C 1.23 S 5 C 1.23 S 5 C 1.24 His name’s José García. He’s 13. He’s from Spain.
1.11, 1.12, 1.13, 1.14, 1.18, 1.20, 1.23, 1.24, 1.25, 1.32, 1.33
description
Transcript of 1.11, 1.12, 1.13, 1.14, 1.18, 1.20, 1.23, 1.24, 1.25, 1.32, 1.33
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1.11, 1.12, 1.13, 1.14, 1.18, 1.20, 1.23, 1.24, 1.25, 1.32, 1.33
( 47 )8 = ( 100 111 )2
( 47 )16 = ( 0100 0111 )2
( 20 )10
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1.12) 1011+101 , 1011 X 101
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1 1 0 0 1 1 - 0 1 1 1 0 1
1 1 0 0 1 1
0 1 1 1 0 1
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1.11) 111011 / 101
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1.18) Perform subtraction on the given unsigned binary numbers using the 2's complement of the subtrahend.Where the result should be negative, find its 2‘s complement and affix: a minus sign.
1 0 0 1 1 – 1 0 0 0 1 | 1 0 0 1 – 1 0 1 0 0 0
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Overflow
40+30 ( 7 bit signed number )
0 _ 1 0 1 0 0 0 0 _ 0 1 1 1 1 0
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+49: 0 _ 1 1 0 0 0 1 -49: 1 _ 0 0 1 1 1 1
+29: 0 _ 0 1 1 1 0 1 -29: 1 _ 1 0 0 0 1 1
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Complement bit 6
A: 100 0001
a: 110 0001
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Other Codes
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ASCII Code• American Standard Code for Information Interchange (ASCII)
18
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ASCII Code• American Standard Code for Information Interchange (ASCII)
19
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ASCII Properties
– Digits 0 to 9 span Hexadecimal values 3016 to 3916
– Upper case A-Z span 4116 to 5A16
– Lower case a-z span 6116 to 7A16
– Lower to upper case translation (and vice versa) occurs by flipping bit 6.