Practice MCQ Questions and answers on Technology-GK

Before the invention of word processing and spreadsheet software, personal computers had little value in the mainstream business world. WordStar was used before the days of function keys and the mouse. It, instead, used a set of Ctrl and Alt key combinations to navigate and edit text documents.

The transistor, which essentially is a solid-state electronic switch, replaced the much less suitable vacuum tube. Because the transistor consumed significantly less power, a computer system built with transistors was much smaller, faster and more efficient than a computer system built with vacuum tubes.

Time To Live specifies how many more hops a packet can travel before being dropped.

It is a protocol used to create VPN connections over the net.

1983 Fred Cohen, while working on his dissertation, formally defines a computer virus as 'a computer program that can affect other computer programs by modifying them in such a way as to include a (possibly evolved)copy of itself.'

The World Wide Web is a subset of the Internet. Specifically, the Web is a collection of documents and applications residing on Internet servers around the world.