Basic Computer Components

Basic Computer Components

1. Input Unit

   • Definition
     • Allows data entry into the computer
   • Examples
     • Keyboard, Mouse
   • Function
     • Converts input into computer-understandable language

2. Output Unit

   • Definition
     • Provides the results of processed data
   • Examples
     • Monitor, Printer
   • Function
     • Displays or produces results from the data

3. Memory Unit

   • Definition
     • Stores data and instructions
   • Types
     • RAM (Random Access Memory), ROM (Read-Only Memory)
   • Function
     • Saves and transmits data within the CPU

4. Control Unit

   • Definition
     • Manages the overall functioning of the computer
   • Function
     • Directs operations, processes instructions, and retrieves data
   • Role
     • Central processing actions

5. Arithmetic & Logical Unit (ALU)

   • Definition
     • Performs mathematical and logical operations
   • Functions
     • Addition, Subtraction, Multiplication, Division, Comparisons
   • Role
     • Executes calculations and decision-making actions

6. Central Processing Unit (CPU)

   • Components
     • Memory Unit, Control Unit, Arithmetic & Logical Unit
   • Role
     • The core processing unit; manages overall operations
   • Nickname
     • "Brain of the Computer"

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