Home Videos Exercises MCQ Q&A
Lesson 1 of 10 – Basic Computer Introduction
10%

What is Computer?

Computer is an electronic device developed by Charles Babbage. It takes input, processes data and produces output.

Input → Process → Output

Components of Computer

Hardware

  • Input Devices
  • Output Devices
  • Storage Devices

Software

  • Application Software
  • System Software

Characteristics of Computer

  • Speed
  • Accuracy
  • Automation
  • Versatility
  • Storage
  • Reliability
  • Security
  • Diligence
  • Multitasking
  • Sharing

Files and Folders

What is Folder?

A folder is a container used to store files.

What is File?

A file is a collection of information stored in a computer.

Memory Units

UnitSize
Bit1 Bit
Byte8 Bits
Kilobyte1024 Bytes
Megabyte1024 KB
Gigabyte1024 MB
Terabyte1024 GB

🧠 Quiz

Computer is an ______ device?