Answer the following statements true (T) or false (F)
1. In the object-oriented approach, messages are sent and received by entities called
methods.
2. Object modules generated by different source languages cannot be stored on the same
library.
3. A linkage editor prepares a complete load module and immediately executes it.
4. A reentrant program is one whose main control module is a repetitive loop.
5. An application program sits between the user and the operating system and
communicates with the user through an application programming interface or API.
1. False
2. False
3. False
4. False
5. False
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Which of the following statements about regular expressions is true?
a. They are used to match specific character patterns in text. b. They can be used to replace parts of one string with another, or to split a string. c. They can be used to validate data to ensure that it’s in a particular format. d. All of the above statements are true.
The term ____________ is used to describe a file from which data is read.
a. input file b. output file c. record file d. record set
Case-based Critical Thinking QuestionsCase 13-1Judy wants to be able to validate the XML documents that she uses for recipes. These documents include numeric elements that specify ingredient amounts and cooking times, so you recommend that she use a schema instead of a DTD, and you teach her some of the key facts about schemas. Judy has an attribute called "recipeType" that she uses to record whether the recipe is for an appetizer, entree, dessert, or other type of dish. This attribute only contains text. Which of the following would be a valid XML schema definition for this attribute?
A.
The advanced driver setting that allows configuration of the device's communication characteristics, such as speed, parity, and number of data bits, and is dependent on the requirements of the device connected to the communications port is called Port Settings
Indicate whether the statement is true or false