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Computer Systems - Coggle Diagram
Computer Systems
Classification of Computer
BASED ON SIZE
SUPERCOMPUTERS
PARAM
JAGUAR
Roadrunner
MINI COMPUTER
HP
Data general
Tandem
MICROCOMPUTER
Laptop
Desktop Pc
Tablet
MAINFRAME COMPUTER
IBM z Series
System z9
System z10 servers
BASED ON FUNCTIONALITY
SERVERS
Security server
Database server
INFORMATION APPLIANCES
Mobile devices
WORKSTATION
For Personal work
Commercial work
BASED ON HANDLING
Analog
Processes continuous data
Digital
Processes discrete data
Hybrid
Combination of analog & digital
COMPUTER HARDWARE
CENTRAL PROCESSING UNIT (CPU)
Processes instructions & Data
Performs arithmetic & logic operations
Component
Control Unit (CU)
Arithmetic Logic Unit
Registers ; stores data temporarily
INPUT / OUTPUT DEVICES
Input devices
Keyboard
Scanner
Mouse
Output devices
Monitor
Printer
Speakers
MEMORY
Primary Memory
RAM
Secondary Memory
USB
Cache Memory
High-speed memory between CPU & RAM
ROM
INTERNAL COMPUTER HARDWARE
Memory
Storage
Processor
Motherboard
Graphics card
Power supply
EXTERNAL COMPUTER HARDWARE
Memory Card
Printer
Speakers
SYSTEMS SOFTWARE
OPERATING SYSTEM
SYSTEM UTILITIES
DEVICE DRIVERS
APPLICATION SOFTWARE
GENERAL PURPOSE
CUSTOMISED
BUSINESS SOFTWARE
COMMUNICATION SOFTWARE
GRAPHICS SOFTWARE
EDUCATION & REFERENCE SOFTWARE
ENTERTAINMENT & LEISURE SOFTWARE
INTEGRATED SOFTWARE