Int 2 data representation 2010

Course Outline ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Computer Systems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Aims of Lesson 1 ,[object Object],[object Object],[object Object],[object Object]

Data Representation 100 billion switches per sq. cm

Data Storage ,[object Object],[object Object]

Decimal Counting System ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How Positive Whole Numbers are Stored ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Binary back to Decimal ,[object Object],[object Object],[object Object],[object Object],[object Object]

Binary Bingo ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Aims of Lesson 2 ,[object Object],[object Object],[object Object]

Storage Capacities 0 or 1 = 1 bit 8 bits = 1 byte 1024 bytes = 1 Kilobyte 1024 Kilobytes = 1 Megabyte 1024 Megabytes = 1 Gigabyte 1024 Gigabytes = 1 Terabyte

Representing Non Whole Numbers ,[object Object],[object Object],[object Object],128 64 32 16 8 4 2 1 0.5 0.25 0.125 0.0625 1 0 0 0 0 0 0 0 1 1 0 0

Mantissa and Exponent ,[object Object],[object Object],[object Object],[object Object],[object Object],128 64 32 16 8 4 2 1 0.5 0.25 0.125 0.0625 1 0 0 0 0 0 0 0 1 1 0 0 1 0 0 0 0 0 0 0 1 1 0 0

[object Object],[object Object],[object Object],[object Object],[object Object],1 0 0 1 1 0 0 0 1 0 1 0 0 1 1 0 0 0 1 0 How do we represent the number 38.125 using floating point 32 16 8 4 2 1 0.5 0.25 0.125 0.0625

Representing Non Whole Numbers ,[object Object],[object Object],8 4 2 1 0.5 0.25 0.125 0.075 0.0375 0.01875 0.009375

Aims of Lesson 3 ,[object Object],[object Object],[object Object],[object Object]

Pixels/Resolution ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BIT Map Graphics SCREEN MEMORY PIXEL MEMORY REQUIRED 8 BITS X 8 BITS = 64 BITS = 8 BYTES Bit Map = the graphic is made up from a series of pixels

Graphics Resolution ,[object Object],[object Object],[object Object],Pixel Pattern using 8x8 grid Pixel Pattern using 16x16 grid

Calculating Storage Capacities of Bit Mapped Images ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],7

Aims of Lesson 4 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How is Text Represented ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],7 Character Binary Decimal tab 000 1001 9 return 000 1101 13 space 010 0000 32 ! 010 0001 33 ‘ 010 0010 34 1 011 0001 49 A 100 0001 65 a 110 0001 97

Binary Message ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Advantages of Using Binary ,[object Object],[object Object]

Int 2 data representation 2010

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Int 2 data representation 2010