Final

Question 1

What is responsible for executing program instructions?

Answer 1

Central Processing Unit

Question 2

A program read data from what input device

Answer 2

Keyboard

Question 3

A program outputs data to what output device?

Answer 3

Monitor or printer.

Question 4

An operating system is responsible for

Answer 4

managing the allocations of resource like memory and processor time.

Question 5

A compiler translates human-readable source code into what?

Answer 5

Binary machine language a processor can understand.

Question 6

The general steps in the software development method are

Answer 6

Specify the Problem requirements
Analyze the problem
Design the algorithm to solve the problem
Implement the algorithm 
Test and verify the completed program
Maintain and update the program

Question 7

The #include directive is

Answer 7

used to specify that a program uses functions defined in a library

Question 8

The #define directive is

Answer 8

used to define a constant macro, which is a name that represents a value that doesn’t change.

Question 9

The main functions is the

Answer 9

point at which program execution begins
int main(void)
{
            return (0);
}

Question 10

Reserved words and standard identifies have special meaning to a C compiler

Answer 10

Reserved words Standard identifiers

• int printf
• void scanf
• double
• return

Question 11

User-defined identifiers can have

Answer 11

only letters, digits, and underscores and cannot begin with a digit

Question 12

C is a

Answer 12

case sensitive programming language

Question 13

A variable is

Answer 13

a name that represents a memory location that stores data of a specific data type

Question 14

An assignment statement stores

Answer 14

a value in memory location

Question 15

Input and output functions are

Answer 15

defined in the standard input and output library

Question 16

The printf function outputs data

Answer 16

to the standard output device

printf(“Hello Class\n”);

Question 17

The scanf function reads data

Answer 17

from the standard input device

scanf(“%c%c”, &FirstInitial, &LastInitial);

Question 18

Preprocessor directives

Answer 18

precede the main function in a C program.  A preprocessor directive is processed before a program is complied.
#include

Question 19

Comments are used to

Answer 19

document a program to make it easier to read and maintain
/*This is an example of a comment.*/

Question 20

C includes arithmetic operators for

Answer 20

addition, subtraction, multiplication, division, and remainder.

Question 21

Variables can be converted between data types by using a

Answer 21

cast; however data will be lost when converting from a real number to whole number

Question 22

You can format numeric output by using

Answer 22

format strings

Question 23

Interactive mode accepts input from an

Answer 23

input device

Question 24

Batch mode accepts input from

Answer 24

information from a file

Question 25

You can redirect output that would normally be shown on the display to a

Answer 25

file

Question 26

A syntax error can be identified by the

Answer 26

compiler, a runtime error results in failure during execution, and a logic error is an error in the algorithm.

Question 27

You should predict and verify your results using

Answer 27

desk-checking to avoid logic errors

Question 28

Problem analysis includes

Answer 28

identifying input, output, and relevant formulas

Question 29

An algorithm is

Answer 29

a list of steps used to solve a problem

Question 30

Top-down design allows

Answer 30

you to subdivide a problem into smaller problems

Question 31

Structure chats are one

Answer 31

method used to perform top-down design

Question 32

C libraries include many functions

Answer 32

that can be used to per common tasks

Question 33

A sequence control structure is

Answer 33

a set of statements that are executed sequentially

Question 34

A selection control structure branches execution based

Answer 34

on the evaluation of one or more conditions

Question 35

Relational and equality operators are

Answer 35

used to compare two values

Question 36

Logical operators are

Answer 36

used to create more complex comparisons

Question 37

The order of operator precedence is

Answer 37

-function calls -unary operators, -arithmetic operators, -relational operators, -equality operators, -logical operators, -assignment

Question 38

if statement includes

Answer 38

a condition and a branch of execution

Question 39

if else statement includes

Answer 39

a condition, a block of code that executes when the condition is true, and a different block that executes when the condition is false

Question 40

Desk-checking the flow of a selection statement

Answer 40

can help ensure your logic is correct

Question 41

When programming

Answer 41

you should use consistent names in functions, create cohesive functions, and use constant macros to improve code readability

Question 42

A sequence control structure is

Answer 42

a set of statements tat are executed sequentially

Question 43

A selection control structure branches execution based on the

Answer 43

evaluation of one or more conditions

Question 44

Relational and equality operators

Answer 44

are used to compare two values

Question 45

Logical operators are used

Answer 45

to create more complex comparisons

Question 46

A diamond is

Answer 46

used on a flowchart to represent a decision

Question 47

Nested if statements can be

Answer 47

used when the branch to be executed depends on multiple conditions

Question 48

An if..else if statements is

Answer 48

used when you need to execute coed in response to mutually exclusive conditions

Question 49

A switch statement provides an alternative

Answer 49

an if...else if statement, provided the condition is based on variable of type int or char