Representation Of Data

The Software Developers View of Hardware Representation of Data within a Computer System

Syllabus ,[object Object],[object Object],[object Object],[object Object],[object Object]

Why does this mean? ,[object Object],[object Object],[object Object],[object Object],[object Object]

How does a computer work? INPUT DECODE PROCESS OUTPUT 001010010100101001101010101010101001010000101010111111100101

Representation of Data ,[object Object],Decimal Input Binary Control Binary Processing Decimal Output Hexadecimal Storage

Representation of Data ,[object Object],[object Object]

Understanding Binary Numbers ,[object Object],[object Object]

One 255 watt bulb and a dimmer ,[object Object]

But there is a problem... ,[object Object],[object Object]

Too much guesswork! ,[object Object],[object Object]

So what about this? ,[object Object]

So what about this? ,[object Object],[object Object]

In other words... 00100101 = 37

Converting Binary To Decimal ,[object Object],[object Object],[object Object],[object Object]

Converting Binary To Decimal ,[object Object],[object Object],[object Object],1 2 4 8 16 32 64 128

Converting Binary To Decimal ,[object Object],[object Object],[object Object],[object Object],1 1 0 0 1 0 1 1 1 2 4 8 16 32 64 128

Converting Binary To Decimal ,[object Object],[object Object],[object Object],1 1 0 0 1 0 1 1 1 2 4 8 16 32 64 128

Converting Decimal To Binary ,[object Object],[object Object],[object Object],1 2 4 8 16 32 64 128

Converting Decimal To Binary ,[object Object],[object Object],[object Object],1 0 1 2 4 8 16 32 64 128

Converting Decimal To Binary ,[object Object],[object Object],[object Object],1 1 0 1 2 4 8 16 32 64 128

Converting Decimal To Binary ,[object Object],[object Object],[object Object],[object Object],1 1 0 1 2 4 8 16 32 64 128

Converting Decimal To Binary ,[object Object],[object Object],[object Object],[object Object],1 0 1 1 0 1 2 4 8 16 32 64 128

Converting Decimal To Binary ,[object Object],[object Object],[object Object],[object Object],0 1 1 1 0 1 1 0 1 2 4 8 16 32 64 128

ACTIVITY 1 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ACTIVITY 2 ,[object Object],[object Object],[object Object],[object Object],[object Object]

Character Representation ,[object Object],[object Object]

Character Representation ,[object Object],[object Object],[object Object],[object Object]

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