Computers and IT MCQs

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A zebibyte is a unit of data storage. It is equal to 2 to the 70th power, or 1,180,591,620,717,411,303,424 bytes. While a zettabyte can be estimated as 10^21 or 1,000,000,000,000,000,000,000 bytes, a zebibyte is exactly 1,180,591,620,717,411,303,424 bytes.

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Electronic cheek is a form of payment system. In this funds from customer’s account are transferred to the merchants account over the ACH (Automated clearing House) network. Debit card is one such payment as the customers funds are transferred.

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The term 128 bit era refers to the sixth generation in the history of the video games and video game consoles. This started in 1998 by Japanese Sega Dreamcast (DC). Other companies that joined the bandwagon of 128 bit era include Sony PlayStation 2 (PS2), Nintendo GameCube (GC), and Microsoft Xbox. The seventh generation of video game consoles started on November 22, 2005 with the launch of the Xbox 360. The current Eighth generation of video game consoles started in 2012.

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Mobile Banking, refers to sms sending on customer’s request and without requests.

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Downtime is the time period when a system is unavailable. Downtime or outage duration refers to a period of time that a system fails to perform its primary function.

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Charles Babbage, an English mechanical engineer and polymath gave the concept of a programmable computer. He is considered as the “Father of the Computer”.

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Steve Wozniak was a Californian electronics wizard, had developed a computer of his own named “Woz” often described as the hacker’s hacker.

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The castle clock which was a hydro-powered mechanical astronomical clock which was invented by Al-Jazari was the first programmable analog clock

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The core mathematical operations which are used  in an electric analog computer are- integration, exponentiation, inversion, addition, multiplication, logarithm and division.

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The history of personal computers is marked by the launch of the MITS Altair 8800, a microcomputer kit based on the Intel 8080 CPU, in 1975. The Altair is considered as the first computer designed for home use, although it was initially sold as a kit for hobbyists. It triggered the personal computer revolution and inspired the creation of the Microsoft Corporation.