provides information on applying binary knowledge and converting between binary and other number systems. It reminds the reader that in binary, each letter is represented by 8 numbers that double in value from 128 to 1. This numerical layout is shown to help with binary conversion. The reader is then instructed to open Activity 1 from mission 3 part 2 to practice these skills.
Presenation 1
Binary is the language used by computers to represent numbers and data using only the digits 0 and 1. It uses a base-2 system, where each place value is twice the previous, starting from the right (1, 2, 4, 8, 16, etc). To write a number in binary, you determine which place values need to be 1 by adding powers of two until you reach the desired number. For example, the binary number for 9 is 1001, using the place values of 8 (1) and 1 (1). Practice converting decimal numbers to binary and completing worksheets will help master the binary numbering system.
Presenation 2..
Within a computer, binary is used to encode and decode messages by translating letters into numeric codes using a binary alphabet, where each letter has an assigned code separated by slashes for different letters and spaces for separate words. The document discusses how binary can be used to create messages in English by encoding text as binary numbers that can then be decoded back into the original text, encouraging the reader to try encoding and decoding their own messages and name in binary in exercises provided.
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Presenation 3
Binary is a base-2 numeral system that uses two symbols, 0 and 1, to represent values. It represents numbers using a combination of 0s and 1s, with each place value representing a power of two and doubling in value. The binary alphabet uses 8 binary digits (0s and 1s) to represent each letter, with the place values doubling from 128, 64, 32, 16, 8, 4, 2, to 1.
Lesson plan
The lesson plan discusses developing ICT-based models and testing predictions by changing variables and rules. It provides context for how the lesson fits into the overall topic. The learning objectives are to develop ICT-based models and test predictions. Assessment strategies involve self-assessment, peer assessment, and questioning. The lesson involves starter, main, and plenary activities where students will create graphs to model mobile phone plans and test predictions.
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Binary numbers can be represented using only two digits, 0 and 1. The binary system counts in powers of two, with the value of each digit place increasing by a factor of two from right to left. Binary numbers can be converted to other bases like octal and hexadecimal for convenience. Octal uses digits 0-7, grouping binary digits into sets of three. Hexadecimal uses digits 0-9 and letters A-F, grouping binary into sets of four. Converting between number bases involves rewriting the binary number into the appropriate groupings and finding the decimal equivalent of each group.
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Binary sheet in detail with visuals to understand binary conversions.
Binary sheet in detail with visuals to understand binary conversions.
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silo.tips_-chapter-1-the-binary-number-system-11-why-binary.pdf
silo.tips_-chapter-1-the-binary-number-system-11-why-binary.pdf
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Presenation 2
Within a computer, binary is used to encode and decode messages by translating letters into numeric codes using a binary alphabet, where each letter has an assigned code separated by slashes for different letters and spaces to separate words. The document encourages trying activities that allow encoding and decoding messages between binary and English by writing your own messages and name in binary.
Presentation
Students will work in pairs or groups to create a spreadsheet comparing aspects of mobile phone plans and design a persuasive poster about their chosen plan. Most students will be able to analyze the strengths and weaknesses of their plan and create an effective poster. Some high achieving students will create an in-depth spreadsheet and poster analyzing benefits to customers and the company, and will be able to critically review their work.
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The document outlines different levels of learning outcomes for students working with ICT-based models. All students will be able to develop models, test predictions by changing variables and rules, and review and modify models to improve accuracy and scope. Most students will be able to perform these tasks in more detail. Some students can develop models, test predictions, explain what worked and did not work, and review and modify models in more detail.
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Presenation 1
- 2. So what is Binary about? Binary is the language which is used by computers. It uses 0 and 1 to represent different numbers, it looks a bit like 0101001001100101010101010101010101 0100101110101010101010101010011010 101010101010101010101010101001010 1010101100110010101010101010101010 10100101010010101
- 3. Everyday we use general numbers like 0-9 We see number such as Hundreds, Tens, Units For the example ‘2’ could actually represent 200 This is called ‘base 10’ where each position to the left is worth 10x more than the right, such as, 200, 20, 2
- 4. Binary used ‘Base 2’ This is where each position to the left is work 2x as much as the right. 16, 8, 4, 2, 1
- 5. So how do we write numbers in binary?
- 6. So, to write numbers in Binary you only have to be able to add. For example: If I wanted to write 9 as a Binary number I have to see which columns I can use to get to 9 16 8 4 2 1 0 1 0 0 1 I would put a 1 in the place that has the value of ‘8’, zeroes in the ‘4’ and ‘2’ columns and a 1 in the ‘1’ column. (1 x 8) and (1 x 1) gives me 9
- 7. But couldn’t I get to 9 like this? 16 8 4 2 0 0 0 4 Or 16 8 4 2 0 0 1 2 1 1 1 1
- 8. No Binary only uses 1s and 0s. Here are some more examples: 32 16 8 4 2 1 1 0 1 0 0 0 = 40 0 0 0 1 1 0=6 0 1 0 0 0 1 = 17
- 9. So when we work out binary, we find out how big the file is. For example if it adds up to 9 this means it is 9 bits of information. And 8 bits equals 1 byte of information.
- 10. Try completing worksheet 1 and worksheet 2, these will be found on the mission 1 page on part 2. Once you’ve completed them upload them onto the upload section so I can see how your getting on.