Please enable JavaScript.
Coggle requires JavaScript to display documents.
CLASSIFICATION OF COMPUTER HARDWARE - Coggle Diagram
CLASSIFICATION OF COMPUTER HARDWARE
Definition
•Computer hardware is the collection of physical elements that constitutes a computer system.
SUCH
AS
EXAMPLE:
Monitor
Mouse
Keyboard
Motherboard
All of which are physical objects that can be touched.
External computer hardware :
(DEVICE EXAMPLE)
(Output device)
Monitor,speakers,printer
(Storage device)
external hard disk, card reader/writer, memory cards, hard disk drive, optical disk drive, USB flash drive, system unit
(Internal Output)
Web cam,mouse,keyboard,scanner,microphone
(Communication device)
Modem
Internal Computer Hardware
-PROCESSOR(UNDER THE HEATSINK)
-MOTHERBOARD(WITH PORTS)
-STORAGE(HARD DRIVE)
-GRAPHIC CARD
-STORAGE(OPTICAL DRIVE)
-POWER SUPPLY(CONVERTS ELECTRICITY SO IT CAN BE USED BY THE COMPENANTS)
-MEMORY(RAM)
Input/output devive
input devices
Example: keyboards, mouse, scanner, touchscreen
converts input into digital signals
output devices
Example: monitor, printer, speaker, braille display
converts digital signal into human-readable form
MEMORY
SECOND MEMORY
PRIMARY MEMORY
RAM(volatile):Temporary data storage
ROM(non-volatile):Stores bootloader
EXAMPLES:HDD,SSD,USB DRIVES
Used for permanent storage
CACHE MEMORY
High-speed memory between CPU and RAM
THE CPU
Functions
Process instructions and data
Perform arithmetic and logic operations
Components
Control Unit (CU): direct operation
Arithmetic Logic Unit (ALU): Perform calculation
Registers: Stores data temporarily