Computer Basics
Learn about how computers work, important hardware, the troubleshooting method, and more!
StartKey Concepts
Review core concepts you need to learn to master this subject
Binary Numbering System
Main Functions of a Computer
Control Unit (CU)
Arithmetic and Logic Unit (ALU)
Registers
The CPU
Random Access Memory (RAM)
Hard Disks
Binary Numbering System
Binary Numbering System
Counting to 10 in binary:
Decimal Binary
0 0
1 1
2 10
3 11
4 100
5 101
6 110
7 111
8 1000
9 1001
10 1010
The binary numbering system is built on a base of 2
. Every time we reach a power of 2
, we add another digit. The decimal system works the same way, just with 10
.
How Computers Work
Lesson 1 of 1
- 1Computers make up the world around us - from robots to phones to our coffee machines, modern appliances are often powered by computers. We rely on this technology on a daily basis; therefore, we sh…
- 3Once we have some data, we need to process it so that our computer can figure out what we’re asking it to do and how to execute those requests. The job of processing information is given to the cen…
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