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Computer Systems - Coggle Diagram
Computer Systems
Definition: Computer is a Latin word which means to calculate
Accept data (input)
Produce information (output)
Process data according to specific rules
Store information for future use
Classification Of Computers
Basis Of Size
Supercomputers
Mainframe computers
Mini computers
Microcomputers
Basis Of Functionality
Servers
Workstations
Informational Appliances
Basis Of Data Handling
Hybrid
Analog
Digital
Components Of Computers
Hardware
Internal
Central Processing Unit (CPU)
Control Unit (CU)
Arithmetic Logic Unit (ALU)
Registers
Memory
Primary memory
ROM(non-volatile
RAM(volatile)
Secondary memory
HDD
SSD
USD Devices
Cache memory
External
Monitor, mouse, keyboard
Computer data storage -
HDD and SSD
System unit
GPU, sound card, memory, motherboard and chips
Software
Application Software
General Purpose Software
Customised Software
System Software
System Utilities
Device Drivers