Computer Science - Online Test
Q1. The constant variable can be declared using
Answer : Option B
Explaination / Solution:
No Explaination.
Q2. How many bytes of memory allocates for the following variable declaration if you are using Dev C++? short int x;
Answer : Option A
Explaination / Solution:
No Explaination.
Q3. Which of the following is the exit control loop?
Answer : Option C
Explaination / Solution:
No Explaination.
Q4. By default, the string and with which character?
Answer : Option A
Explaination / Solution:
No Explaination.
Q5. Which of the following is the most important advantage of inheritance?
Answer : Option B
Explaination / Solution:
No Explaination.
Q6. Which of the following access specifier protects data from inadvertent modifications?
Answer : Option A
Explaination / Solution:
No Explaination.
Q7.
Based
on the following class declaration answer the question
class vehicle
{ int wheels;
public:
void input_data(float,float);
void output_data();
protected:
int passenger;
};
class heavy_vehicle : protected
vehicle {
int diesel_petrol;
protected:
int load;
protected:
int load;
public:
voidread_data(float,float)
voidwrite_data(); };
class bus: private heavy_vehicle {
charTicket[20];
public:
voidfetch_data(char);
voiddisplay_data(); };
};
The member function that can be accessed by an
objects of bus Class is
Answer : Option C
Explaination / Solution:
No Explaination.
Q8. The process of converting cipher text to plain text is called
Answer : Option B
Explaination / Solution:
No Explaination.
Q9. ………… Output device is used for printing building plan, flex board, etc.
Answer : Option B
Explaination / Solution:
No Explaination.
Q10. The NAND or NOR gates are referred to as "universal" gates because either:
Answer : Option B
Explaination / Solution:
No Explaination.
