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# CSCI 115 - PowerPoint PPT Presentation

CSCI 115. Supplemental Chapter Computer Related Arithmetic. CSCI 115. § S.1 Binary Numbers (Base 2). § S.1 – Binary Numbers. Decimal Numbers – Base 10 10 digits Expanded form Binary Numbers – Base 2 2 digits Expanded form Convert binary to decimal Convert decimal to binary.

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Presentation Transcript

### CSCI 115

Supplemental Chapter

Computer Related Arithmetic

### CSCI 115

§S.1

Binary Numbers (Base 2)

§S.1 – Binary Numbers

• Decimal Numbers – Base 10

• 10 digits

• Expanded form

• Binary Numbers – Base 2

• 2 digits

• Expanded form

• Convert binary to decimal

• Convert decimal to binary

§S.1 – Binary Numbers

### CSCI 115

§S.2

Binary Arithmetic

§S.2 – Binary Arithmetic

• Subtraction

• Multiplication

• Division

§S.2 – Binary Arithmetic

• Anonymous Quote

• “There are 10 kinds of people in the world: those who understand binary numbers, and those who don’t.”

### CSCI 115

§S.3

Octal Numbers (Base 8)

§S.3 – Octal Numbers

• Octal Numbers – Base 8

• 8 digits

• Expanded form

• Convert octal to decimal

• Convert decimal to octal

• Convert octal to binary

• Convert binary to octal

• Arithmetic

• Subtraction

### CSCI 115

§S.4

• Hexadecimal Numbers – Base 16

• 16 ‘digits’

• Expanded form

• Convert hex to decimal

• Convert decimal to hex

• Convert hex to binary

• Convert binary to hex

• Arithmetic