Characteristics Of Computers Pdf

The computer is an advanced electronic device that takes raw data as input from the user and processes these data under the control of the set of instructions (called program) and gives the result (output) and saves output for the future use. It can process both numerical and non-numerical (arithmetic and logical) calculations. Characteristics of computersThe major characteristics of computer can be classified into speed, accuracy, diligence, versatility and memory which are as follows:1. Speed:The computer is able to process the date and give the output in fractions of seconds such that required information is given to the user on time enabling the user to take right decisions on right time.

A powerful computer is capable of executing about 3 million calculations per second. Accuracy:In spite of its high speed of processing, the computers accuracy is consistently high enough which avoids any errors.

A computer works with much higher speed and accuracy compared to humans while performing mathematical calculations. Computers can process. What are the ten characteristics of computer? Speed: A powerful computer is capable of executing about 3. Million calculations per second. Accuracy: A computer's accuracy is consistently high; if there. Are errors, they are due to errors in instructions given by the. Reliability: The.

If it all there are errors, they are due to errors in instructions given by the programmer.3. Reliable:The output generated by the computer is very reliable, but it is reliable only when the data, which is passing as input to the computer and the program, which gives instructions are correct and reliable.4.

Storage Capacity:The computer has a provision to store large volumes of data in the small storage devices, which has the capacity to store huge amounts of data and help the retrieval of data an easy task.5. Versatile:The computer performs three basic operations1. It is capable to access and accept information through various input-output devices from the user.2. It performs basic Arithmetic and Logic operations on data as desired.3. It is capable, to generate the desired output in the desired form.6. Automation:Once the instructions fed into the computer it works automatically without any human intervention until the completion of execution of a program until meets logical instructions to terminate the job. Limitations of Computer1.

The Computer does not work on itself, it requires set of instructions to be provided, and else computer (Hardware) is waste.2. Computers are not intelligent, they have to be instructed about each and every step which they have to perform3.

Computers cannot take decisions on its own, one has to program the computer to take an action if some conditional prevail.

. 1 ​Supercomputer. 2 ​Mainframe Computer. 3 ​Minicomputer. 4 ​MicrocomputerSupercomputerThe most powerful computers in terms of performance and data processing are the Supercomputers. These are specialized and task specific computers used by large organizations. These computers are used for research and exploration purposes, like NASA uses supercomputers for launching space shuttles, controlling them and for space exploration purpose.The supercomputers are very expensive and very large in size.

It can be accommodated in large air-conditioned rooms; some super computers can span an entire building.See Also:Seymour Cray designed the first Supercomputer “CDC 6600” in 1964. CDC 6600 is known as the first ever Supercomputer.We’ll get you jump-started to build your own. $486.16 ​Exascale SupercomputerOn 29 th July, 2015, President of the United States, Barack Obama, approved the development of an Exascale Super Computer. The Exascale Super computer will be 30 times faster and more powerful than today’s fastest Super Computers. The need to develop such a high performance Supercomputer comes after China’s surge in high performance computing. However, the US still tops the list of Supercomputers with 233 high performance machines.

China has 37 Supercomputers but they lead the list of the most powerful and high performance supercomputers since June 2013.Presently, China’s “Tianhe – 2” is the world’s faster Supercomputer.The Tianhe – 2 can perform 100 Petaflops, i.e quadrillions of floating point operations per second.The following table shows list of top five. You can also view. $59.95 ​MinicomputerMinicomputers are used by small businesses & firms. Minicomputers are also called as “Midrange Computers”. These are small machines and can be accommodated on a disk with not as processing and data storage capabilities as super-computers & Mainframes. These computers are not designed for a single user. Individual departments of a large company or organizations use Mini-computers for specific purposes.

For example, a production department can use Mini-computers for monitoring certain production process. ​Popular Minicomputers.

​K-202. ​Texas Instrument TI-990. ​SDS-92. ​IBM Midrange computers​MicrocomputerDesktop computers, laptops, personal digital assistant (PDA), tablets & smartphones are all types of microcomputers.

Characteristics Of Computers Pdf

The micro-computers are widely used & the fastest growing computers. These computers are the cheapest among the other three types of computers. The Micro-computers are specially designed for general usage like entertainment, education and work purposes. Well known manufacturers of Micro-computer are Dell, Apple, Samsung, Sony & Toshiba.Desktop computers, Gaming consoles, Sound & Navigation system of a car, Netbooks, Notebooks, PDA’s, Tablet PC’s, Smartphones, Calculators are all type of Microcomputers.We’ll get you jump-started to build your own.

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