Fundamental of Computer
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Transcript of Fundamental of Computer
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Computer Components
Hardware (architecture) Software (instruction set)
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Basic Hardware
Bits Bytes Registers Memory Processor Data Bus
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Hardware Components
Internal hardware– Microprocessor– Memory– Registers
External hardware– Input/Output Devices
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Software Organization
Programs Data files Operating System
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Computer storage
Bit– On : 1– Off : 0
Byte– data : 8 bits– parity : 1 bit (automatically setting)
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Related bytes
Word Doubleword Quadword Paragraph Kilobyte Megabyte
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Binary numbers
Bit value : 1 1 1 1 1 1 1 1Position value : 128 64 32 16 8 4 2 1Bit number : 7 6 5 4 3 2 1 0
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Binary arithmetic
Decimal Binary 65 01000001 +42 +00101010 107 01101011
Decimal Binary 60 00111100 +53 +00110101 113 01110001
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Negative Binary Numbers
Number +65 : 01000001Reverse the bits : 10111110Add 1 : 1Number -65 : 10111111
Reverse the bit value and add 1
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Hexadecimal Representation
Binary : 1011 1001 1100 1110Decimal : 11 9 12 14Hexadecimal : B 9 C E
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Homework (Submit before next week)
Processor Register Segment