Question 1

What statement accurately describes the analysis phase of the waterfall model?

Accepted Answer

A)   In this phase, the programmers determine what the program will do.
B)   In this phase, the programmers determine how the program will do its task.
C)   In this phase, the programmers receive a broad statement of a problem that may be solved by the development of a program.
D)   In this phase, the programmers bring together the various parts of a program into a smoothly functioning whole.E) B) and D)
F) B) and C)

Question 2

A semantic error is detected when the action that an expression describes cannot be carried out, even though that expression is syntactically correct.

Accepted Answer

A) True 
 B)False

Question 3

The design phase of the waterfall model is also called the coding phase.

Accepted Answer

A) True 
 B)False

Question 4

Functions that are always available in Python come from what module?

Accepted Answer

A)   main
B)   internal
C)   __builtin__
D)   __system__E) A) and B)
F) A) and C)

Question 5

Programs rarely work as hoped the first time they are run.

Accepted Answer

A) True 
 B)False

Question 6

Real numbers have infinite precision, which means that the digits in the fractional part can continue forever.

Accepted Answer

A) True 
 B)False

Question 7

In Python, \b is a escape sequence that represents a horizontal tab.

Accepted Answer

A) True 
 B)False

Question 8

Variables receive their initial values and can be reset to new values with an assignment statement.

Accepted Answer

A) True 
 B)False

Question 9

What special character does the '\b' escape sequence generate?

Accepted Answer

A)   It generates a border special character.
B)   It generates a bold special character, causing all text after the character to be bolded.
C)   It denotes a block of text follows the escape sequence.
D)   It produces a backspace special character, which performs the same function as the backspace key.E) B) and D)
F) A) and B)

Question 10

What print statement will output a single '\' character?

Accepted Answer

A)   print('\') 
B)   print('\') 
C)   print('""') 
D)   print('\\') E) None of the above
F) A) and B)

Exam 2: Software Development Data Types and Expressions

What statement accurately describes the analysis phase of the waterfall model?

Correct Answer
verified

Variables receive their initial values and can be reset to new values with an assignment statement.

Correct Answer
verified

In Python, \b is a escape sequence that represents a horizontal tab.

Correct Answer
verified

A semantic error is detected when the action that an expression describes cannot be carried out, even though that expression is syntactically correct.

Correct Answer
verified

Real numbers have infinite precision, which means that the digits in the fractional part can continue forever.

Correct Answer
verified

Functions that are always available in Python come from what module?

Correct Answer
verified

The design phase of the waterfall model is also called the coding phase.

Correct Answer
verified

What print statement will output a single '\' character?

Correct Answer
verified

What special character does the '\b' escape sequence generate?

Correct Answer
verified

Programs rarely work as hoped the first time they are run.

Correct Answer
verified

Exam 2: Software Development Data Types and Expressions

What statement accurately describes the analysis phase of the waterfall model?

Correct AnswerverifiedShow Answer

Variables receive their initial values and can be reset to new values with an assignment statement.

Correct AnswerverifiedShow Answer

In Python, \b is a escape sequence that represents a horizontal tab.

Correct AnswerverifiedShow Answer

A semantic error is detected when the action that an expression describes cannot be carried out, even though that expression is syntactically correct.

Correct AnswerverifiedShow Answer

Real numbers have infinite precision, which means that the digits in the fractional part can continue forever.

Correct AnswerverifiedShow Answer

Functions that are always available in Python come from what module?

Correct AnswerverifiedShow Answer

The design phase of the waterfall model is also called the coding phase.

Correct AnswerverifiedShow Answer

What print statement will output a single '\' character?

Correct AnswerverifiedShow Answer

What special character does the '\b' escape sequence generate?

Correct AnswerverifiedShow Answer

Programs rarely work as hoped the first time they are run.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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