Computer System and Its Component

• Computer is an electronic device used to process and convert data into meaningful information.
• Computers are controlled by program instructions which give the machine a purpose and tell it what to do.
• Information refers to data that has been organized and processed so that it becomes meaningful.
• Data is a collection of facts (numbers, letters, special symbols, or combination of these ) relating to events that take place.
• A computer system is a system of interconnected computers that share a central storage system and various peripheral devices such printer, scanner, or routers.
• Hardware refers to the physical component of computer.
• Input device is any hardware device that sends data to the computer.
• Output device is any peripheral that receives or displays output from a computer.
• The Central Processing Unit is responsible for handling all instructions and calculation it receives from other hardware components in the computer and software programs running on the computer.
• The Central Processing Unit is the brain of the computer.
• System unit

  
• Processor or Central Processing Unit

  
• A storage device is used for storing information.
• Random Access Memory

  
• Hard Disk Drive

  
• Software is a collection of instructions that enables a user to interact with the computer or have the computer perform specific tasks for them.
• Common types of software are System Software and Application Software
• Examples of system software are Mac OS, Microsoft Windows, Linux, iOS, Android, and BSD/OS
• Examples of application software are Chrome, Safari, Firefox, and Edge.
• Peopleware refers to anything that has to do with the role of people in the development or use of computer software and hardware systems.