Computer & IT Questions & Answers

Captcha is an acronym for Completely Automated Public Turing test to differentiate between computers and humans. A Captcha Security Code is an image of letters that a person must type in to match the Captcha image they see. It is a type of challenge response test used in computing to ensure that the response is not generated by a computer. …

Every device connected to the public Internet is assigned a unique number known as an Internet Protocol (IP) address. IP addresses consist of four numbers separated by periods (also called a ‘dotted-quad’) and look something like 127.0.0.1. Since these numbers are usually assigned to internet service providers within region-based blocks, an IP address can often be used to identify the …

It is a website where a couple posts information about their upcoming or recent wedding. After the wedding, pictures and posts are uploaded; it could also be interactive. It is a relatively new concept and includes information as to how the couple met, invitations to friends and relatives, wedding clothes of the bride and groom, the ‘wedding album’ photo gallery …

A thumbo is an error made while typing a text message on a mobile phone – basically a mix of thumb and typo. Typo is an old word which means a mistake made while typing. A related word is speako, used to indicate mistakes made while dictating text.

SoLoMos are mobile phone applications that combine social networking and location data. SoLoMo is a combination of the words social, location or local, and mobile. These applications concentrate on local areas making geo-local engagement possible.

A semaphore (pronounced as sehm uh fawr, invented by Edsger Dijkstra) in computer science is a classic way of protecting shared resources. In multi-programming environments like Unix systems, semaphores are a technique for coordinating or synchronising activities in which multiple processes compete for the same operating system resources. A process needing the resource checks the semaphore to determine the resource’s …

A google bomb is an effort to inflate a website’s search ranking for a particular term. Google gives importance to pages linking to a particular page for ranking purposes. In case of Google bombing, pranksters use a phrase to link to a particular page from their sites multiple times, to push that page to the top of search results. One …

It’s a tiny fitness gadget which constantly monitors if you’re eating right, exercising enough and sleeping adequately. The rationale is to motivate people to lead a healthy lifestyle. The FitBit tracker is wireless and functions with the help of a motion sensor called accelerometer, which keeps tabs on movements. When a person walks by a wireless base station, the information …

The Magic of Scheherazade is a game for the Nintendo Entertainment System released by Culture Brain in 1989. It is the translation of the 1987 Famicom game Arabian Dream Scheherazade. The game was innovative for its time, incorporating elements of adventure and RPG styles.

The original was a quotation by Wordsworth, inscribed into the logo: “Newton – a mind forever voyaging through strange seas of thought”. That was changed by designer Rob Janoff into a multi-coloured bitten apple – the “rainbow apple” – to commemorate the discoveries of gravity (the apple) and separation of light (colours) done by Isaac Newton. Besides, Alan Turing, the …