Answer:
There are two types of cell references: relative and absolute. Relative and absolute references behave differently when copied and filled to other cells. Relative references change when a formula is copied to another cell. Absolute references, on the other hand, remain constant, no matter where they are copied.
Answer: d)Phishing
Explanation: Phishing is the activity that is used by the attackers or unauthorized parties to steal confidential information of individuals through emails, messages or calls.This activity is considered as cyber-crime as the unauthorized source present themselves as the legal and actual party to gain private information such as credit card details, personal details , etc.
The example mentioned in the question about eBay's security issue is also related with phishing where the fraud mails are sent to the users to gain or steal their personal information.
Other options are incorrect because insider is a threat that happens in the organization or business field regarding the organizational data,dumpster diving is reviving data to execute an attack on operating system and social engineering is gaining personal information from an individual through manipulation .Thus, the correct option is option(d).
Phishing is a cybercrime in which a target or targets are contacted by email, telephone or text message by someone posing as a legitimate institution to lure individuals into providing sensitive data such as personally identifiable information, banking and credit card details, and passwords.
Answer:
b. Play music
Explanation:
Digital technology helps improve an existing process and makes things better. In this scenario of an MP3 player, digital technology takes care of music. Before a portable MP3 player came into the picture, people had to carry large physical records or multiple CD packs but now, a small device can hold thousands of those same songs in it.
Answer:
To complete the computer setup, to hear audio, to share audio.
Explanation:
A computer is not <u>really</u> complete without speakers.
So that you can actually hear the computer's audio.
So that you can have multiple people hear the same audio. (Headphones do not do this)
Answer:
def is a keyword used to define a function, placed before a function name provided by the user to create a user-defined function
__init__ is one of the reserved methods in Python. In object oriented programming, it is known as a constructor. Python will call the __init__() method automatically when you create a new object of a class, you can use the __init__() method to initialize the object’s attributes.
Example code:
class Person:
def __init__(self, name, age):
self.name = name
self.age = age
p1 = Person("John", 36)
print(p1.name)
print(p1.age)
Summary
- Use the __init__() method to initialize the instance attributes of an object.
- The __init__() doesn’t create an object but is automatically called after the object is created.
