IST 195 1st Edition Lecture 10Outline of Last Lecture I. Computing HardwareII. CPUIII. PortsIV. RAMV. Hard DriveOutline of Current Lecture VI. BinaryVII. Decimal vs BinaryVIII. Language ChartsIX. Byte SizesCurrent LectureBinary - anything digital communicates in "bits" - a bit is a binary value o it can only have two possible values o either on (1) or off (0) - a byte is 8 bits long (256 values) Decimal vs Binary - the decimal system works on base 10 (with ten possible value) - binary data works on base 2 Ex.) Convert decimal number 65 to binary - 256 - 128 - 64 - 32 - 16 - 8 - 4 - 2 - 1 - 0 - 0 - 1 - 0 - 0 - 0 - 0 - 0 - 1 o 001000001 = 65 o 000001010 = 10 - Keep the numbers you are going to need to add up to the decimals from left to right Language Charts - ASCII chart - a 7 bit chart (128 values) has every symbol (even space) and letter in the English language, convert letter, number or symbol to a binary value - Unicode - universal character encoding chart that represents every single language in the world - the words IST195 Rocks are 12 bytes - refer to an ASCII chart to find the decimal equivalent of each letter and then find the binary codefor the letter These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.Byte
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