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What are advantages and disadvantages of blackberry operating system

History of Blackberry Blackberry is a Canadian company and was first known as research in motion (RIM). In 2013 Blackberry had 83 million subscribers. In 2016 Blackberry subscribers had reduced to 23 million due to Apple and Android. Blackberry introduced many mobile models including Z10, Q10, Z10, Blackberry Classic and Blackberry Passport. Blackberry also introduced android mobile phones in 2015 which includes Blackberry DTEK50 and Blackberry Priv slider. [...]

By |2024-03-27T12:55:42+00:00May 25, 2021|Mobiles|0 Comments
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Advantages and disadvantages of client server network

The client server network is a type of network in which one computer behaves as a client and the other computer behaves as a server. The client is a computer that gets services from the server. And the server is a computer that gives services to the client computer. In a local area network (LAN) a server can be connected to many client computers and printer. Suppose there [...]

By |2024-03-27T12:55:42+00:00May 15, 2021|computers|0 Comments
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Advantages and disadvantages of tor browser

What is tor browser Tor browser is a free and open-source browser like Firefox. It hides your IP and identity while you are browsing websites in this browser. You can use the internet anonymously. It redirects your requests to at least three nodes. It consists of 7 thousand relays. This browser was first released on 20 September 2002. When you sent a request to the tor browser by [...]

By |2024-03-27T12:55:43+00:00May 3, 2021|computers|0 Comments
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Advantages and disadvantages of tree topology

Definition of tree topology A type of network topology in which nodes are connected in such a way that it looks like a tree. Tree topology is a combination of bus topology and star topology. In a bus topology nodes are connected to the central bus. While in a star topology nodes are connected to hubs. Tree topology is an expansion of tree and bus topology. It is [...]

By |2024-03-27T12:55:43+00:00April 23, 2021|computers|0 Comments
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Advantages and disadvantages of Command Line Interface (CLI)

Definition of command line interface (CLI) CLI is an interface in which different text commands are written and then these commands are executed by the operating system. It is a text-based interface.  CLI is most popular in the 1960s when there was no GUI (graphical user interface) available for computers. During the early days, there was no mouse available for the operating system and users only interact with [...]

By |2024-03-27T12:55:44+00:00April 19, 2021|computers|0 Comments
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Advantages and disadvantages of ring topology

What is ring topology: A network topology in which every computer is connected to two computers one on each side. The computers are connected in such a way that it forms a ring shape. Data flows from source computer to destination computer bypassing from in between computers. The nodes (computers) are connected to form a closed path. The last computer is connected to the first computer making a [...]

By |2024-03-27T12:55:44+00:00April 18, 2021|computers|0 Comments
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What is collision detection

Collision detection is the method of detecting the data collision in the network. Suppose there are two computers A and B connected in the network. Computer A and computer B first checks if the medium is free to transmit the data. Suppose medium is free so both computers starts sending the data. After some time data from computer A and B collides. When data collides with each other [...]

By |2024-03-27T12:55:45+00:00April 17, 2021|computers|0 Comments
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Advantages and disadvantages of star topology

Definition of star topology A type of topology in which computers or devices are directly connected to the central hub. The devices which are connected be either a laptop, workstation, server, host, tablet, smartphone or printer. The central hub can be either of the hub, switch, router or a central computer. In making a network in star topology twisted pair cable, fiber optics, RJ-45 or coaxial cable is [...]

By |2024-03-27T12:55:45+00:00April 11, 2021|computers|0 Comments
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What is fault tolerance in distributed system

Definition of fault tolerance: Fault tolerance is a property of the system that helps to continue its working when a fault occurs. A distributed system is a system that has different components from different machines. The machines are located in different locations. All machines work together to perform any task. For example, Google is a distributed system, there are different servers located in different countries. All servers work [...]

By |2024-03-27T12:55:46+00:00April 9, 2021|computers|0 Comments
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Advantages and disadvantages of bus topology

How computers are connected in the network is known as network topology. Bus topology is also a type of network topology. Definition of bus topology: A type of topology in which all the workstations, printers, servers, scanners, and laptops are connected to a common cable. The common cable is also known as a bus. The cable which is used to connect computers is known as coaxial cable. When [...]

By |2024-03-27T12:55:46+00:00April 5, 2021|computers|0 Comments
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