Classification Of Computers


Welcome to the comprehensive course material overview on the Classification of Computers in the field of Data Processing. In this study, we will delve into the fascinating world of computers and how they are categorized based on various criteria such as type, size, and usage.

Computers come in different types, each designed for specific purposes and functionalities. These types include supercomputers, mainframe computers, mini computers, and microcomputers. Supercomputers are incredibly powerful machines capable of handling complex calculations and simulations at an unparalleled speed. Mainframe computers are known for their reliability and are commonly used in large organizations for critical data processing tasks. Mini computers, on the other hand, are smaller in size compared to mainframes but offer sufficient processing power for mid-sized businesses. Microcomputers, also known as personal computers, are the most common type used by individuals and small businesses for everyday computing tasks.

Size is another important aspect of computer classification. Computers can be categorized based on their physical dimensions and processing capabilities. Supercomputers and mainframes are typically large in size and occupy entire rooms due to their complex architecture and high processing power. Mini computers are smaller than mainframes but larger than microcomputers, making them suitable for businesses requiring moderate computing power. Microcomputers are the smallest in size and are designed for personal use, ranging from desktop computers to laptops and handheld devices.

Furthermore, computers can be classified based on their usage across various industries and sectors. Supercomputers are extensively used in scientific research, weather forecasting, and military applications where massive computational power is essential. Mainframe computers are prevalent in banking, healthcare, and government organizations for handling large-scale data processing tasks. Mini computers find their niche in manufacturing, engineering, and education sectors that require medium-level computing capabilities. Microcomputers, being versatile in nature, are widely used in offices, homes, schools, and virtually every aspect of modern society.

By understanding the classification of computers based on type, size, and usage, individuals can make informed decisions on selecting the most suitable computer systems for their specific needs. This knowledge also provides valuable insights into the technological advancements driving the evolution of computers across different sectors.


  1. Differentiate between the classifications of computers based on type, size, and usage
  2. Identify the various sizes of computers
  3. Understand the different types of computers
  4. Recognize the diverse uses of computers

Lesson Note

Computers are an integral part of our daily lives, from the smartphones we use to the large servers that run essential services. Understanding the classification of computers based on *type*, *size*, and *usage* is crucial for anyone embarking on the study of data processing and computing.

Lesson Evaluation

Congratulations on completing the lesson on Classification Of Computers. Now that youve explored the key concepts and ideas, its time to put your knowledge to the test. This section offers a variety of practice questions designed to reinforce your understanding and help you gauge your grasp of the material.

You will encounter a mix of question types, including multiple-choice questions, short answer questions, and essay questions. Each question is thoughtfully crafted to assess different aspects of your knowledge and critical thinking skills.

Use this evaluation section as an opportunity to reinforce your understanding of the topic and to identify any areas where you may need additional study. Don't be discouraged by any challenges you encounter; instead, view them as opportunities for growth and improvement.

  1. What are the different types of computers? A. Supercomputers, Mainframe computers, Personal computers B. Laptops, Tablets, Smartphones C. Input devices, Processing devices, Output devices D. Hardware, Software, Firmware Answer: A. Supercomputers, Mainframe computers, Personal computers
  2. How can computers be classified based on size? A. By the size of the screen B. By the weight of the computer C. By physical dimensions and computing power D. By the color of the computer case Answer: C. By physical dimensions and computing power
  3. Which of the following is a usage classification of computers? A. Gaming computers B. Office supplies C. Printing machines D. Air conditioners Answer: A. Gaming computers
  4. The size classification of computers ranges from: A. Nano, Micro, Macro B. Small, Medium, Large C. Super, Ultra, Mega D. Mainframe, Supercomputer, Microcomputer Answer: A. Nano, Micro, Macro
  5. What is the main criteria for classifying computers by type? A. Physical size B. Operating system C. Processor speed D. Purpose and capabilities Answer: D. Purpose and capabilities
  6. Which of the following is not a type of computer classification? A. Analog computers B. Digital computers C. Hybrid computers D. Quantum Computers Answer: B. Digital computers
  7. What does the classification of computers based on usage refer to? A. The physical size of the computer B. The shape of the computer case C. The intended purpose of the computer D. The color of the keyboard Answer: C. The intended purpose of the computer
  8. Classifying computers by usage helps to: A. Determine the weight of the computer B. Identify the color of the computer case C. Understand the intended purpose of the computer D. Measure the physical dimensions of the computer Answer: C. Understand the intended purpose of the computer
  9. Which of the following is not a size classification of computers? A. Mainframe computers B. Wearable computers C. Supercomputers D. Microcomputers Answer: B. Wearable computers

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Past Questions

Wondering what past questions for this topic looks like? Here are a number of questions about Classification Of Computers from previous years

Question 1 Report


A student was given an assignment which involved typesetting a passage at home using a laptop computer. The student was required to bring the soft copy of the assignment in a flash drive with volume label STUDENT ASSIGNMENT to the school. Highlight the steps the student would take to: (a) save the typeset work in the flash drive (b) create a folder named ASSIGNMENTS on the desktop of  computer in the school's computer laboratory and save the typeset assignment in the folder (c) prit the assignment from the folder created in 5(b).

Practice a number of Classification Of Computers past questions