Jazz

1. (TCO 2) The users of your C++ program complain that the program's window exits before they have a chance to view the results. How can you remedy this problem? (Points: 2)

a. add "cin.ignore(2)" to the end of the program's code

b. add "cout.putback(2)" to the last line of code

c. add "endl" to the end of the last line of code

d. add "cin.get(2)" to the end of the program's code

2. (TCO 2) Input devices include _______. (Points: 2)

a. scanners and monitors

b. bar-code scanners and keyboards

c. digital cameras and monitors

d. scanners and speakers

3. (TCO 1) Accepting input from _________ is the most effective way to process large amounts of data. (Points: 2)

a. the keyboard

b. the mouse

c. cut and paste

d. a file

4. (TCO 2) The math.h function cosh() is an example of a(n) _________ function. (Points: 2)

a. exponential

b. hyperbolic

c. logarithmic

d. trigonometric

5. (TCO 1) Which line contains an error?

1) #include

2) using namespace std;

3) void main()

4) {

5) int x;

6) cout << "Enter a value for x: ";

7) x >> cin;

8) cout << endl << "The number you entered for x is: "<< endl;

9) }

a line 4)

b line 5)

c line 6)

d. line 7)

6. (TCO 1) Given this input from the console:

A 100

the following lines of code ______ compile but _______ result in an input failure:

int A, B;

cin >> A >> B; (Points: 2)

a. will, will

b. will, will not

c. will not, will

d. will not, will not

7. (TCO 2) Which output will this code produce?

#include

#include

using namespace std;

void main()

{

double a = 7865.34566;

cout << fixed << showpoint;

cout << setprecision(3) << endl;

cout << "a = " << a << endl;

cin.ignore(2);

} (Points: 2)

a. a = 7865.34566

b. a = 7865

c. a = 7865.345

d. a = 7865.34

8. (TCO 1) Which output will this code produce?

#include

#include

using namespace std;

void main()

{

float a = 30.879;

cout << fixed << showpoint;

cout << setprecision(2);

cout << "the number is: " << a << '\n' << "thank you" << endl;

cin.ignore(2);

}

a. the number is: 30.87

thank you

b. the number is: 30.87thank you

c. the number is: 30thank you

d. the number is: 30

thank you

9. To output data to a file, your program must ________.

a declare its own output file stream variable

b include the header

c. open the output file

d. all of the above

10. You need to calculate c, which is a quarter of the hypotenuse of a right triangle with side lengths a and b. How can you express the formula for c using math.h functions?

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& i salute 2 all those who have given their lives to safe some part of our country. Lets pray 4 them and wat do u think about those soldiers who have helped us in completing the mission ithout thinkin about their

I mean with wat thing or gift they should b honored.

I have got a homework "To write a resume letter" .Actually i have no idea about wat this is well i want a job for astronaut or anything good that's all I know.

I dont want any sites plz help me doing this.

Can u plz write this

Hey friends

Can any one of u tell me any site which tell u the studies of 11 grade in Ney york [USA]

u will b appericiated

THanx

Are u basically from india ???????

plz dont report this ques

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how 2 play game on calculator

do any of u know that where is miss pooja[punjabi singer ] coming this sunday on 11 may at which temple in New York

how to make a spicy aloo parantha

have u ever eaten any indian food ? how does it taste & which is the best ?

do you think that for living a good life having fair color is much important.

MY BROTHER ALWAYS FIGHTS WITH ME , CALLING ME WITH BAD NAMES & SAYING THAT MY FACE IS VERY BAD, DULL & MORE. I AM FED UP WITH ALL THIS. SO WHAT SHOULD I DO ???