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CCNA Routing and Switching Basic Concept

CCNA Routing and Switching CCNA (Cisco Certified Network Associate) is an information technology (IT) certification from Cisco. CCNA certification is an associate-level Cisco Career certification. Cisco Routing and Switching Switches Basics Network switches are used to connect computers and servers into a single network. The switch performs the function of a controller and allows the devices within a network to …

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OSI Reference Model in Networking

OSI Reference Model in Networkng The OSI reference model specifies standards for describing “Open Systems Interconnection” with the term ‘open’ chosen to emphasise the fact that by using these international standards, a system may be defined which is open to all other systems obeying the same standards throughout the world. The definition of a common technical language has been a …

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Data Communication Tutorial

Data Communication Tutorial   Data communications (DC) is the process of using computing and communication technologies to transfer data from one place to another, and vice versa. It enables the movement of electronic or digital data between two or more nodes, regardless of geographical location, technological medium or data contents.

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clocked RS flip flop with PGT and NGT truth table in Urdu hindi|Types of flip flop

Clocked RS flip flop with PGT and NGT truth table|Types of flip flop SR Flip-Flop The SR flip-flop, also known as a SR Latch, can be considered as one of the most basic sequential logic circuit possible. This simple flip-flop is basically a one-bit memory bistable device that has two inputs, one which will “SET” the device (meaning the output …

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JK flip flop with example|introduction of JK Flip Flop

JK flip flop with example|introduction of JK Flip Flop   The JK Flip-flop we now know that the basic gated SR NAND Gate flip-flop suffers from two basic problems: number one, the S = 0 and R = 0 condition or S = R = 0 must be avoided and not allowed any manner, and number two, if S or …

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How to describe Computer Hardware and Software

How to describe Computer Hardware and Software What is the difference between hardware and software on computers Software and hardware, what difference is there between the two main components of a personal computer? If you are wondering what the difference is between software and hardware, this article will help you not to get confused. You can thus avoid bad figures …

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Generation and history of computer with pictures

Generation and history of a computer with pictures In 1971, the Italian engineer F. Faggin and the Americans T. Hoff and S. Mazer produced the first microprocessor of the INTEL (4004), that is, the first integrated circuit that can condense in a 4 x 3 cm silicon chip, thanks to 2250 transistors, a complete logical unit of a computer (chip), …

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