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Hardware - Coggle Diagram
Hardware
input devices
mouse
Inputs user movement
microphone
Inputs a sound by converting it into a code
scanner
Inputs a code
keyboard
Inputs characters and numericals
Graphics tablet
Inputs a user movement
camera
Inputs an image by converting it into a code
barcode scanner
Inputs a code obtained from a barcode
output devices
3D printer
Converts a code into an object
speakers
Converts a code into a sound
projector
Converts a code into a video
printer
Converts a code into an image
monitor
Converts a code into a video
headphones
Converts a code into sound
CPU
ALU
Control Unit
Program Counter
Secondary storage devices
Optical
DVD
Similar to cd
Bluray
similar to cd
CD
Stores binary encoded on disk, measured by lazer
Magnetic
Floppy Disks
Data is written onto a disk and read by magnetic polarization
Hard Disk Drives
An actuator arm with a read and write head attached moves across a spinning disk
Magnetic Tapes
Stores data on a loop of flexible metal
Solid state
Solid state drive
Stores data inside an integrated circuit
Memory stick
Stores data electronically
SD Cards
Stores electronically by adding or removing electrons.
Logic gates
OR gate
NOT gate
AND gate
RAM
Volatile
Memory is lost when the power is off/ interrupted
Stands for: Random access memory
Short term computer memory.
ROM
Stands for: Read only memory
Permanent computer memory.
Non-volitile
Memory isn't lost when power is interrupted
