What is Magnetic Disk? Magnetic discs (or hard disks) are the most popular direct access medium. A hard disk is a stack (=heap) of one or more metal platters that spin on one spindle. Each […]
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Semi Conductor memories This type of storage devices are based on the principles of storage chips. These are very thin silicon chips, consisting of number of small storage cells that can hold data. These units
What is Storage Devices CPU contains basic instructions needed to operate the computer. But it can’t store programs and data. Just like the human brain, Computers also need some blocks of space to store programs
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What is BUS? A bus is a collection of wires through which data is transmitted between various components of a PC. If we closely look at the motherboard, we can notice a network of golden
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What is CPU? Central Processing Unit (CPU) – also known as processor – is the heart, soul and brain of the computer. In a microcomputer, the entire CPU is contained on a tiny chip called
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Super Computers Super Computers are the largest and fastest computers available. Generally, they are not used for commercial data processing. Super Computers have huge amount of memory and high processing speed. They can process up
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What is Motherboard? Motherboard or system board is the main circuit board on the computer. It acts as a mediator between several components of the computer. For each type of micro processor, there will be
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What is Computer? The term “computer” is used to represent a calculating machine. It is an electronic data processing device capable of receiving input, storing instructions for solving problems and generating output with high speed
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The modern computer, which we are using today, is not the invention of a single individual. It is the result of countless inventions, ideas and developments made by many people throughout the last several decades.
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What is Expert System An expert system (ES) is a computerized information system that allows non-experts to make decisions comparable to that of an expert. Expert systems are used for complex or unstructured tasks that
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