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Jyotishmaan's Questions & Answers

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What is Active-Matrix?

Asked by dinu in Computers & Technology at 5:54 PM on October 31, 2007

Jyotishmaan's Answer

A type of flat-panel display in which the screen is refreshed more frequently than in conventional passive-matrix displays. The most common type of active-matrix display is based on a technology known as TFT (thin film transistor). The two terms, active matrix and TFT, are often used interchangeably.

Answered at 9:25 PM on October 31, 2007

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What is ActiveX?

Asked by dinu in Computers & Technology at 5:54 PM on October 31, 2007

Jyotishmaan's Answer

ActiveX is Microsoft technology used for developing reusable object oriented software components. ActiveX is an alternative name for OLE automation (OLE - Object Linking and Embedding), not a separate technology. [citation needed] While the term "Automation" refers to the overall technology, "ActiveX" refers to the objects that can be created and manipulated using Automation

Answered at 9:23 PM on October 31, 2007

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What is ADSL?

Asked by dinu in Computers & Technology at 5:55 PM on October 31, 2007

Jyotishmaan's Answer

Asymmetric Digital Subscriber Line (ADSL) is a form of DSL, a data communications technology that enables faster data transmission over copper telephone lines than a conventional voiceband modem can provide. It does this by utilizing frequencies that are not used by a voice telephone call. A splitter - or microfilter - allows a single telephone connection to be used for both ADSL service and voice calls at the same time. Because phone lines vary in quality and were not originally engineered with ADSL in mind, it can generally only be used over short distances, typically less than 3mi (5 km)

Answered at 9:21 PM on October 31, 2007

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What is a Microprocessor?

Asked by debasis in Computers & Technology at 5:55 PM on October 31, 2007

Jyotishmaan's Answer

A microprocessor is a programmable digital electronic component that incorporates the functions of a central processing unit (CPU) on a single semiconducting integrated circuit (IC). The microprocessor was born by reducing the word size of the CPU from 32 bits to 4 bits, so that the transistors of its logic circuits would fit onto a single part. One or more microprocessors typically serve as the CPU in a computer system, embedded system, or handheld device. Microprocessors made possible the advent of the microcomputer in the mid-1970s. Before this period, electronic CPUs were typically made from bulky discrete switching devices (and later small-scale integrated circuits) containing the equivalent of only a few transistors. By integrating the processor onto one or a very few large-scale integrated circuit packages (containing the equivalent of thousands or millions of discrete transistors), the cost of processor power was greatly reduced. Since the advent of the IC in the mid-1970s, the microprocessor has become the most prevalent implementation of the CPU, nearly completely replacing all other forms. See History of computing hardware for pre-electronic and early electronic computers.

Answered at 9:20 PM on October 31, 2007

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What is Adware?

Asked by dinu in Computers & Technology at 5:55 PM on October 31, 2007

Jyotishmaan's Answer

Adware or advertising-supported software is any software package which automatically plays, displays, or downloads advertising material to a computer after the software is installed on it or while the application is being used. Some types of adware are also spyware and can be classified as privacy-invasive software.

Answered at 9:19 PM on October 31, 2007

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What is AdSense?

Asked by dinu in Computers & Technology at 5:54 PM on October 31, 2007

Jyotishmaan's Answer

AdSense is an ad serving program run by Google. Website owners can enroll in this program to enable text, image and, more recently, video advertisements on their sites. These ads are administered by Google and generate revenue on either a per-click or per-thousand-impressions basis. Google is also currently beta-testing a cost-per-action based service.

Answered at 9:22 PM on October 31, 2007

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Write short note on Vaccuum Tubes

Asked by nisha in Computers & Technology at 7:33 PM on October 31, 2007

Jyotishmaan's Answer

A vacuum tube is just that: a glass tube surrounding a vacuum (an area from which all gases have been removed). What makes it interesting is that when electrical contacts are put on the ends, you can get a current to flow though that vacuum. Thomas Edison noticed this first in 1883. While fiddling with lightbulbs he saw that he could get current to jump from the hot filament to a metal plate at the bottom. The first computers used vacuum tubes for circuitry. They were very expensive to operate and in addition to using a great deal of electricity, generated a lot of heat, which was often the cause of malfunctions

Answered at 9:13 PM on October 31, 2007

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Write short note on Personal Computers

Asked by nisha in Computers & Technology at 7:34 PM on October 31, 2007

Jyotishmaan's Answer

A personal computer (PC) is a computer whose original sales price, size, and capabilities make it useful for individuals. It is unknown who coined the phrase with the intent of a small affordable computing device but John W. Mauchly described such a device in a November 3, 1962 New York Times article entitled "Pocket Computer may replace Shopping List". Six years later a manufacturer took a risk at referring to their product this way when Hewlett Packard advertised their "Powerful Computing Genie" as "The New Hewlett Packard 9100A personal computer". This advertisement was too extreme for the target audience and replaced with a much drier ad for the HP 9100A programmable calculator. During the next 7 years the phrase had gained usage so when Byte magazine, published its first edition it referred to its readers as being in the "personal computing field" while Creative Computing defined the personal computer as a "non-(time)shared system containing sufficient processing power and storage capabilities to satisfy the needs of an individual user." Two years later when the 1977 Trinity of preassembled small computers hit the markets, the Apple II and the PET 2001 were advertised as 'personal computers' while the TRS-80 was a microcomputer used for household tasks including "personal financial management". By 1979 over half a million microcomputers were sold and the youth of the day had a new concept of the personal computer. The Personal Computer was also the first non-human abstract to be the Time Magazine Person of the Year, 1982. Personal computers can be categorized by size and portability: * Desktop computers * Laptop or notebooks * Personal digital assistants (PDAs)[citation needed] * Portable computers * Tablet computers * Wearable computers * Cell Phones[citation needed]

Answered at 9:02 PM on October 31, 2007

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What is AdWords?

Asked by dinu in Computers & Technology at 5:55 PM on October 31, 2007

Jyotishmaan's Answer

Google’s advertising programme is called “AdWords”. It is used by thousands of businesses of all sizes in India and worldwide, to reach new customers in the most cost-effective and targeted way. With AdWords, your can communicate with potential customers precisely when they are seeking information about your products or services. There is no waste as the programme is based on cost-per-click pricing, you only pay when your advertising works and when one of your ads is clicked on and a consumer visits your website. And you control your spend at all time.Besides it’s millions of users in India, Google offers an extremely broad distribution network, that allows advertisers to reach out to the smallest niche or the largest segment of population online.* High relevance: Target customers as they are searching for your products and service

Answered at 9:18 PM on October 31, 2007

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Write short note on Integrated Circuit

Asked by nisha in Computers & Technology at 7:34 PM on October 31, 2007

Jyotishmaan's Answer

In electronics, an integrated circuit (also known as IC, microcircuit, microchip, silicon chip, or chip) is a miniaturized electronic circuit (consisting mainly of semiconductor devices, as well as passive components) that has been manufactured in the surface of a thin substrate of semiconductor material.

Answered at 9:03 PM on October 31, 2007

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