ITF+ Module 2 Using Apps and Database

Which notation system supports presenting the largest numbers using the fewest digits?

• Hexadecimal

• Decimal

• Binary

• KiloByte

What is the decimal number 75 in binary and hexadecimal?

• 5C in binary and 0101 1100 in hex

• 4B in binary and 0100 1011 in hex

• 0100 1011 in binary and 4B in hex

• 0101 1100 in binary and 5C in hex

Which data type provides for whole numbers only?

• Integer

• Boolean

• Hexadecimal

• Secondary

In general, what is the difference between the char and string data types?

• There is a limit on the amount of storage that can be used by a string. There is no limit for a character.

• Char is variable length field for storing a sequence of characters. A string stores a single textual character or string in a fixed length field (typically 1 byte).

• A number entered as a string cannot be used for mathematical operations. When a number is entered as a character data type, you can perform mathematical operations on it.

• Char stores a single textual character in a fixed length field (typically 1 byte). A string is a variable length field for storing a sequence of characters.

Which data representation format can encode the widest range of characters?

• Binary

• ASCII

• Unicode

• Hex

What is TRUE about legal protection for a novel software algorithm?

• Patent provides the best protection as it can enforce ownership even if someone tries to write the algorithm in a slightly different way.

• Trademark provides the best protection as it can enforce ownership to protect the unique elements of a software algorithm.

• You can only copyright the name, not the software algorithm itself. The copyright will make you the sole owner of that brand.

• You can't legally protect a novel software algorithm. It will be owned by the original publisher of the software that you used to create it.

What data protection technology could you implement in order to restrict the type of activity that a user could employ on digital products that they have purchased or rented?

• Trademark

• Patent

• Digital Rights Management

• Copyright

What part of the process of data analytics is most closely supported by meaningful reporting?

• Insights

• Data

• Information

• Correlation

What compatibility information should you confirm before installing a software application?

• That it works with the version of the operating system that you have, and that your computer meets the system (hardware) requirements.

• That you read the End User License Agreement (EULA) and agree to the terms of the license agreement.

• That you select the "repair" option if the software program has stopped working properly.

• That you review the advanced options and select specific feature sets.

Following installation of a program written for an older version of Windows, you receive an alert that it might not have installed correctly. What feature could you use to make the program run correctly?

• Use the Repair option inherent in most programs to automatically fix this issue.

• The program's Details tab to use settings for the latest version with the latest patches.

• Use the uninstall/reinstall feature that should fix any compatibility issues you may have.

• Use the program's Compatibility tab to use settings for the older Windows version.