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computers
What is logical topology with example
1 min
by Junaid Rehman 3 years ago8 months ago

Definition of logical topology A type of topology that gives a virtual representation of all the nodes connected in the network. I mean this topology explains how data is transferred in the network. For example, it explains how data move from switches and routers. There are two types of logical topology:- Bus topology: In a...
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computers
Advantages and disadvantages of Microsoft Word
3 min
by Junaid Rehman 3 years ago8 months ago

What is Microsoft Word Microsoft Word or MS Word is a word processing software that was created on 25 October 1983. It is software in which you are creating documents. Many options in MS Word helps you to create amazing documents and later you can print the document also. Let me discuss some of the...
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computers
Advantages and disadvantages of controller area network (CAN)
2 min
by Junaid Rehman 3 years ago8 months ago

What is controller area network (CAN) CAN or controller area network is a type of network between microcontrollers and devices in a vehicle. The devices in the vehicle are also known as ECU or electric control units. In older days the communication between ECU’s is done by analogue wires. The length and weight of the...
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computers
What is transaction processing system (TPS) with example
1 min
by Junaid Rehman 3 years ago8 months ago

Definition of transaction “Transaction is a business activity between buyer and seller to exchange an asset of payment.” For example, you go to the shop and buy something and give money to the shopkeeper. This is a transaction between you and the shopkeeper. The transaction is of two types:- Internal transaction External transaction The transaction...
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computers
Advantages and disadvantages of Ubuntu operating system
5 min
by Junaid Rehman 3 years ago8 months ago

Ubuntu is a Linux based operating system. It is maintained and owned by a UK based company named Canonical Ltd. This operating system is available to use in smartphones, desktop computers and servers. It comes with pre-installed apps including LibreOffice. The version names of Ubuntu are based on the year it becomes released. For example,...
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computer beginners
What is difference between file and folder
1 min
by Junaid Rehman 3 years ago8 months ago

Definition of file “A file is a storage unit where relative data is stored. A file can be an image, video, executable file, system file or application file.” Files can be stored in secondary devices e.g. hard drive, flash drive, SSD drive, DVD etc. A file can have any size depending upon the storage device...
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computers
What is domain name server (DNS) with example
2 min
by Junaid Rehman 3 years ago8 months ago

What is DNS DNS stands for domain name server or domain name system. It is a type of system in which a domain name is converted to an IP address. The example of a domain name is www.google.com and the example of IP address is 192.168.1.1. DNS is a type of phonebook in which all...
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computers
Advantages and disadvantages of adaptive user interface
2 min
by Junaid Rehman 3 years ago8 months ago

What is an adaptive user interface “An adaptive user interface is a type of user interface that changes its look and feel according to the type of user”. Suppose an adult comes to the app then app user interface chances according to adult age. If a teenage user uses the same app then a different...
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computers
What are types of computer buses
1 min
by Junaid Rehman 3 years ago8 months ago

Definition of computer bus A computer bus is a type of small wire embedded on a motherboard. It behaves as a communication media between CPU, memory and other devices of the computer. Computer bus transfers bits internally and externally. By internal transfer, I mean between processor and cache and between CPU and memory. And by...
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computers
What are advantages and disadvantages of spreadsheets
3 min
by Junaid Rehman 3 years ago8 months ago

In old days we use paper to draw a table of rows and columns and type data in it. If we do mistakes in typing then it is difficult to fix it. Also, there is a limit to how much data we can insert on a single paper. To solve this issue we start using...
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