1.The put function outputs Select one: a. one character value. b. one float valu

Question

1.The put function outputs

Select one:

a. one character value.

b. one float value.

c. one integer value.

d. one double value.

2.Which function returns TRUE if the character argument is a letter?

Select one:

a. isdigit

b. islower

c. isalpha

d. isspace

3.Streams may be passed to a function.

Select one:

True

False

4.' ' is two characters.

Select one:

True

False

5.What are the valid indexes for the array shown below?
int myArray[25];

Select one:

a. 0-25

b. 0-24

c. 1-25

d. 1-24

Select one:

a. Array indexes start at 1 not 0.

b. Arrays must be integers.

c. Array indexes must be less than the size of the array.

d. Should be cin >> scores[0];

7.If we want a search function to search an array for some value and return either the index where the value was found, or -1 if not found, which of the following prototypes would be appropriate?

Select one:

a. void search(const int array, int target, int numElements);

b. void search(const int array, int target);

c. int search(const int array[], int numElements);

d. int search(const int array[], int target, int numElements);

8.Given the following function definition, what modifications need to be made to the search function so that it finds all occurrences of target in the array?
int search(const int array[], int target, int numElements)

Select one:

a. Add another parameter to indicate where to stop searching.

b. Add another parameter to indicate where to start searching.

c. This already can find all occurrences of a given target.

d. Have the function return the whole array.

9.strcmp(first, second) returns

Select one:

a. <0 if first < second, 0 if first == second, positive otherwise.

b. true if first=second, false otherwise.

c. nothing, it's a void function.

d. >0 if first < second, 0 if first > second, <0 otherwise.

10.What is wrong with the following code fragment?

Select one:

a. nothing

b. p1 and p2 both have the same value, so the delete p2 will cause an error

c. You have a memory leak.

d. p1 and p2 both have the same value, so the delete p2 will cause an error and You have a memory leak.

11.int *p1; declares a static variable.

Select one:

True

False

Select one:

a. DateType today(1,1,2000);

b. DateType today = (1,1,2000);

c. DateType today = {1,1,2000);

d. DateType today = {1,1,2000,0);

13.Given the following code fragment, which of the following expressions is always TRUE?
int x;
cin >> x;

Select one:

a. if( x < 3)

b. if( x==1)

c. if( (x / 3) >1 )

d. if( x = 1)

14.

Select one:

a. 3

b. 4

c. 5

d. 0

Explanation / Answer

1)
The correct option is a. one character value.

Explanation: The put function takes one character value
and print the chracter on console.

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2)
The correct option is c.isalpha

Explanation: The method isalpha check whether
the given character is printable alphbatic letter.
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3)
The correct answer is True

Explanation : The stream objcts can be passed as
arguments to functions to read or write to files
the data or from the files.
------------------------------------------------------------------------------------
4)
The correct answer is False

Explanation : The character ' ' is single line character
that represents the new line that give a new line and start from
the next line while printing to console or text file.

------------------------------------------------------------------------------------
5)
The correct option is b. 0- 24

Explanation : The integer array int myArray[25] is
an array of type integer of size 25.
The array starts from index =0 to index =size-1=25-1=24

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6)
Figure is missing , not visible
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7) The correct option is
d. int search(const int array[], int target, int numElements);

Explanation:
The funtion that takes an integer array, target value to search
and number of elemements in the array.

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8)
Figure is missing , not visible

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9)
The correct option is
a. <0 if first < second, 0 if first == second, positive otherwise.

Explanation:
The function strcmp that takes two character array strings
and return <0 if first <second
0 if first ==second
>0 first >second

------------------------------------------------------------------------------------
10)Figure is missing , not visible

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11.)
The correct answer is False

Explanation:
int *p1; declares a non - static variable that creates pointer variable p1 of type integer
static variables are followed by static keyword .

------------------------------------------------------------------------------------
12.)
The correct option is
d. DateType today = {1,1,2000,0);

Explanation : The DateType today can have
either ( or { but not combiation of { and )

------------------------------------------------------------------------------------
13.)
The correct option is
d. if( x = 1)

Explanation :
The expression if(x=1) is assignment of value 1 to x which
is always true so if condition is always returns true,1

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14.)Figure is missing , not visible

Note :figures with .gif not visible.

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