chapter5 Flashcards

numbering systems

1
Q

basic meaning of a number

A
position = position from right starting at 0
digit = number in that position

add each digit*base^position

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2
Q

0x0

A

0000

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3
Q

0x1

A

0001

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4
Q

0x2

A

0010

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5
Q

0x3

A

0011

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6
Q

0x4

A

0100

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7
Q

0x5

A

0101

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8
Q

0x6

A

0110

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9
Q

0x7

A

0111

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10
Q

0x8

A

1000

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11
Q

0x9

A

1001

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12
Q

0xA

A

1010

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13
Q

0xB

A

1011

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14
Q

0xC

A

1100

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15
Q

0xD

A

1101

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16
Q

0xE

A

1110

17
Q

0xF

A

1111

18
Q

bit

A

one single binary value

19
Q

nibble

A

group of 4 bits; single hexadecimal digit

20
Q

byte

A

group of 8 bits; 2 nibbles

21
Q

ASCII

A

coding for letters. each letter is represented by 2 bytes

22
Q

converting binary to hexadecimal

A

translate each group of 4 bits and concatenate