Computer Study Notes – The OSI Model

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The Open System Interconnection (OSI) model defines a networking framework to implement protocols in seven layers. You must at first understand that OSI model is not tangible rather it is conceptual. You can...

Computer Study Notes- Computer Languages

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A language is the main medium of communicating between the Computer systems and the most common are the programming languages.There are basically two types of computer languages: 1) Low Level Language 2) High...

Computer Terms asked in recent Exams Part 6

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Hope you like the post!! KonradZuse invented the World’s first computer was named as the Z1 in 1936. It was the First freely programmable computer. The first computer game was “Spacewar!"....

Computer Terms asked in recent Exams Part 5

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Networks Devices  A network device refers to a component that is used to connect computers in a network. The following are some commonly used network devices: Repeater: It is a two-port signal regenerator that...

Computer Terms asked in recent Exams Part 4

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Ethernet Ethernet is a physical and data link layer technology for local area networks (LANs). Robert Metcalfe and David Boggs was the inventor of Ethernet. It is the name of the most...

Computer Terms asked in recent Exams Part 3

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Operating System is a System Software System software is a type of computer program that is designed to run a computer’s hardware and application programs. Operating System is the best example of...

Computer Terms asked in recent Exams Part 2

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RJ-45 Port RJ45, which incidentally stands for registered jack 45, is the Ethernet style data port found on switches, routers and network cards. RJ45 actually refers to the port (female) and the connector...

Computer Terms asked in recent Exams Part 1

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Dataphone Modem At&T Dataphone was the first commercial modem made for converting digital computer data at analog signals for transmission across long distance networks. A modem (modulator-demodulator) is a network hardware device. Hybrid...

Computer Aptitude Study Notes

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In SBI IBPS exam computer section is along with reasoning ability in Mains, which is Phase-II of recruitment the process. These questions are a type of Coded Conversions of the number system. First,...

Study Notes: Normalization

What is meant by Normalization in RDBMS? Normalization is a systematic approach of decomposing tables to eliminate data redundancy and undesirable characteristics like Insertion, Update and Deletion Anamolies. Update anomalies − If data items...
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Statistics Notes For SSC CGL / CHSL Exam 2019-20 on :...

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Measurement scales are used to categorize and/or quantify variables. This lesson describes the four scales of measurement that are commonly used in statistical analysis:...

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