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Binary, Hexadecimal and Data Units
Counting in base 2 and base 16, converting numbers, and how much data units hold.
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88 cards
- Binary uses which digits?Question0 and 1 (base 2)
- Decimal uses which digits?Question0 to 9 (base 10)
- Hexadecimal uses which digits?Question0 to 9 and A to F (base 16)
- Octal uses which digits?Question0 to 7 (base 8)
- BitQuestionA single binary digit
- ByteQuestion8 bits
- NibbleQuestion4 bits, one hex digit
- Place values in an 8-bit byteQuestion128, 64, 32, 16, 8, 4, 2, 1
- Binary 0 in decimalQuestion0
- Binary 1 in decimalQuestion1
- Binary 10 in decimalQuestion2
- Binary 11 in decimalQuestion3
- Binary 100 in decimalQuestion4
- Binary 101 in decimalQuestion5
- Binary 110 in decimalQuestion6
- Binary 111 in decimalQuestion7
- Binary 1000 in decimalQuestion8
- Binary 1001 in decimalQuestion9
- Binary 1010 in decimalQuestion10
- Binary 1111 in decimalQuestion15
- Binary 10000 in decimalQuestion16
- Binary 11111111 in decimalQuestion255
- Binary 10101010 in decimalQuestion170
- Binary 1100100 in decimalQuestion100
- Binary 100000 in decimalQuestion32
- Decimal 12 in binaryQuestion1100
- Decimal 20 in binaryQuestion10100
- Decimal 25 in binaryQuestion11001
- Decimal 50 in binaryQuestion110010
- Decimal 64 in binaryQuestion1000000
- Decimal 100 in binaryQuestion1100100
- Decimal 128 in binaryQuestion10000000
- Decimal 255 in binaryQuestion11111111
- Decimal 10 in hexQuestionA
- Decimal 11 in hexQuestionB
- Decimal 12 in hexQuestionC
- Decimal 13 in hexQuestionD
- Decimal 14 in hexQuestionE
- Decimal 15 in hexQuestionF
- Decimal 16 in hexQuestion10
- Decimal 31 in hexQuestion1F
- Decimal 32 in hexQuestion20
- Decimal 100 in hexQuestion64
- Decimal 255 in hexQuestionFF
- Decimal 256 in hexQuestion100
- Hex FF in decimalQuestion255
- Hex 10 in decimalQuestion16
- Hex 1A in decimalQuestion26
- Hex 20 in decimalQuestion32
- Hex 7F in decimalQuestion127
- Hex 80 in decimalQuestion128
- Binary 1111 in hexQuestionF
- Binary 1010 in hexQuestionA
- Binary 11110000 in hexQuestionF0
- Hex FF in binaryQuestion11111111
- Hex 0F in binaryQuestion00001111
- Powers of 2: 2^8Question256
- Powers of 2: 2^10Question1,024
- Powers of 2: 2^16Question65,536
- Powers of 2: 2^32Question4,294,967,296
- Number of values in 1 byteQuestion256 (0 to 255)
- Number of values with n bitsQuestion2 to the power n
- Number of values in 4 bitsQuestion16
- Largest unsigned 8-bit numberQuestion255
- Kilobyte (KB)QuestionAbout 1,000 bytes (1,024 in older binary usage)
- Megabyte (MB)QuestionAbout 1 million bytes
- Gigabyte (GB)QuestionAbout 1 billion bytes
- Terabyte (TB)QuestionAbout 1 trillion bytes
- Kibibyte, mebibyte (KiB, MiB)QuestionUnits based on exactly 1,024
- Hex color #FF0000QuestionRed
- Hex color #00FF00QuestionGreen
- Hex color #0000FFQuestionBlue
- Hex color #FFFFFFQuestionWhite
- Hex color #000000QuestionBlack
- ASCIIQuestionA code that gives each character a number, e.g. A is 65
- ASCII 'A' in decimalQuestion65
- ASCII 'a' in decimalQuestion97
- ASCII '0' in decimalQuestion48
- UnicodeQuestionA standard that gives a number to characters from all languages and emoji
- UTF-8QuestionA common way to store Unicode characters in bytes
- Two's complementQuestionThe method computers use to store negative numbers in binary
- Binary addition: 1 + 1Question10 (that is, 0 carry 1)
- Binary addition: 101 + 11Question1000
- Logic gate ANDQuestionOutputs 1 only if both inputs are 1
- Logic gate ORQuestionOutputs 1 if at least one input is 1
- Logic gate NOTQuestionFlips the input
- Logic gate XORQuestionOutputs 1 if inputs differ
- Why computers use binaryQuestionElectronic switches have two states, on and off
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