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It explains binary, bits, bytes, bandwidth, bit rate, latency, and protocols, then connects these ideas to how information travels via electricity, light, and radio. 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Does 1+1 =2, the answer to this is yes or no.)  \nLesson 3: Sending Binary Messages with the Internet Simulator  \nVocab:  \n- Bandwidth-transmission capacity measure by bit rate  \n- Bit-a contraction of “binary digit”; the single unit of information in a computer, typically represented as a 0 or 1.  \n- Bit rate-the number of bits that are conveyed or processed per unit of time  \no e.g. 8 bits/ sec  \n- Latency-Time it takes for a bit to travel from its sender to its receiver  \n- Protocol-a set of rules directing the transmission of data between multiple devices  \nNotes:  \nInternet: a tangible, physical system made to move information  \nWires, Cables, and Wifi  \n- The internet is similar to a mailbox system, but instead of delivering letters it delivers its information in bits  \n- A bit is binary code because it has only two possible values  \n- 8 bits= 1 byte  \n- 1024 bytes = 1 kilobytes  \n- 1024 kilobytes = 1 megabyte  \n- A song is made using 3 to 4 megabytes (MB)  \nHow we send bits  \n- Electricity  \no the operators use 0 and 1 to communicate to turn on the light and turn off the light.  \no A timer can be used so that the sender and the receiver could communicate better when they are turning on/off the lights.  \no Suppose you want to send one bit per second, you would turn it to 0 at one point and turn it to 1 at another point.  \no However, this is way too slow. To increase the number of bits sent per second, we will need to increase the bandwidth (maximum transition capacity of a device) .  \no Bandwidth is measured by bit rate (Number of bits that we can send over a given period of time, usually measured in seconds) .  \no Latency is another form of measurement, Time it takes for a bit to go from sender to receiver  \n- Light  \no Used to send a bit faster through long distances  \no A fiber optic cable is used to send bits through light  \no No signal loss  \no  \no  \n- Radio  \no  \no  \no  \no  \no  \nExpensive  \nHard to work with  \nShort range Send wirelessly  \nUses radio signal to send bits from one place to another Machines have to translate binary messages to radio waves Wireless router to physical router  \nLesson 4: Number Systems  \nNotes:  \n- We can make various place patterns  \n- The rules for a number system to be accurate is to have a pattern that you follow. For example, we can use math and order the objects to make different sets and variations by using decimal places.  \nLesson 5: Binary Numbers  \nNotes:  \n- The number system only consists of 0s and 1s and we have to figure out how to encode  \nthat using place values which is harder than the 10-number system where you just simply  \nsee the exact number in the tenths, hundredths, or thousands place value.  \nLesson 6: Sending Numbers  \nVocab:  \n- Protocol-a set of rules governing the exchange or transmission of data between devices  \nQuick Question:  \nYou have a coordinate grid that is 75 x 75. Assuming that you encode the x and y coordinate as separate numbers, what is the minimum number of bits that you will need to encode a coordinate in that space?  \nb)14  \nc)13  \nd)10 Answer: c  \nLesson 7: Sending Text  \nVocab:  \n- Abstraction-a simplified representation o","cbCaidalSj4LTOBa","https://ap.wps.com/l/cbCaidalSj4LTOBa","pdf",582097,"English","# Unit 1 - The Internet\n## Chapter 1\n## Lesson 1: Personal Innovations\n## Lesson 2: Sending Binary Messages\n## Lesson 3: Sending Binary Messages with the Internet Simulator\n## Lesson 4: Number Systems\n## Lesson 5: Binary Numbers\n## Lesson 6: Sending Numbers\n## Lesson 7: Sending Text\n## Chapter 2\n## Lesson 8: The Internet","[{\"question\":\"What does it mean that computer data uses only binary values?\",\"answer\":\"Binary uses only 0 and 1, and a bit represents a single unit of information with two possible values.\"},{\"question\":\"How do bandwidth, bit rate, and latency relate when sending bits?\",\"answer\":\"Bandwidth is tied to the maximum transmission capacity measured by bit rate, while latency is the time it takes a bit to travel from sender to receiver.\"},{\"question\":\"How do you determine the minimum bits needed to encode text or characters in ASCII?\",\"answer\":\"Use the encoding scheme described for ASCII and the question’s required character set (such as alphabet plus space) to find how many distinct values must be represented, then select the smallest bit length that can store them.\"}]","AP Computer Science Principles Study Guide - Unit 1 - Chapter 1 | PDF",1790735611,101]