Data Types and Representation - sullivaneg/TechJournal-SYS140 GitHub Wiki
Sys-140 System Fundamentals
Data Types and Representation
Binary: I came into this course with a basic understanding of how binary works, this was a good refresher. Everything is either on or off, 1 or 0. Systems that run on 1 and 0's use some sort of logic to determine whether they are on or off.
| Input 1 | Input 2 | Remainder | Summation |
|---|---|---|---|
| 1 | 1 | 1 | 0 |
| 1 | 0 | 0 | 1 |
| 0 | 0 | 0 | 0 |
| 0 | 1 | 0 | 1 |
- OR gate: either input 1 is 1 or input 2 is 1 or both
- AND gate: Remainder column of the input table, only happens when both inputs are 1's
- XOR gate: Summation column of the input table, it's the OR gate minus the AND gate.
Class 1:
- We attempted to sign into the cyber accounts on the computers in the lab. I had to release the email about my password from my quarantine. Then my computer didn't turn on so I'm not sure if my login works or not yet.
- We also went over what Furkan said would be about 80% of the class. It was a little overwhelming since I don't know a lot about how a computer works but he did say it was okay not to understand it, since we would go over it in detail in class. We talked about the CPU and registries and memories and how one line in a command line leads to a bunch of different processes.