What is the use of the friend function in C++?

For the following page reference string, which of the given options is the correct number of page faults in the optimal page replacement algorithm with f‌ive frames? Page referencestring:(1,2,3,4.2,1,5.6,2,1,2,3,7,6,3.2,1,2,3,6)

Which of the following options is used to embody business objects?

Which of the following is a 16-bit microprocessor?

Consider 3 Winchester magnetic disc with density 30 x106 bits per square inch of surface. The inner and outer diameters of the recording area are two and six inches, respectively. The radial track spacing density is 1.500 tracks/inches. If the rotational speed is 3.200 RPM. then what is the approximate value of the data transfer rate?

In a class of 100 students 39 students play basketball; 58 play volleyball; 32 play hockey; 10 play volley ball and hockey; 11 play hockey and basketball; and 13 play basketball and volleyball. Find the number of students who plays all the games?

A game console relies on a fast _____ to handle the lively animations in a video game.

A fixed-length field contains a predetermined number of ____.

A criterion may be negated by using the ____ logical operator.

A controls ____ event occurs when a change is made to the contents of a controls text property.

A computer ____ permits traffic to leave and enter a computer.