Introduction to Operating Systems
Learn about how computers process data, the important hardware in every computer, and the basic functionalities of an operating system.
StartKey Concepts
Review core concepts you need to learn to master this subject
Main Functions of a Computer
Control Unit (CU)
Arithmetic and Logic Unit (ALU)
Registers
The CPU
Random Access Memory (RAM)
Hard Disks
The Mainboard
Main Functions of a Computer
Main Functions of a Computer
- Input is data we give to our computers through interactions
- Processing is comprised of the translation of input and the instructions given for output
- Memory is used to store either temporary or permanent information
- Output is the information that gets returned by the computer
There are four main functions of a computer that make user interaction possible:
- Input
- Processing
- Memory
- Output
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…