Coding Tag offers you the PERL interview questions with detailed explanations of every section covering PERL language basics that are required before facing a PERL developer interview.
Tag: SEO Interview Questions
After the study, the toughest stage is how to crack an interview. Going for a job interview makes us feel like we are back in school examination. In an interview, our job is to show our hidden talent and convince a recruiter that we have a required talent.
For this, we have limited time to provide a true representation of our skills, experience, and knowledge to recruiters. To impress a recruiter, we have discussed top HTML interview questions that are listed below:
- What is HTML?
HTML is a Hypertext Markup Language used for creating various web pages and web applications layout. This language is not so difficult to learn and understand,
The HTML file must be saved with an extension:
Xyz.html
Xyz.htm
It consists of some syntax and code words the same as other computer languages. The HTML file must be saved with .html extension. read more about html
- Describe the different versions of HTML?
HTML has different versions from beginning to till date like:
- 0 (original)
- 0 (Web Design Features)
- 0
- 2 (WILBUR)
- 0 (COUGAR)
And the latest version right now is HTML 5
- What is a DOCTYPE?
DOCTYPE means Document Type Declarations. It is used to specify the web browsers that which types of documents it will receive. In the HTML program,All HTML documents must start with a < !DOCTYPE > declaration, It is an information to the browsers about the document type and language.
<!DOCTYPE html>
- One of the core concepts in the Html interview question for freshers is to explain HTML tags?
Till now HTML is on the same core concept of tags as there in original HTML1.0.HTML tags consist of three main elements which are opening tag, content, and a closing tag, in the end. The opening and closing tags are written in the angle brackets like <>.
The opening tag represents the initiation of the start command and the closing tag represents the end of the command, hence it comes with the slash. See the syntax below:
<tag> content </tag>
There are some tags in HTML which don’t need to be close
For example <br> , <hr>…
- How many types of HTML tags?
Basically HTML tags are in two types paired and unpaired tag. As discussed above paired tags are those which have both opening and closing tag for example <p> </p>, <h1> </h1>, <b> </b>, <i> </i>, etc.
Whereas the unpaired tags are <br>,<img>, <hr> ,etc .
The unpaired tags are <br>, <img>, etc.
- Name the list tags which are used to design a web page?
List tags are used to design a systematic web page. Here are the list tags :
- ordered list
- unordered list
- definition list
- menu list
- directory list
All these tags can be used to compose a web page.
7- How to create a text on a web page that allows sending an email when clicked?
To change the text into a clickable link to send an email, use the mail to command within the <href> tag. The format is as follows:
<a href=”mailto:hello @codingtag.com”>Clickable Text</a>
Read more article: TOP HTML INTERVIEW QUESTIONS AND ANSWERS IN 2020
SQL is probably used for database interaction and management. Nowadays, SQL skills are essential for getting jobs, especially in the web development field. In this blog, I am going to introduce a set of SQL interview questions to cope up with the growing competition in IT markets.
Let’s Continue !!
1) What is DBMS?
DBMS is the Database Management System, It is the program for managing the file and the data of the file in the database stored in the system for any further use which includes adding, delete, and modify data. It provides a systematic method to perform modification, administration, and retrieval. Data present in the DBMS’s applications are stored as a file.
2) What is RDBMS?
A Relational Database Management System (RDBMS) is a DBMS designed. This helps to store data in a structured format manner using tables having rows and columns for fast access. Moreover, it offers the relational operators for performing data manipulations across the tables.
3) What do you mean by SQL?
SQL (Structured Query Language) is known as the standard language to interact with the database. It is designed to accomplish tasks like retrieval, insertion, and deletion. It is the program for managing the data of the database stored which includes adding, delete, and modify data in a Table.
4) What do you mean by “Table” in a Database?
A table is known as a database object that can be used for storing the record in terms of rows and columns.
5) What is “Record” in a Database?
A record is known as “the row of the table that contains arranged sets of interrelated data”. It is a collection of fields about topics with many credentials in multiple rows and columns The database record can be thought of as a row of information within a database table.
Example
< 402 Cricketer 405>
6) What do you mean by the “database” in DBMS?
Well, Database is a set of data arranged in such a way that a computer can easily be able to fetch that particular value in a matter of time. It reduces the amount of time of computer checking or sorting methods functions for particular data.
7) What are the advantages of using a Database?
- Time-saving – Fetching a single record can be done in just a few clicks. It can merge database records in less time with relations to it.
- More handy information – Creating and running a query can be done easily for distinct answers or records from the database.
- Capacity relates data – Different Data and sources of information can be linked together to review performance.
- Ability to stimulate mail, email, and social media – Mass customization in terms of a specific response to potential customers depending on interpreted customer information. Mail and email operations can be easily driven to customers.
8) Name some of the applications using DBMS for their data storages?
- Reservations systems
- Telecommunications
- Banking
- Sales
- Scientific applications
9) What are the keys that are present in DBMS?
There are six key founds in DBMS to manage the table. They are:
* Candidate key
* Foreign key
* Primary key
* Secondary keys/Alternate key
* Composite key
* Super key
10) How can you maintain and identify relations between two or more than two tables in DBMS?
Keys are used in maintaining the relationship between tables.
Read More – Top 30 SQL Interview Questions with Coding Tag
1- What is JavaScript?
Javascript is a scripting language, which is everywhere come installed on every modern web browser, It helps to create really beautiful and crazy fast websites, It is also considered as an object-based programming language.
2- What are the defined Data types in Javascript?
The different types of JavaScript data types are:
- Boolean: Two possible values (true and false)
- Number: Integer, float point.
- String : Double, single quotes, and backticks.
- Object :
- Undefined
3- Name the company that introduced JavaScript?
A company that proposed JavaScript is “Netscape” which is a software company.
4- How to read and write a file in JavaScript?
We can read and write a file in JavaScript by following two methods, they are
- We can use JavaScript extension
- file=fopen(getScriptPath(),0); The function fread() can be used for reading file contents
- file = fopen(“c:\examplefile.txt”, 3); opens the file for writing.
- str = fread(file,flength(file) ; The function fwrite() can used to write the contents to the file.
Also, read an extensive list of updated top JavaScript Interview Questions for more such answers.
5- What is negative infinity?
Negativity Infinity is a number in javascript which can be derived by dividing negative number by zero.
6- How to add new elements dynamically?
<html>
<head>
<title>Add</title>
<script type=”text/javascript”>
function addNode() { var newP = document.createElement(“p”); var textNode = document.createTextNode(” This is a new text node”);
newP.appendChild(textNode); document.getElementById(“firstP”).appendChild(newP); }
</script> </head>
<body> <p id=”firstP”>firstP<p> </body>
</html>
7- What is this keyword in JavaScript ?
There are four rules applies to this in order to know which object is referred by this keyword:
- Global Scope
- Object Method
- Call() or apply() method
- Blind() method
Conclusion
Well, I am wrapping up with this. You can read these questions that will surely help you to crack your interview. Get top 30 JavaScript interview questions for more read
Are you preparing for SQL as your career choice and don’t know where to start? Well, then you are in the right place! In this blog, we have prepared a list of SQL Interview Questions that are most likely to be asked by the interviewers. The list of questions contains all the basic to advance level questions to help the students prepare thoroughly for the technical interview.
In this Digitization world, to have a professional website has become a primary need for any business. Every organization whether it is small or big tries to perform every effort to use smarter techniques to compete in this modern place. As more than 90 percent of customers are mobile users, they are looking for everything online. Thus, every company tries to transform its business online by building mobile-friendly websites. But only web-development is not enough to enhance business.
With the emergence of cyber-crimes, the career scope for Ethical Hacking is also emerging. If you are also looking for an opportunity to become an ethical hacker, we have prepared for you a list of most frequent Ethical Hacking Interview Questions which are asked by the interviewer, along with the answers. Note that these interview questions will help both beginners as well as experienced applicants to crack the ethical hacking interview.
- Who is known as a Hacker?
A hacker is a person who exploits the vulnerabilities of the computer to carry out some illegal tasks such as data breach, unauthorized modifications, etc.
As we all know that comment is considered as a line that cannot be executed in a program. Rather comments are those which are used for writing the descriptions according to one’s ease. Mainly PHP comments are used to describe any code line to make it understandable to the developer. Not only this but, this can also be used to hide any line of code.
Moreover, if you are a novice, and you are not clear about the basics of PHP language, there are several tutorials available on the internet from where you can Learn PHP Online. These tutorials will help you to understand the coding of this language and you will also get an insight into PHP comments.
The Document Object Model is referred to as a platform that permits a designer or developer to perform manipulation on a website. This includes content, style or structure modification. The DOM is an essential concept which is frequently asked in JavaScript Interview Questions as it plays a major role in web-technologies. In this blog, we are going to introduce DOM and its major characteristics.
Let’s proceed.
Like every other operating system, Linux also consists of a defined file hierarchy, also known as the File system Hierarchy Standard (FHS). The File Hierarchy in Linux is maintained centrally by the Linux foundation and defines where should be the location of the files and what should be located inside those files. Mainly, the files in Linux are stored in the Root directory which can also be termed as the parent directory for the files. In this blog, we will be discussing some of the directories in the Linux file hierarchy.
In the meantime, if you are preparing for Linux, you can also see our list of Linux Interview Questions to help you with your preparation.
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