CS FINAL

To declare an enumerated type, we must declare its identifier and its values. (T/F)

T

The computer language that most closely resembles machine language is ____.

Assembly

The "natural" loop for data validation is the do...while because it is a post-test loop. (T/F)

T

Which of the following statements about pointer initialization is true?

The data variable must be declared before it can be used for pointer initialization.

A C function must be both declared and defined. (T/F)

T

A ____ is a construct that allows a portion of memory to be shared by different types of data.

union

It is a good programming style to indent dependent statements. (T/F)

T

In C, if statements cannot be nested.(T/F)

F

Which of the following answers about statements is true?

Statements can be null.

Which of the following statements about arrays in structures is false?

Structures can have only one array within the declaration.

The string-in-string function returns a pointer to a matching sub-string in a string.(T/F)

T

A C program is made up of one or more functions, one of which must be named main. (T/F)

T

Like an array, all of the elements in a structure must be of the same type.(T/F)

F

Given the following code, what is printed? int x;x = 4;printf("%d %d", x, x++);

4 4

To insert a node in a linked list, we only need to know the new nodes logical successor.(T/F)

F

Which of the following statements about string compares is false?

If the two strings are equal, the result is true.

The for statement is a pretest loop that contains three expressions: initialization, limit-test, and process.(T/F)

F

System software manages the hardware resources and performs required information processing tasks.(T/F)

T

A local variable is a variable that is defined inside a function.(T/F)

T

Only fixed-length arrays can be initialized when they are defined.(T/F)

T

Because enumerated types are based on standard numeric types, they can be read and written using the formatted input/output functions.(T/F)

F

The ____ function writes a string to the standard output stream.

puts

An array is a collection of elements of the same data type.(T/F)

T

Which of the following statements about the else-if construct is false?

The else-if is a C construct.

In a post-test loop, if the test is false, no action is taken.(T/F)

F

An expression is a sequence of operands and operators that reduces to a single value.(T/F)

T

Recursion is a repetitive process in which a function calls itself.(T/F)

T

A complex expression contains more than one operand.(T/F)

F

Which of the following is not a step in inserting a node into a linear list?

Set the new nodes link pointer to NULL.

If an integer (int) and a real (float) are multiplied, the result is an integer.(T/F)

F

The size of all pointers is the same.(T/F)

T

Functions cannot be coded in a parameter list.(T/F)

F

Global declarations are found in the declarations section within a function.(T/F)

F

Variables defined with a block have global scope.(T/F)

F

Which of the following expressions uses associativity?

a * b / c

The ____ string function scans a string under the control of a format conversion specification and stores the results in one or more variables.

sscanf

The C language does not verify that an index is valid for an array.(T/F)

T

A linked list must always have a last pointer.(T/F)

F

The application design tool that is a visual representation of the logic in a function within a program is the ____.

Flowchart

A for loop is used when a loop is to be executed a known number of times.(T/F)

T

As long as the types are the same, one array can be copied to another using the assignment operator.(T/F)

F

The value of the expression 2 + 3 * 4 is 20.(T/F)

F

The major deficiency in an array implementation of a list is that searching and retrieval are slow.(T/F)

F

A ____ is a construct that creates a type that can be used to define objects.

structure (struct)

When we pass an address to a function, we are actually passing a pointer to a variable.(T/F)

T

The ____ operator is used to extract the address for a variable.

address (&)

A ____ consists only of a function header.

function declaration

Which of the following statements about evaluating binary logical expressions is false?

For efficiency, it is a good programming style to use side effects in binary expressions.

A computer system consists of hardware and ____.

software

Which of the following statements is not a looping construct?

switch

The value of the modulus binary expression is a remainder.(T/F)

T

Which of the following array initialization statements is valid?

int ary [5] = {1, 2, 3};

To delete a node, we must first locate it.(T/F)

T

A pointer is a constant or variable that contains an address that can be used to access data.(T/F)

T

An address expression consists of an ampersand (&) and a variable name.(T/F)

T

Given a is 3, b is 4, and c is 5, what is the value of the expression--a * (3 + b) / 2 - c++ * b?

-13

A function call is a postfix expression.(T/F)

T

Because addresses are pointer constants, pointers cannot be initialized.(T/F)

F

Enumerated types can be added, subtracted, multiplied, and divided.(T/F)

T

C has only three loop statements.(T/F)

T

In C, data is input to and output from a stream.(T/F)

T

Which of the following statements about nested structures is false?

Before a structure can be nested, it must be declared.

C is a structured programming language.(T/F)

T

Because C passes an array to a function using its address, it is not possible to prevent the called function from changing the values in the array.(T/F)

F

A count loop must be written with a for statement; it cannot be written using a while loop.(T/F)

F

The parameters in a function definition must have a type and a name.(T/F)

T

In a linked list, the elements are called headers.(T/F)

F

Structures may contain pointers.(T/F)

T

A stack is also known as a FIFO data structure.(T/F)

F

A ____ is a variable that is defined inside a function and used without having any role in the communication between functions.

local variable

Traditionally, lists are implemented using either arrays or pointers.(T/F)

T

Which of the following statements about the syntax for the if-else statement is false?

The if-else is terminated with a semicolon.

Which of the following is not required in general-list insertion?

Insert a duplicate key.

Variables are not initialized automatically.(T/F)

T

One programming technique used to simplify long, complex expressions is to use braces.(T/F)

F

While the address of a variable is constant, the address stored in a pointer variable can be changed.(T/F)

T

The tool used by a programmer to convert a high-level source program to an object module is a ____.

Compiler

The else in an if...else statement is always required.(T/F)

F

C uses fixed-length, delimited strings.(T/F)

F

A table is a two-dimensional array of rows and columns.(T/F)

T

If the number of values provided in the initializer is fewer than the number of elements in the array, the unassigned elements are filled with zeros.(T/F)

T

Which of the following I/O functions cannot be used to read a string from a file?

sscanf

A pointer that is currently pointing to no variable contains the null-pointer constant, NULL.(T/F)

T

Any expression can be used in the switch statement.(T/F)

F

As long as they are identically declared, including their length, one string may be assigned to another.(T/F)

F

The only formatted string input/output conversion code is "%s".(T/F)

F

Which of the following statements passes a pointer to a variable to a function?

fun (&x);

The C logical operators are not, and, and or.(T/F)

T

A type definition gives a name to a data type by creating a new type.(T/F)

T

Which of the following is the complement of equal ( ==)?

!=

Block comments may span several lines.(T/F)

T

A three-dimensional array consists of planes, rows, and columns.(T/F)

T

Fixed-length strings are terminated by a delimiter.(T/F)

F

In a counter-controlled loop, we always add to a counter to determine when to terminate the loop.(T/F)

F

Nodes in a linked list are self-referential because each instance of a node contains one or more pointers to other instances of the same node type.(T/F)

T

C uses an index to access the individual elements in an array.(T/F)

T

In general, a string is a series of characters treated as a unit.(T/F)

T

The while loop is a post-test loop.(T/F)

F

C always pairs an else statement to the most recent unpaired if statement in the current block.(T/F)

T

A C function can have no parameters and still return a value.(T/F)

T