Technically

Technically

Share this post

Technically
Technically
What are computers?
Copy link
Facebook
Email
Notes
More

What are computers?

Computers take directions and do them exactly, like investment bankers

Justin's avatar
Justin
Dec 21, 2019
∙ Paid
45

Share this post

Technically
Technically
What are computers?
Copy link
Facebook
Email
Notes
More
Share

The TL;DR

Computers are special machines that take directions from software and execute them.

  • Software gives computers instructions (show this! calculate that!) and computers listen to those instructions as best as they can

  • The three main pieces of a computer are CPU, RAM, and Disk

  • Computers work by sending electrical currents through millions of tiny switc…

Keep reading with a 7-day free trial

Subscribe to Technically to keep reading this post and get 7 days of free access to the full post archives.

Already a paid subscriber? Sign in
© 2025 Justin
Privacy ∙ Terms ∙ Collection notice
Start writingGet the app
Substack is the home for great culture

Share

Copy link
Facebook
Email
Notes
More