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C++ Programming Ch 2

Terms in this set (25)

An identifier must start with a letter and can be any sequence of characters.
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In C++, there is no difference between a reserved word and a predefined identifier.
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A C++ identifier cannot start with a digit.
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The collating sequence of a character is its preset number in the character data set.
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Only one of the operands of the modulus operator needs to be of type int.
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If a = 4; and b = 3;, then after the statement a = b; the value of be is erased.
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If the input is 7 and x is a variable of type int, then the statement
cin >> x; assigns the value 7 to x.
False
In and output statement, the newline character may be a part of the string.
True
In C==, all variable must be initialized when they are declared
True
In a mixed expression, all the operands are converted to floating-point numbers.
False
Supposed x = 5. After the statement y = x++; executes, y is 5 and x is 6.
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Suppose a = 5. after the statement ++a; executes, the value of a is still 5 because the value of the expression is not saved in another variable.
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Which of the following are valid C++ identifiers?
a) firstC++Prog
b) travel_Time
c) 3feetInAYard
d) _number
e) CPP_Assignment
f) InchesInOneCentimeter
g) Monthly Pay
h) Jack'sHomework
i) first#
j) bonusAmount$
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Which of the following is not a reserved word in C++?

a) int
b) include
c) double
d) const
e) cin
f) bool
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What is the difference between a reserved word and a user-defined identifier?
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