1 / 8

NUMBER SYSTEM AND CODES

5. NUMBER SYSTEM AND CODES. LEACH, MALVINO & SAHA. Why binary numbers are used. Almost all digital computers and systems are based on binary (two-state) operation. For instance, the switch shown in figure can be open or closed; therefore, a switch is one example of a natural binary device.

daryl-bright
Télécharger la présentation

NUMBER SYSTEM AND CODES

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. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. 5 NUMBER SYSTEM AND CODES LEACH, MALVINO & SAHA

  2. Why binary numbers are used • Almost all digital computers and systems are based on binary (two-state) operation. For instance, the switch shown in figure can be open or closed; therefore, a switch is one example of a natural binary device. Transistor ckt switch Tape rec. Disk drive

  3. Binary-to-Decimal Conversion • Positional notations and weights • Binary Weights • Streamlined Method • Fractions • Mixed Numbers

  4. Decimal-to-binary Conversion • Double Dabble • Fractions • Useful Equivalents

  5. Octal Numbers • Octal-to-Decimal Conversion • Decimal-to-Octal Conversion • Fractions • Octal-to-Binary Conversion • Binary-to-Octal Conversion

  6. Hexadecimal Numbers • Hexadecimal-to-Binary Conversion • Binary-to-Hexadecimal Conversion • Hexadecimal-to-Decimal Conversion • Decimal-to-Hexadecimal Conversion

  7. OTHERS • The ASCII Codes • The Excess-3 Code • The Gray Code

  8. Others • Gray Code • The advantage of such coding will be understood from this example • The disadvantage with gray code is that it is not good for arithmetic operation. Object moving along a track with sensors (a) binary coded and (b) gray coded. (a)Binary to Gray converter and (b)Gray to Binary converter

More Related