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Consider the statements below in relation to the text.
I - There seems to be an unsolved contradiction between heavy investments on IT and the expected results. II - There are still no accurate ways to measure the impact of IT on productivity growth. III- In the 90s, information technology finally helped to raise the productivity growth rates.
Which ones are correct?
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Select the alternative that adequately fills in the blanks in lines 09,10 and 19.

    Forensic computer analysts investigate crimes against computers, such as hacking, as well as crimes involving computers. They might search a suspect’s computer hard drive for incriminating files, pictures or other documents. They might also track the Internet activity of a suspect or victim to determine what sites he visited and whom he communicated with. In addition, they can often reveal information that suspects have attempted to hide, such as determining where an email or other electronic communication originated from even if the sender concealed his computer’s IP address to mask his location.

Internet: http://oureverydaylife.com (adapted).

According to the text, forensic computer analysts

    There are specific types of systems analysts, such as systems architects or systems designers, but a systems analyst generally works in the computer department of a company providing the research and information necessary to maintain an up-to-date computer system. The main responsibility of a systems analyst is to make certain the computer system of his or her employer is functioning efficiently. To do this, a systems analyst may examine both the hardware and software currently being used and suggest or even design new programs to better meet the organization’s needs. In most cases, the systems analyst would also provide a cost-benefits analysis to make certain any proposed changes were fiscally responsible.

Internet: http://study.com (adapted).

It can be concluded from the text that systems analysts

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The author of text 3A7AAA concludes that