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System software is a kind of computer program that is programmed to communicate with computer hardware and application programs. Computer Hardware only runs once it has system software like an Operating system. The Operating system communicates between hardware and software, Let Understand, for example, If I want to play the game on to computer then click on the game and the game will start, computer sound will start , keyboard start working accordingly. Now in this example playing the game is only possible if you have a computer with an operating system and game (application software) If we think of the computer system as a layered model, the system software is the interface between the hardware and user applications. An example of system software is Operating System. The Operating system manages all activity or the other programs in a computer.
System software is used to manage the computer working like printing.
System software runs in the background for example saving file.
Maintaining the computer's basic functions so users can run higher-level application software to perform certain tasks. Essentially, system software responsible for a platform for application software to be run on top of it.
System Software Examples
Systems software can be categorized under the following:
- The Operating system: Help communication between hardware, system programs, and other applications.
- Device driver: Enables device communication with the OS and other programs.
- Firmware: Enables device control and identification.
- Translator: Translates high-level languages to low-level machine codes.
- Utility: Ensures optimum functionality of devices and applications.
Operating system is the software that acts as an interface between user and computer hardware. A computer needs to communicate with both the hardware and software; to do this;
it utilizes the services of an Operating system. Examples of some popular operating system are Windows, Linux, Unix, MS-DOS, SOLARIS, MAC OS, Gary Arlen Kildall is known as the father of operating system.
It also acts like a government which lays down policies for efficient utilization of the resources and provides for effective coordination amongst the various components of a computer. Every computer system whether it is an independent system like a desktop or a cell phone must have an operating system for performing the core functionalities like accepting input from various input devices, directing the output to the display, managing the files and directories, communicating with hardware, and installing /uninstalling of peripheral devices.
Operating System as an Interface Functions of an Operating system can be broadly categorized as:
− Communication Manager
− Resource Management
− Process Management
− File Management
− Memory Management
presents the various functions of an operating system.
A device driver is a program that installs on to computer operating system that enables one or more hardware devices to communicate with the computer's operating system, Without a device driver, the hardware unable to communicate with the operating system
Firmware is a set of instructions programmed on a hardware device. It provides the necessary instructions for how the device communicates with the other computer hardware.
Introduction to softwareSoftware is a set of instructions that tell a computer what work to be done. The software comprises the set of Instructions, procedures, and routines associated with the operation of a computer hardware or system . A sotware is set of instructions that directs or tells a computer's hardware to perform a task is called a program, or software program.For example, A software tells a computer that displays MY Name on the screen then computer hardware works accordingly. Computer hardware is dump and duff that means whatever you instruct the computer the computer works accordingly so software is giving that instruction to the computer and then the hardware works.Can we run a computer without software, then its answer is NO
What are the basics of software?Software required to run the hardware components of the laptop and different software programs is known as system software. System software program acts as an interface between hardware and personal applications. An interface is wanted due to the fact hardware devices or machines and people communicate in one-of-a-kind languages.
What are the 3 main types of software?
- System Software
- Application software
- Programming language software
Application SoftwareTo understand the Applications software lets us understand computer applications. Home Playing games, online bill payment, watching movies or shows at home, home tutoring, social media access, internet access, etc. Medical Field Storing patient details,maintaining a database of hospitals etc history. Entertainment Watching movies online, play games online, listening to music, etc Industry Maintaining inventory, designing purpose, creating virtual sample products, interior designing, video conferencing, etc Education Online classes,As we can see how helpful computers are in COVID-19,All students attending classes Online. Government Citizen database and policies accordly after analysing data,Use full in Defence for wapen , missile development etc Banking Online banking or mobile bank Science and Engineering And many more fieldsAll of the above facilitate users in performing their tasks in an easy and effective manner.A wide range of operations can be carried out with this application software. These consist of developing spreadsheets, composing electronic mail, and taking part in games. It is necessary to be aware that each and every application software program is designed to function with positive particular duties such as a calculator is supposed to operate numeric calculations only. Another famous instance of software program may want to be Microsoft Word Application which is a single suite that contains a couple of functionalities.Features of Application Software An application software program is developed to facilitate its customers with several capabilities, to make certain clean operations of the respective task. Following are some of the key aspects of utility software:
- Application software is developed user requirement
- Application Software is developed to perform specific tasks.
- Application software gives a good user interface, manage a huge amount of available information so that it can be used to create easy to understand data graphically
- It is easy to design application software. compare to system software.
Best PHP tutorial - What Is PHP?
- PHP - PHP stands for "PHP: Hypertext Preprocessor". In 1994 Rasmus Lerdorf unleashed the first version of PHP .
- PHP is a server side scripting language . PHP is an open source project /general-purpose scripting language that is especially suited to web development and evolved as more and more people found out how useful it was.
- PHP is a very easy language that can be embedded into HTML.
- PHP script can be run on all major operating systems, including Linux, many Unix variants (including HP-UX, Solaris and OpenBSD), Microsoft Windows, macOS, RISC OS, and probably others.
- PHP support for most of the web servers today. This includes Apache, IIS, and many others.
- After Choosing Operating system and web server now you have the choice of using procedural programming or object oriented programming (OOP), or a mixture of them both.
- PHP support for a wide range of databases like MySQL, PostgreSQL, Oracle, Sybase, Informix, and Microsoft SQL Server, connect to any database supporting the Open Database Connection standard via the ODBC extension. Other databases may utilize cURL or sockets, like CouchDB.
- PHP is used to manage dynamic content, databases, cookies, session tracking, and even build entire e-commerce sites.
- PHP Syntax is C language Like.
- PHP has support protocols such as LDAP, IMAP, SNMP, NNTP, POP3, HTTP, COM (on Windows) and many more ,so that it can talk to others services easily .
Uses of PHP
- It is used for creating dynamic websites.
- PHP support interacting with any back-end and database server e.g. MySQL, HTML etc
- PHP use for implement the business logical layers (one or more) It can Encrypt Data
- PHP support Cookies variable and set cookies
- PHP code is used for send and receive E-Mails.
- PHP has a number of inbuilt functions which find today's date, and then build a calendar for the month. Etc
- PHP script has system functions, i.e. from files on a system it can create, open, read, write, and close them.
- It can handle forms, i.e. gather data from files, save data to a file.
Characteristics of PHP
PHP Script Example "Hello World"To get a feel of PHP, first start with simple PHP scripts. Since "Hello, World!" is an simple example,As mentioned earlier, PHP is embedded in HTML examples . That means that in amongst your normal HTML you'll have PHP statements can be embedded like this:<HTML> <HEAD>HELLO </HEAD <BODY> <?php echo “Hello World”; ?> </BODY></HTML>Output of above code is as follow:Hello WorldIn this example we have seen that PHP has embedded inside the the HTML code the PHP code sends to to server and translated or executed by server and the output is displayed on the with HTML on browser screen.Lets Understand the above codePHP script Start with <?php PHP script End with ?> Echo will display the Hello World on Browser.
PHP code Example without embedded in HTML<?php echo “Hello World” ; ?>
What Is Search Engine Optimization?Search Engine Optimization (SEO) is used in all factors of net marketing. You want to understand as a lot as you can about how web optimization works in order to get the proper marketing of your website online.When you use search engine optimization in all of your content material - each textual content and visual, you can draw moretraffic to your site. In order to apprehend how to use SEO, you want to be aware of why people use this kind of advertising and count number on it so closely in order to get the desired traffic to their website. search engine optimization is what receives a website seen in the search engines.So what precisely is SEO? This sets up your text, pictures and movies so that they are easy to discover when any one is looking out for them the use of the various search engines online. While it is regularly stated that Google depends extra on website positioning content material than Yahoo, which reliesmore on hyperlink building, the fact of the rely is that in order for a internet site to be discovered online, it ought to come up in the search engine.For example, if you have a website that sells cooking appliances, you will desire to make sure that you shape your website so that others who might also be searching for the merchandise yousell will be capable to locate it online. Those who are searching on line for what you have to sell may do it in a range of exceptional ways, even though the best way for any one to find something on line is to use the search engines. Most of the site visitors to your website will come from search engine optimization.You want to comprehend which key phrases will work for your website. These are the phrases or phrases that humans will put into the search engine bars to get hold of the search engine results pages. Many humans these days are inserting in longer phrases into the search engines to narrow down their search.There are tools that the website proprietor can use to check out the first-class key phrases for their website, based totally on what they promote and what phrases viable clients are probable to plug into the search bars that will lead them to the site. In order to be successful at this, a website owner need to no longer solely understand the thinking of SEO, however additionally a great deal about the goal market,which is these who are most possibly to buy the merchandise on the website.If you are simply beginning out your website, or if you have a website up and strolling already,you want to understand how to use search engine optimization in all aspects of your marketing.While there are different methods to market your internet site and products except the usage of SEO, the fact of the depend is that 60 percentage of all visitors on web sites comes from these who found the internet site in the search engines. These humans are searching for out what you have to offerand are discovering you on line as lengthy as you are accessible.Once your web site is search engine optimized, you can assume to get extra site visitors to your site from the search engines. People who may additionally be involved in your web site will discover it simpler if your internet site is search engine optimized. Most human beings use the search engines to locate what if they are searching for when they go online. By having your internet site optimized and handy to find in the search engine effects pages, you can appeal to extra visitors to your website through the search engines.There are many web advertising and marketing businesses that will assist you get your internet site search engine optimized and preserve it that way. Some of the strategies that they use to optimize a website encompass the following:
- Article marketing
- Press Releases
- Video ads
- Google ads
HTML is not a programming language; it is a Hyper Text markup language that defines the structure of your content. HTML consists of a number of elements, which you use to enclose, or wrap, different parts of the content to make it appear a certain way, or act a certain way. The enclosing tags can make a word or image hyperlink to somewhere else, can italicize words, can make the font bigger or smaller, and so on. For example, take the following line of content: