Characteristics of Computer: Factors Behind Computing Power

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Characteristics of Computer: Factors Behind Computing Power

Sameeksha Medewar
Last updated on June 20, 2024

    Without a doubt, computer systems have become an integral part of human beings. They have brought a significant and impactful revolution, making human lives easier and more convenient, which was once unimaginable.

    Computers have come a long way with the ability to automate various tasks and store large volumes of information. Communication, sending emails, watching entertainment stuff, online meetings, online shopping, and many others have become accessible at the fingertips, thanks to computer systems.

    Businesses, organizations, and enterprises heavily rely on computers as they streamline their workflow, automate various operations, and improve efficiency. Also, they play a vital role in the medical, education, and transportation sectors.

    With this increasing reliance on computer systems in today’s era, it is important to understand their characteristics. Let us discuss the significant characteristics of computer systems in this article.

    What is a Computer?

    A computer is an electronic device or machine programmed to carry out arithmetic and logical operations without human intervention and accomplish tasks as instructed by users. It combines hardware, a software program (an operating system ), and peripheral devices, such as a keyboard, mouse, printer, etc.

    Basically, a computer accepts raw data from users through input devices, processes it using the processor or CPU ( Control Processing Unit ), and displays the output on the output devices.

    10 Basic Characteristics of Computer Systems - Every User Must Know

    Basic Characteristics of Computer Systems

    1. Speed/Processing Power

    A computer system is known for its impressive processing power or speed. It performs complex operations (performs calculations, executes algorithms , and processes and manipulates vast information) and generates output within fractions of a second or blink of an eye. Additionally, it handles tasks that would be impossible and time-consuming for humans.

    For human beings, the smallest unit of time is considered a second. However, for computers, it is milliseconds, microseconds, nanoseconds, and microseconds. They can handle billions to trillions of instructions per second, depending on the computer architecture, processor, and instruction set and its complexity.

    2. Accuracy

    Another characteristic of computer systems is accuracy. As they are programmed beforehand to perform tasks, they generate accurate results. They carry out any operation, whether performing a simple calculation or executing a complex algorithm, with high accuracy and precision, which is almost 100%.

    The accuracy and precision of computer systems make them an inevitable device in the fields of scientific research, engineering , financial institutions, and other fields where accuracy is paramount.

    There may be the occurrence of minimal errors in computer systems. However, it may be due to errors in input given by humans. Hence, the popular term GIGO (Garbage In Garbage Out) is widely used for computer accuracy. This means if the input is inaccurate, so does the output.

    3. Diligence

    One of the most interesting characteristics of computer systems is diligence. Unlike humans, they do not get tired and lose concentration due to continuous and constant work. They can perform repetitive, mundane tasks for hours without errors and glitches.

    What's more remarkable is that computers maintain accuracy and speed regardless of the number of jobs they perform. The power supply is the only requirement for computers to work for long periods.

    4. Versatility

    Versatility is another characteristic of computer systems that has contributed to their widespread popularity. They can perform diverse tasks, including communication, data storage, and data processing , and the list is endless. While performing these tasks, they are efficient with accuracy. Hence, a computer is not simply a calculating machine now.

    5. Reliability

    Computers are reliable because they generate accurate and quick results. Additionally, they can store vast volumes of data, enabling organizations to retrieve it as and when needed. Human errors or incorrect input may be the primary reason, even if they generate inaccurate results.

    Hence, computers are the devices or tools that organizations and other institutions can rely heavily on.

    6. Consistency

    Computer systems can process billions of instructions and work continuously without errors or flaws. Hence, they are consistent. We can use them for long hours without any disturbance, providing the power supply.

    Additionally, computers generate consistent results. This means they generate the same output if you feed the same data multiple times.

    7. Memory

    Another significant characteristic of computer systems is memory, which stores huge amounts of data. Here, memory refers to the primary memory , i.e., RAM (Random Access Memory). It is a volatile memory that stores data temporarily. As soon as the computer shuts down, it loses all the data it stores.

    Another type of memory in computer systems is ROM (Read Only Memory). It is a non-volatile memory that stores data permanently and does not lose it even if the system shuts down.

    There are units of memory that measure its storage capacity. These units are megabytes (MB), gigabytes (GB), and terabytes (TB).

    8. Storage Capacity

    Computer memory is responsible for its storage capacity. Modern computers come with an increased storage capacity, allowing you to store more data. Besides the computer’s primary memory for storage, there is an option for secondary memory , known as backup or additional memory.

    USB drives, memory cards, optical drives, hard disk drives (HDDs) and solid state drives (SSDs) are examples of secondary memories. You can connect and disconnect these external storage devices from the computer as and when needed.

    9. No Feeling No IQ

    Being a machine made of various components, a computer has no feelings and no human-like brain. Programmed or instructed to perform different tasks, it does not have its own intelligence. It lacks the ability to think and feel like humans.

    Computers rely solely on input and programming to generate the desired output and perform different functions . Hence, a computer generates the wrong output if a user enters incorrect input.

    10. Automation

    Automation is another major characteristic of a computer. It refers to the ability to automatically carry out tasks or processes without human intervention. You can automate many routine tasks, such as data backups, task reminders and notifications, software maintenance and updates, file download, security scanning, system diagnostics, etc.


    These were some prominent characteristics of computer systems. Every beginner must know these computer traits to understand their importance and gain insights into their abilities. All the features mentioned above have made human life easier and more convenient.

    If you are intrigued by any other characteristics of a computer, do let us know in the comments.

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