Computers and IT MCQs

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Bandwidth refers to the amount of data that can be transmitted in a fixed amount of time. For digital devices, the bandwidth is usually expressed in bits per second(bps) or bytes per second.

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EMV is a payment method based upon a technical standard. It is for smart payment cards and for payment terminals and automated teller machines which can accept them. EMV originally stood for “Europay, Mastercard, and Visa”, the three companies which created the standard. The Magnetic strip cards,smart cards and Fleet cards are the different technologies available.

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Hybrid computers are those computers which exhibit features of both the analog computers and digital computers.

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The World Wide Web Consortium is the main international standards organization for the World Wide Web. It was Founded in 1994.The consortium is made up of member organizations.

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Keystroke logging, often referred to as keylogging is the action of recording (logging) the keys struck on a keyboard. It is typically a covert thing, so that person using the keyboard is unaware that their actions are being monitored. Data can then be retrieved by the person operating the logging program. Virtual Keyboard reduces the risk of keystroke logging for the password entry.

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Blogger is the platform founded by Pyra Labs in 1999. Google acquired it in 2003. WordPress is a free and open-source content management system by wordpress foundation. Twitter is an American microblogging and social networking service founded in 2006.

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MeeGo is not a web browser. It is a discontinued Linux distribution hosted by the Linux Foundation, using source code from the operating systems Moblin and Maemo.

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Windows XP is an operating system introduced in 2001. It is from Microsoft’s Windows. The “XP” in Windows XP stands for eXPerience. Microsoft called the XP release its one of the most important product.

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In computing, a nibble (often nybble or even nyble to simulate the spelling of byte) is a four-bit aggregation, or half an octet. As a nibble contains 4 bits, there are sixteen possible values, so a nibble corresponds to a single hexadecimal digit (thus, it is often referred to as a “hex digit” or “hexit”).

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The principle of the modern computer was proposed by Alan Turing. His seminal paper “On Computable Numbers” has proposed a device called the Universal Computing Machine.