Answer:
(A)constructor called, destructor called, constructor called, destructor called.
Explanation:
In the class definition we have created a constructor which prints constructor called and a destructor which prints destructor called.Since the class contains default constructors and destructors but when we define constructor and destructor in the class defaults are removed from the class.In the code the loop is running 2 times creating a object so constructor is called when that iteration finishes it deletes that object so destructor is called and it is happening 2 times.
The correct answer is A. A1!
1. 3 times the light voltage, ie., 3*0.5 = 1.5V
2. Total R = 3*25 = 75Ω, V=1.5V, I = V/R = 1.5/75 = 20 mA
3. A 1.5V battery (e.g., an AA battery) with a charge of at least 20mAh. AA batteries should be able to handle this easily.
total = 0
numerator = 1
denominator = 1
while denominator != 20:
total += numerator/denominator
denominator+=1
print(total)
I wrote my code in python 3.8. I hope this helps.
Watchdog Program
This program becomes the number one security mechanism for file access.
Pros:
- A benefit of using watchdog program is that you have a centralized mechanism for controlling access to a file
- You are assured of having secure access to your file
Cons:
- It becomes a bottleneck.
- If this program has a security hole, there are no other guaranteed backup mechanisms for file protection.
COPS
COPS is a collection of a dozen programs that attempt to tackle problems in UNIX security. It checks for a number things like poor passwords, device permissions, files run in /etc/rc*, existence of root SUID, and many other things.
Pros:
- This program provides methods of checking for common procedural errors.
- COPS collect outputs and either mails the information to the admin or logs it in.
Cons:
- It could be modified by an intruder or even take advantage of its features.
- It is meant to tighten the security, not a tool to be used to find security flaws. It does not directly correct errors found.
