問題詳情

Cyber-security is now part of all our lives. “Patches” and other security updates arrive forphones, tablets and PCs. Consultants remind us all not to open unknown files or plug unfamiliarmemory sticks into our computers. The bosses of some Western firms throw away phones andlaptops after they have been to China assuming they have been hacked. And yet, as our specialreport this week points out, digital walls keep on being breached.Last year more than 800mdigital records, such as credit- and debit-card details, were pinched or lost, more than three timesas many as in 2012. According to a recent estimate by the Centre for Strategic and InternationalStudies, a think-tank, the cost to the global economy of cyber-crime and online industrialespionage stands at $445 billion a year—about as much as the GDP as of Austria.Now a new phase in this contest is emerging: “the Internet of things”. This involvesembedding miniature computers in objects and connecting them to Internet using wirelesstechnology. Cisco, a technology company, predicts that 50 billion connected devices will be incirculation by the end of the decade, up from 11 billion last year. Web-connected cars andsmart appliances in homes are becoming more common, as are medical devices that can bemonitored by doctors many miles from their patients. Tech companies are splurging cash:witness Google’s punt on driverless cars and the $3.2 billion it has spent buying Nest, a makerof smart thermostats. (From The Economist July 12th 2014)
69. What does the word “Patches” in line 1 mean?
(A) Pieces of cloth to fix a computer program
(B) Software to improve a computer program
(C) Hacking devices
(D) Scams for commercial purposes

參考答案

答案：B
難度：適中0.686747
統計：A(10),B(57),C(10),D(5),E(0)

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