Database Administrators (DBAs) are responsible for maintaining databases and data integrity. DBAs work closely with developers and business users to ensure that information stored in the database is accurate and reliable. DBAs are often involved […]
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Computer programming is the process of writing and running programs. Programs are written in a programming language, which is a set of instructions for a computer. Programming languages are used to create applications that perform
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Computer data is transmitted on the basis of bits and bytes. In the computer, their communication is through wires. These communication are parallel and sequential. Parallel Communication In parallel communication, binary data is organized into
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Computer did not exist in its present shape, model, architecture, and processing mechanism. There were a lot of devices evolved for the development of modern digital computer. The gradual study on early to present device
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Computer is such an electronic device that processes the data input by the user and provides information as a result, or we can also say a computer is an electronic machine that follows the instructions
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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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