What is HTML?, history and uses of HTML .

What is HTML?  A website is a collection of webpages.  The internet language which was first developed for designing web pages is called HTML.  HTML is in the form of a markup language.  It contains predefined tags.  Which is known as HTML.  These are used as commands to design a particular webpage.  HTML Tags are … Read more

What is Optical Fiber?and What are the benefits and disadvantages of Optical fiber .

What is Optical Fiber?  Optical Fiber is a wire which is adept in sending data at the speed of light.  Optical fiber is a very strange type of fiber because of the fibers it contains.  They are found exactly in the size of our hair.  It is seen here in optical fiber that electricity is … Read more

What is captcha? and how to write a captcha code ?

What is captcha?  What is Captcha – The full name of CAPTCHA is “Completely Automated Public Turing test to tell Computers and Humans Apart”.  CAPTCHAs are a tool you can use to differentiate between real users and automated users, such as bots.  CAPTCHAs provide challenges that are difficult for computers but relatively easy for humans. … Read more

What is a Debit Card? and what is the difference between ATM and debit card .

What is a Debit Card?  Debit Card is a payment card that enables you to withdraw money from a bank account. It is commonly called ATM Card in everyday language. With a debit card, you can easily buy and pay online. Also, you also get the facility to withdraw cash from any ATM. It is … Read more

What is Credit Card? and how does it works ?

What is Credit Card ? Credit card is a type of financial device provided by banks, which provides customers the ability to borrow money within the pre-fixed credit limit.  It entitles users to make purchases, transactions and avail services up to the Approved Credit Limit.  Credit card limit is determined by factors like income and … Read more

What is ISP?  What is the job of ISP?

What is ISP? It is a technology that empowers internet users and consumers.  In simple words, the company providing internet facility is called ISP.  In other words, whenever you need Internet connectivity at home and you are getting this service from a particular company, then that company is your Internet Service Provider (ISP).  Even if … Read more

What is TCP? and how does it works .

What is TCP?  The full name of TCP is Transmission Control Protocol.  It is a protocol that guides the proper transfer of data and ensures effective network communication.  Additionally, it instructs computers to send data to each other.  Essentially, TCP facilitates data transactions between applications.  TCP, which stands for Transmission Control Protocol, is a major … Read more

What is Output Device ? types of Output Device .

What is Output Device  :  Output is made up of two words, ‘Out’ and ‘Put’.  Here ‘Out’ means outside and ‘Put’ means to keep.  According to this, Output would mean keeping something out.  Output Device is a device which, after processing, displays the result of the instructions given by the Input Device of the computer.  … Read more

What is Input Device ? Functions and types of Input Device .

What is Input?  Do you know the meaning of the word ‘input’?  Data sent to the computer for processing is considered input.  Providing some data or information to the computer is known as input.  Now, let us understand what an input device is. What is Input Device?  An input device acts as a hardware component … Read more

What is Payment Gateway? how does it works :

What is Payment Gateway?  The function of payment gateway is to take money from various sources and transfer them to the merchant’s account.  For this, customers get to choose from various options for online payment, such as credit card, debit card, net banking, digital wallet, etc.  The payment gateway then securely encrypts the financial information … Read more