Examination "Information systems in economy"

Examination - "Information systems in economy" - 6 jobs

JOB number 1
It's no secret that the computer world is rich with heroes. However, many people do you know? Unfortunately, most of you will respond negatively. In order to fill this gap, we suggest you do research and get to know the names of people who have made significant contributions to the development of information systems.
How does your work will be built? Everything is very simple. In the table below, we have identified the names of the leaders and placed them next to portraits. Your task - to write in the second column of the table merit "information" figure.

Charles Babbage
Steve Jobs
Alan Turing
Paul Allen
Ray Tomlinson
Gottfried Wilhelm Leibniz
Ada Lovelace
Sergey Lebedev
Niklaus Wirth
Sergey Brin
Williams (Bill) Henry Gates
Carl Douglas Engelbart

JOB number 2
1. Write a larger number in the decimal system
1) 00100001
2) 00101010
3) 01110010

2. Set the number 27 in binary system
3. Write down what is x - in the decimal system, if x = 01111111 - 00110010
4. Place the ASC 32 bit, 4 GB, 210 bytes, 8 bits, 12 megabytes, 2 kilobytes.
5. birthday Masha gave a flash drive (2GB). Specify the maximum number of documents that Mary will put on a flash drive if the "weight" of a document by an average of 125 KB.
6. Add the two numbers without a calculator 110,101,102 and 111.
7. Transfer the numbers to binary number system without the aid of a calculator 239.

JOB number 3
In the traditional sense of control work should include any questions that students must answer. But, as practice shows, not only in the students' responses can be judged on his understanding of the material. After all these answers can be written off or mindlessly memorize! A clearer picture of how the student has mastered the material, give the questions he asks.