C++ ch9 study #2

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1.The value of RAND_MAX varies with different systems, but its value is always at least __.

32,767

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1.You should ___ the random number generator in each program in which it is used; otherwise it will generate the same series of numbers each time the program is executed.

initialize

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1.You initialize the random number generator using the ____ function.

srand()

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1.The srand() function is a ___ function, meaning it doesn't return a value.

void

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1.The ___ function is a value-returning function that returns the current time(according to your computer systems clock) as seconds elapsed since midnight on January 1, 1970.

time()

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1.To use the time() function in a program, the program must contain the ____ directive.

#include <ctime>

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1.In this book, functions you create are referred to as _____ functions, because the function definitions are contained in the program itself rather than in a different file.

program-defined

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The first line in a function definition is called the ____, because it appears at the top of the function.

function header

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1.A function header doesn't end with a semicolon. TRUE/FALSE?

TRUE

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The ____ store the information passed to the function when the function is invoked.

formal parameters

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1.The items of information you send(pass) to a function are called ___.

actual arguments

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1.Passing a variable's value is referred to as _____.

passing by value

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1.Passing a variables address is referred to as _________.

passing by reference

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1.Unless you specify otherwise, values in C++ are passed by ____.

value

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1.The ____ contains the instructions the function must follow to perform its assigned task.

function body

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In most cases, the last statement in the function body of a value returning function is __

return

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1.The ___ statement alerts the computer that the function has completed its task.

return

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1.A _____ is a statement that specifies the function's name, the data type of its return value(if any) and the data type of each of its formal parameters.

function prototype

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1. The function prototype is usually at the ___ of the program. (beginning, middle, end)

beginning

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1.The function prototype doesn't end with a semicolon. TRUE/FALSE

FALSE

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1.The names of the formal parameters do not need to be identical to the names of the corresponding actual arguments. TRUE/FALSE

TRUE

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1.A(n) variable's ___ indicates where in the program the variable can be used.

scope

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1.A(n) variable's ___ on the other hand indicates how long the variable remains in the computer's internal memory.

lifetime

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1.Variables declared within a function and those that appear in a function's parameter list have a local scope and are referred to as _____.

local variables

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____ are declared outside of any function in the program and they remain in memory until the program ends.

global variables

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1.A (n)____ function is a function that doesn't return a value after completeing its assigned task.

void

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1.Each ____ you create in a program has both a value and a unique address that represents the location of the ___ in the computers internal memory.

variable

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1.Passing by _____ gives the receiving function access to the variable being passed.

reference

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1.To pass a variable by reference in C++, you include an ampersand(&) called the __ before the name of the corresponding formal parameter in the receiving function's header.

address-of-operator

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1.The ____ tells the computer to pass the variable's address rather than its contents.

ampersand

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1.A (n)____ variable also called a ____ variable is one that is unrelated to any other variable in the computers internal memory.

simple, scalar

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1.A(n) ___ is a group of variables that have the same name and data type and are related in some ways.

array

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1.An array that can be visualized as a column is a ___.

one dimensional array

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1.A unique number called a ____ identifies each variable in a one dimensional array.

subscript

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1.The first variable in a one-dimensional array is assigned a subscript of ___.

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Created by: kat1350