Three quick questions in reference to Information System management

Total 600 words

Question 1

General discussion question referring to databases and DBMSS functions

200 words

Research organizational benefits of using databases and DBMS's. Respond to the following statements. Include your research and personal experiences as part of your answers.

Discuss at least two reasons organizations use databases and DBMS's(database management systems).

Discuss one advantage a database has over a spreadsheet.

Question 2

Short answer question

200 words

Why are mobile systems important?

Question 3

Short answer question

200 words

Describe a DBMS(database management system) and its functions. List, at minimum, three of the popular DBMS products and give a brief description of each.

Information from text book

Mobile systems are information systems that support users in motion. Mobile systems users access the system from any placeat home, at work, in the car, on the bus, or at the beachusing any smart device, such as smartphone, tablet, or PC. The possibilities are endless.

Mobile systems users move not only geographically, but also from device to device. The user who starts reading a book on an iPad on a bus, continues reading that book on a PC at work, and finishes it on a Kindle Fire at home is mobile both geographically and across devices.

As shown in Figure 4-16, the major elements in a mobile system are users in motion, mobile devices, wireless connectivity, and a cloud-based resource. A mobile device is a small, lightweight, power-conserving, computing device that is capable of wireless connectivity. Almost all mobile devices have a display and some means for data entry. Mobile devices include smartphones, tablets, personal digital assistants, and small, light laptops. Desktop computers, Xboxes, and large, heavy, power-hungry laptops are not mobile devices.

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