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Computer Systems (Architecture of Embedded Computers (Inputting of data…
Computer Systems
Architecture of Embedded Computers
Inputting of data using specialized input devices like buttons
Processing of data using an integrated CPU
Storage of data using small quantity of RAM/ROM or internal memory/SD Cards
Output - LCD Screen
ROM - contains firmware (software related to hardware and stores technical settings)
OS - embedded in the internal memory of a dedicated purpose computer
General Purpose Computers
Designed to do a variety of jobs and general-purpose computing tasks.
Super Computer
5000+ users
50TB RAM; 2PB Seondary Storage
Very Expensive
Used for scientific research, climate modeling, mathematical modeling, aircraft design, oil exploration and geographical research
Mainframe
Users <5000
Used by banks, insurances and large business organisations
Server
Users <500
Used by schools/small businesses
Used to store a website (web server)
Main aim: sharing resources
Desktop PC
Used to perform daily computing tasks
Easily upgradeable
High performance
MAC
Manufactured and sold by Apple
Equipped with MAC OS
Graphic design
Integrated system within the monitor
Laptop
Same use of PCs
Portable
Netbooks
Very portable; smaller and cheaper than laptops
Low computing power and performance
Tablet
Accepts input via touchscreen
Embedded/Dedicated Purpose Computers
Designed to do a specific job but includes the use of important hardware components such as RAM, ROM, CPU and even software such as OS
Transport
GPS
Parking sensor/cameras
Stereos
Communication
Smartphones
Smart TVs
Telephones
Finance
Deposit machines
ATMs
Home
Microwave
Electronic oven
Airconditioner
Smart fridges
Security cameras
Home automation
Consumer Electronics
Calculators
Digital cameras
Gaming consoles