What computers do
Computers preform four basic functions:
Receive input: Accept information from outside world
Process information: Perform arithmetic or logical operations on information
Produce output: Communicate information to outside world
Store information:Store and retrieve information from memory and storage devices
Receive input: Accept information from outside world
Process information: Perform arithmetic or logical operations on information
Produce output: Communicate information to outside world
Store information:Store and retrieve information from memory and storage devices
![Picture](/uploads/4/9/6/2/49627667/918795.jpg?1432694307)
Hardware components:
-Input devices: keyboard and mice
-Output devices: monitor. Printer, speaker
-Microprocessor (CPU) is the brain
-Memory and storage devices
-Input devices: keyboard and mice
-Output devices: monitor. Printer, speaker
-Microprocessor (CPU) is the brain
-Memory and storage devices
- Primary storage ram store programs and data
- Secondary storage hard disk , drive, and USB