Basic concepts of computer

In this lesson, you will learn about basics computer organization and concepts, its characteristics (speed, accuracy, diligence, versatility, and storage capacity) that have contributed towards making it such a popular device. The differences between concepts like hardware/software, system/application software, ROM/RAM was also explained. Various types of input, output and secondary storage devices along with their usages, were also studied

Table of contents

• Introduction
• Objectives
• Characteristics of computers
• Speed
• Accuracy
• Diligence
• Versatility
• Storage capacity
• Computer organization
• Functional units
• Input units
• Output units
• Processing
• Arithmetic Logic Unit
• Control Unit
• Memory
• Secondary Memory
• Hard Disk
• Input / Output Devices
• Keyboard
• Mouse
• Touchpad
• Magnetic ink character recognition (MICR)
• Optical mark recognition (OMR)
• Scanner
• Output Devices
• Monitor
• Printer
• Sound cards and Speaker(s)
• Computer software
• System software
• Application software
• Database software
• Computer language
• Machine language
• Assembly language
• High-level language
• Compiler & Interpreter
• Windows desktop element
• Searching Files and Folders
• Changing System settings
• Using Windows Explorer
• Protecting computer system using antivirus software

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