test cosc 2
Suppose that alpha and beta are int variables. The statement alpha = --beta; is equivalent to the statement(s) ____.
beta = beta-1 alpha = beta
An operator that has only one operand is called a unique operator.
false
In C++, reserved words are the same as predefined identifiers.
false
a comma is also called a statement terminator
false
suppose a =5. after the execution of the statement ++a; the value of a is 6
false
the escape sequence /r moves the insertion point to the beggining of the next line
false
The memory allocated for a float value is ____ bytes.
four
In a C++ program, one and two are double variables and input values are 10.5 and 30.6. After the statement cin >> one >> two; executes, ____.
one = 10.5, two=30.6
which of the folowing is a legal identifier
program_1
__ are executable statements that inform the user what to do
prompt lines
Choose the output of the following C++ statement: cout << "Sunny " << '\n' << "Day " << endl;
sunny day
Suppose we declare a variable sum as an int. The statement "sum += 7;" is equivalent to the statement "sum = sum + 7;".
true
the maximum number of significant digits in values of the double type is 15.
true
which of the following is the newline character
/n
The length of the string "computer science" is ____.
16
suppose that the count is an int invariable and count =1. After the statement count ++; executes the value of count is ____.
2
The value of the expression 17 % 7 is ____.
3
__ is a valid int value.
46259
the expression static_cast<int> (9.9) evaluates to
9
Suppose that alpha and beta are int variables. The statement alpha = beta ++; is equivalent to the statement(s) ____.
alpha = beta; beta = beta + 1;
suppose that alpha and beta are int variables. the statement alpha = beta --; is equivalent to the statements
alpha = beta; beta = beta - 1;
suppose that alpha and beta are int variables. the statement aplha=++beta;is equivalent to the statement(s)
alpha=beta+1;
which of the following is a reserved wrd in c++
char
consider the following code. in this code where does the include statement belong
insertion point 1
the declaration int a, b, c; is equivlent to which of the following
int a, b, c;