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computers
What is resource allocation in operating system
1 min
by Junaid Rehman 2 months ago2 months ago

A resource can be either a printer, hard drive, scanner or keyboard. The operating system (OS) allocates resources to the computer processes. A process is any program in execution. The program needs resources to complete the task. Suppose the MS Word program is running and it needs a printer to print the document. If the...

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computers
Advantages and disadvantages of Microsoft Access
3 min
by Junaid Rehman 2 months ago2 months ago

What is Microsoft Access Microsoft Access or MS access is a database management system (DBMS) with a nice graphical user interface (GUI). It can store data in various forms i.e. text, images, numbers, dates etc. Version 1.0 of Ms Access was released on 13 November 1992. In the old days when FoxPro was dominating the...

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computers
What is application server with example
1 min
by Junaid Rehman 3 months ago3 months ago

Definition of application server An application server is a server that runs applications. The server provides hardware and software support for the applications. It runs web applications and exchange data with other servers. How application server works The application server is a server that hosts one or more applications. This server exchange data with the...

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computers
Difference between logical and physical topology
2 min
by Junaid Rehman 3 months ago3 months ago

What is logical topology Logical topology is a type of topology which describes how data is transferred between network devices. The network devices are a computer, switch and hub. Also, this topology explains what is data transfer speed and which device is transferring data in the network. Logical topology gives a broad overview of the...

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computers
Advantages and disadvantages of application software
4 min
by Junaid Rehman 3 months ago3 months ago

What is application software: Application software is a type of software that performs a specific task or function for the end user. This type of software can work individually or with other software as well. There is also system software that is used to run operating system tasks i.e. starting and managing the operating system....

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computers
What is JANET network
1 min
by Junaid Rehman 3 months ago3 months ago

JANET stands for Joint Academic Network. It is a very fast network that works in the UK. It connects the UK education sector. The research organizations are also communicated through this network. JANET is a vast network which connects about 18 million users a day. This network combines LANs (Local area networks) and MANs (Metropolitan...

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computers
What is an office automation system with example
1 min
by Junaid Rehman 3 months ago3 months ago

Definition of office automation system An office automation system is a type of system that collects, alters, store and transfers digital data in the office. It includes the execution of tasks by the software and hardware. LAN (local area network) plays an important role in office automation. LAN transfers files, audio and mail across the...

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computers
Advantages and disadvantages of web 3.0
6 min
by Junaid Rehman 4 months ago4 months ago

Computers and smartphones are useless if they don’t have the facility of internet. By having an internet connection all the devices can communicate with each other. People can talk to each other through the internet. Internet was launched on 1 January 1983 with the help of TCP/IP protocol. The internet era is divided into three...

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computers
Difference between local area network (LAN) and wide area network (WAN)
1 min
by Junaid Rehman 4 months ago4 months ago

What is LAN LAN or local area network is a network of computers and other network devices within a room, building, school, or any residence. LAN cover a smaller area. In LAN we can share the same internet connection to all the computers and mobile devices. What is WAN WAN or wide area network is...

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Advantages and disadvantages of virtual memory
2 min
by Junaid Rehman 5 months ago5 months ago

What is virtual memory Virtual memory is the part of a hard drive and is extra memory that works with a combination of RAM (Random Access Memory). RAM is also known as the main memory or physical memory. The speed of the main memory is very fast as compared to virtual memory. Suppose you are...

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