Download
Skip this Video
1 / 10
Negative Numbers - PowerPoint PPT Presentation
- 154 Views
- Uploaded on
Negative Numbers. Lecture L2.3 Section 2.4. Ignore carry. Negative Numbers. Subtract by adding. 73 -35 38. 73 +65 138. 10’s complement. Negative Numbers. 10’s complement : Subtract from 100. Take 9’s complement and add 1. 100 -35 65. 99 -35 64 +1 65.
Download Presentation 
An Image/Link below is provided (as is) to download presentation
PowerPoint Slideshow about 'Negative Numbers' - hall-reynolds
An Image/Link below is provided (as is) to download presentation
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.
While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
Negative Numbers
10’s complement:
Subtract from 100
Take 9’s complement and add 1
100
-35
65
99
-35
64
+1
65
Negative Numbers
2’s complement:
Subtract from
Take 1’s complement and add 1
100000000
01001101
10110011
11111111
-01001101
10110010
+1
10110011
Negative NumberTake 2’s Complement
110 = 0116 = 00000001
-110 = FF16 = 11111111
12810 = 8016 = 10000000
-12810 = 8016 = 10000000
Signed Numbers
4-bit: 8H = -8 to 7H = +7
1000 to 0111
8-bit: 80H = -128 to 7F = +127
16-bit: 8000H = -32,768 to
7FFFH = +32,767
32-bit: 80000000H = -2,147,483,648 to
7FFFFFFFH = +2,147,483,647
