Computing Comp 1
- Created by: james
- Created on: 04-04-13 08:02
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COMPUTING UNIT 1 NOTES
Chapter 5: Data Representation
Binary and hexadecimal numbers
- What is binary addition?
- What is binary multiplication?
- What is two's complement?
- Waht is hexadeciamal?
- What are real numbers?
Character coding schemes
- What are the two character coding schemes?
- What are the differences between the two character coding schemes?
- What are the four ways a computer checks for binary errors?
- Explain how each one works
- State the purpose of Gray code and its advantages
Bitmapped and Vector graphics
- Define a pixcel
- Define a bitmap
- Explain the steps of how an image is stored on the computer
- Define resolution
- Define colour depth
- Define Vector graphics
- What are the advantages and disadvantages…
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