Programming Languages (C++)

1. Streams are
a.       Abstraction to perform input and output operations in sequential media
b.      Abstraction to perform input and output operations in direct access media
c.       Objects  where a program can either insert or extract characters to and from it
d.      Both a and c

2. Which of the following is known as insertion operator?
a.       ^
b.      v
c.       <<
d.      >>

3. Regarding the use of  new line character (/n) and endl manipulator with cout statement
a.       Both ways are exactly same
b.      Both are similar but endl additionally performs flushing of buffer
c.       endl can’t be used with cout
d.      \n can’t be used with cout

4. Which of the following is output statement in C++?
a.       print
b.      write
c.       cout
d.      cin

5. Which of the following is input statement in C++?
a.       cin
b.      input
c.       get
d.      none of above

6. By default, the standard output device for C++ programs is
a.       Printer
b.      Monitor
c.       Modem
d.      Disk

7. By default, the standard input device for C++ program is

a.       Keyboard
b.      Mouse
c.       Scanner
d.      None of these

8. Which of the following statement is true regarding cin statement?

a.       cin statement must contain a variable preceded by >> operator
b.      cin does not process the input until user presses RETURN key
c.       you can use more than one datum input from user by using cin
d.      all of above

9. Which of the following is extraction operator in C++?

a.       ^
b.      v
c.       <<
d.      >>

10. When requesting multiple datum, user must separate each by using
a.       a space
b.      a tab character
c.       a new line character
d.      all of above

Answer:

1.       d. Both a and c
2.       c. <<
3.       b. Both are similar but endl additionally performs flushing of buffer
4.       c. Cout
5.       a. Cin
6.       b. Monitor
7.       a. Keyboard
8.       d. All of above
9.       d. >>
10.   d. all of above

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