Computer System
da Mai Aditya

1. Hard Disc
1.1. • It is a device that stores and provides relatively quick access to large amounts of data on an electromagnetically charged surface or set of surfaces.
2. Computer System
2.1. • A system of interconnected computers that share a central storage system and various peripherical devices such as printers, scanners or routers.
2.2. Hardware
2.2.1. • The physical electronic components of a computer for e.g. C.P.U., Monitor etc
2.3. Software
2.3.1. • These are the recorded instructions and programs that govern the working of a computer.
3. Memory
3.1. RAM
3.1.1. • RAM (Random Access Memory) is the memory or information storage in a computer that is used to store running programs and data for the programs.
3.2. ROM
3.2.1. • ROM (Read Only Memory) isa type of storage medium that permanently stores data on personal computers (PCs) and other electronic devices.
4. Output units
4.1. • An output device is any device used to send data from a computer to another device or user. Ex :-Monitor, Printers, Speakers
5. CPU
5.1. • The central processing unit (CPU) of a computer is a piece of hardware that carries out the instructions of a computer program.
5.2. Control Unit
5.2.1. • Control unit (CU) controls and guides the interpretation, flow and manipulation of all data and information.
5.3. Arithmetic Logic Unit
5.3.1. • Arithmetic logic unit isa part of computer that performs all arithmetic computations such as addition, substraction, multiplication etc.