CDA 16217 | Course Paper

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Which of the following is not part of the FILE structure specified in <stdio.h>?

(a) file descriptor

(b) open file table

(d) file control block

In the line

int main()

the parentheses indicate that main is a program building block called a

a) module

b) statement

c) directive

d) function

The __________ selection statement performs an action if a condition is true and skips

that action if the condition is false.

a) if

b) when

c) if else

d) switch

Which statement is false?

a) Each function should be limited to performing a single, well-defined task.

b) If you cannot choose a concise name that expresses what a function does, it’s

possible that the function is attempting to perform too many diverse tasks.

c) Every function should be broken into smaller functions.

d) A function’s parameters are local variables.

Which statement about strtok is false?

a) It breaks a string into tokens.

b) Subsequent calls to continue tokenizing the same string contain NULL as the first

argument.

c) The length of the current token is returned by each call.

d) If there are no more tokens when the function is called, NULL is returned.

The World Wide Web ________.

(a) was developed at roughly the same time as the Internet

(b) paved the way for the Internet

(d) was designed for ‘stand-alone” computers

Given the preprocessor directive

#define HAPPY(x) printf (“Happy, ” #x “\n”);

How would you invoke this macro to generate a statement that would print

Happy BIRTHDAY (followed by a newline)

at execution time?

a) Happy(Birthday)

b) Happy(BIRTHDAY)

c) HAPPY(Birthday)

d) HAPPY(BIRTHDAY)

Q3: The try block cannot:

a. Enclose the code that may throw the exception.

b. Enclose its own catch blocks.

c. Test enclosing try blocks for additional catch statements if this try block’s catch

statements can”t match the exception being thrown.

d. Have exceptions explicitly or implicitly thrown in the try block itself.

If a = 7.0, b = 7.0 and c = 6.0, then what is printed by

printf(“%.2f”, sqrt(a + b * c));

a) 49

b) 7.00

c) 7

d) 49.00

Which expression is true?

a) The expression a * (b + c) + c * (d + e) contains nested parentheses.

b) The expression y = a * x * x + b * x + cdoes exponentiation without an

exponentiation operator.

c) The C standard library provides function power to perform exponentiation.

d) When we say evaluation of an expression proceeds from left to right we are referring

to the additivity of the operators.

The ____________, __________, and ____________ are the only three forms of

control necessary.

(a) switch, if, else

(b) sequence, selection, iteration

(d) for, while, dowhile

Which statement regarding for statements is false?

a) In a for statement, the initialization, loop-continuation condition, and increment can

contain arithmetic expressions.

b) The increment must be greater than zero.

c) If the loop-continuation condition is initially false, the body of the loop is not

performed.

d) It is common to use the control variable for controlling iteration while never

mentioning it in the body of the loop.

A queue receives the following commands (in pseudo-code):

enqueue 4, 6, 8, 3, 1

dequeue three elements

enqueue 3, 1, 5, 6

dequeue two elements

What number is at the front of the queue?

(a) 3

(b) 4

(d) 6

Which statement is false?

a) The ANSI C standard does not specify the order in which the operands of most

operators are to be evaluated.

b) The ANSI C standard specifies the order of evaluation of operators &&, ||, comma,

and ?:.

c) A program that evaluates Fibonacci numbers recursively achieves high performance

because of exponential complexity.

d) Programs that depend on the order of evaluation of the operands of operators other

than &&, ||, comma, and ?: can function differently on systems with different compilers.

The smallest data item in a computer, called a ________, can assume the value 0 or the

value 1

(a) bit

(b) character

(d) digit

C’s if statement executes the statement inside its body if a specified __________ is

__________.

(a) condition, true

(b) condition, false

(d) relational operator, true

Function __________ prints the character equivalent of its integer argument.

a) putchar

b) putch

c) printchar

d) printch

A label must

(a) be defined as a global constant prior to use

(b) appear in the same function as the goto statement that refers to it

(d) all of the above

Q2: Assuming that text is a variable of type string, what will be the contents of text

after the statement cin >> text; is executed if the user types Hello World! then presses

Enter?

a. “H”

b. “Hello”

c. “Hello World”

d. “Hello World!”

In a flowchart of an algorithm, what is the shape of the decision symbol?

(a) circle

(b) rectangle

(d) rounded rectangle

Which integer conversion specifier displays an unsigned decimal integer?

a) u

b) U

c) ud

d) UD

A valid reason for building programs out of functions is

(a) that the divide-and-conquer approach facilitates program construction

(b) that pre-existing functions can be used to create new programs

(d) all of the above

What method should be used to pass an array to a function that does not modify the

array and only looks at it using array subscript notation?

(a) A constant pointer to constant data.

(b) A constant pointer to nonconstant data.

(d) A nonconstant pointer to constant data.

Which operator sets the bits in the result to 1 if at exactly one of the corresponding bits

in the two operands is 1?

a) bitwise AND

b) bitwise inclusive OR

c) bitwise exclusive OR

d) bitwise complement

The _____ is the average value of a set of data items.

a) mean

b) median

c) mode

d) matrix

. Structures may contain variables of many different data typesin contrast to

___________ that contain only elements of the same data type.

a) files

b) arrays

c) constants

d) functions

The address operator is

a) &&

b) %

c) @

d) &

If x = 3, which of the following sets x to 7?

(a) x *= 4;

(b) x += 4;

(d) x + 4 = x;

Q4: protected base class members cannot be accessed by:

a. Functions that are neither friends of the base class, derived-class member functions

nor friends of a derived class.

b. friends of the base class.

c. Functions that are not derived-class member functions.

d. friends of derived classes.

Function malloc takes as an argument the number of bytes to be allocated, and returns a

pointer of type __________ to the allocated memory.

a) char *

b) int *

c) void *

d) NULL *

Q2: Assuming that GradeBook.h is found in the current directory and the iostream

header file is found in the C++ Standard Library header file directory, which of the

following preprocessor directives will fail to find its desired header file?

a. #include <iostream>

b. #include “iostream”

c. #include <GradeBook.h>

d. #include “GradeBook.h”

Which of the following multiple word variable names does not conform to the good

programming practices in the text?

a) multiple_word_variable_name

b) multipleWordVariableName

c) multiplewordvariablename

d) aReallyReallyLongMultipleWordVa

Q1: Each standard library has a corresponding:

a. Function.

b. Variable type.

c. Header file.

d. Cd-rom.