Classification of Computer Based on size

Classification of Computer Based on size:-अगर आप किसी भी हिमाचल प्रदेश सरकारी नौकरी जिसे की HP JOA IT,Computer Operator & Data Entry Operator के पेपर की तैयारी कर रहे है तो आपके लिए यह पोस्ट बहुत महत्वपूर्ण है। अन्य part देखने के लिए रोज हमारी वेबसाइट चेक करे

Classification of Computer Based on size

Microcomputer:- This type of computer is the least powerful than other computers, which are based on size, yet the most widely used and is also called portable computer. Some types of microcomputer are as follows

(a) Desktop Computer or Personal Computer (PC) This is small and relatively economical computer. This is based on the microprocessor technology (Integrated Circuit-IC).

(b) Laptop This computer is also known as ultra book or notebook. This is portable and lightweighted. It includes rechargeable battery, so you can work with this anywhere.

(c) Handheld or Palmtop Computer This is the smallest and is designed to fit into the palm. So, this is also known as palmtop. It is practical for certain functions such as phone books and calendars. It uses the pen for input instead of keyboard. For example, PDA (Personal Digital Assistant), tablets, etc.

(d) Workstation Computer This computer is dedicated to a user or group of users engaged in business or professional work. It includes one or more high resolution displays and a faster processor than a Personal Computer (PC).

Nano Computer Nano computer is a general term used to describe a computer smaller than a microcomputer, usually about the size of a credit card.

For example, Raspberry Pi, which could be used in schools to teach science to children.

Embedded Computer It is a small size, powerful and easy to operate electronic module, based on microcontroller/ microprocessor and acts as a bridge between electronics hardware and computer software. e.g. cellphone, camera, automotive system, digital watch, etc.

Quantum Computer Quantum computer was first introduced by Richard Feynman. It uses quantum mechanical phenomena. It is the fastest computer imitating brain working.

Minicomputer These are smaller in size, faster and cost lower than mainframe computers. Initially, the minicomputer was designed to carry out some specific tasks, like engineering and Computer Aided Design (CAD) calculations. But now, they are being used as central computer which is known as server. The speed of minicomputer is between 10 to 30 MIPS (Million Instructions Per Second). First minicomputer was PDP-8. Some examples of minicomputer are IBM-17, DEC PDP-11, HP-9000, etc.

Mainframe Computer These types of computer having large internal memory storage and comprehensive range of software. It is considered as the heart of a network of computers or terminals that allow a large number of people to work at the same time. Some examples of mainframe computer are IBM-370, IBM-S/390, UNIVAC-1110, etc.

Supercomputer These are the fastest and most expensive computers. They have high processing speed compared to other computers. Supercomputers are most powerful, large in size and memory, compared to all other computers. The speed of supercomputers are measured in FLOPS (Floating Point Operations Per Second). Supercomputers are used for highly calculation intensive tasks, such as weather forecasting, nuclear research, military agencies and scientific research laboratories.

Some examples of supercomputer are described below

(i) CRAY-1 was the world’s first supercomputer introduced by Seymour R CRAY (Father of Supercomputing) in 1976.

(ii) PARAM was the first supercomputer developed by Vijay Bhatkar in India in 1991.

(iii) PARAM Siddhi is the latest machine in the series of PARAM made by C-DAC and released on 16 November, 2020.

(iv) Pratyush, the first multi-petaflops supercomputer was unveiled at Pune based Indian Institute of Tropical Meteorology (IITM) in India.

(v) Fugaku is a claimed exascale supercomputer at the RIKEN Center for Computational Science in Kobe, Japan. It is scheduled to start operating in 2021. It has defended its title as the world’s fastest supercomputer

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