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The Complete and Official Information of Introduction to Computer – Basic Parts of Computer in English 2022.
Introduction to Computer
Computer Literally means “to calculate” but the Modern Day computer s which are all using in life more than calculating.
Let’s understand the overview of Computer
- Computers are Integral part of our everyday existence.
- Literal meaning of computer is a device that can calculate.
Definition of Computer
Computer is an electronic device that receives input, stores or processes the input as per user instructions and provides output in desired format.
Input Process Output Model
- Computer input is called Data
- Data – any raw information, raw facts, figures called Data.
- Output Obtained after processing Data, based on user’s instruction is called Information.
- Raw facts and figures which can be processed using arithmetic and logical operations to obtain information are called data.
- Processes that can be applied to data are of two types
- Arithmetic Operations
- Logical Operations
Diagram of Working Model of Computer
Basic Parts of Computer
- Input Unit – Devices used to input data and instructions
- Output Unit – Devices used to provide information to the use in desired format
- Control Unit – All devices or parts of computer interact through the control unit
- Arithmetic Logic Unit – All Arithmetic operations and logical operations take place.
- Memory Unit – All input data, instruction and Data Interim to the processes are stored in the memory, memory is of two types
- Primary Memory
- Secondary Memory
Control Unit, Arithmetic Logic Unit and Memory are together called the Central Processing Unit or CPU
Computer devices that we can see and touch are the hardware components of a computer
Set of instructions or programs that make the computer function using theses parts are called Software
