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Exam 13: Program Development and Programming Languages

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Question 51

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____ is the first phase of the PDLC.

A) Program coding
B) Program design
C) Problem analysis
D) Program debugging

E) B) and C)
F) C) and D)

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Question 52

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Comments are usually preceded by a specific symbol.

A) True
B) False

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Question 53

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It is easier to write comments- particularly comments explaining the logic of a program-at the time the program is coded,instead of trying to add those comments at the end of the project.

An advantage to using 4GLs is that they can result in a smaller number of program statements and more efficient object code when they are compiled into machine language.

The basic selection control structure is the _________________________,in which the condition can only result in two possibilities-true or false (yes or no).

In a(n) ____ check,the programmer "walks" through the program design,keeping track of the values of any loop counters and other variables in a tracing table to ensure the program does what it is intended to do.

Fourth-generation languages (4GLs) are ____.

The repetition control structure is also called the selection control structure.

Case 13-1 The Rainbow Trout Company specializes in developing software that is useful to amateur and professional fishermen.They often work on projects with constantly changing requirements. -The Rainbow Trout Company uses the ____ approach,which emphasizes teams of people working closely together,which provides for continuous learning and adaptation as the project is developed.

____ are small programs that are designed to be inserted into Web

In a computer program,____ are named memory locations that are defined for that particular program and are used to store the current value of data items used in the program.

Fourth-generation languages are commonly used to access ____.

In a(n)procedural program,variables can be accessed and their values changed from any module in the program,as appropriate.

Rather than creating a complete object module for a program,a(n) ____ reads,translates,and executes the source program one line at a time.

Python programs run on computers using the Windows,Linux,UNIX,Mac OS X,or OS/2 operating systems,as well as on Palm and Nokia mobile devices.

With the do until structure,the instructions in the loop are repeated as long as a certain condition is true.

Ruby on Rails is a framework for developing dynamic Web applications that is written in the Ruby programming language

A structured program is divided into individual modules;each module represents a specific processing task.

Although there is no precise definition of 3GLs,they are even further from machine language than fourth-generation languages,and,therefore,are much easier to use.

Structured programming embodies a top-down design philosophy.