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Comp Sci EOT Theory

QuestionAnswer
Hardware Physical components (Ex. CPU, Hard disk, Keyboard, Mouse)
Software Non-physical components (Programs running on computer)
RAM Random Access Memory Main Memory
Hard Disk Secondary Memory
OS Operating System Resides in the hard disk, loaded to RAM during the starting up of the system Starts functioning once moved to the RAM and computer turns on Access is restricted to technical users (not user-friendly) Ex. Mac OS, Windows, iOS, Android
Application Software Programs which do specific tasks User Friendly Stored in the hard disk (Also in offline storage like DVD/USB/Pen drive) When opened the necessary modules are loaded onto RAM and control is transferred to the program in the memory
General Purpose Software Word, Powerpoint, Chrome, Excel, Email, Graphics Software
Special Purpose Software Stocks, Library systems, School management, Banking systems
Data (Application Software) When small and simple stored as part of the program itself Usually data is too large for that and is stored separately in data base management systems (DBMS).
Program (Application Software) High Level Languages converted to Low Level languages through compiler
Machine Code Binary 0s and 1s Only language the machine can understand, all languages are translated down to this through compilers
Source Code A program written in its original language Easily understandable
Compilers Convert high level languages to low level languages Each language needs a different compiler Different CPUs support different things Compilation goes from the OS to CPU Application software goes through the OS and doesn't need to compile to the CPU an
Created by: koala25
Popular Computers sets

 

 



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