9th Class Computer Notes Chapter-04

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DATA AND PRIVACY:

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9th Class Computer Notes Chapter-04:

MCQs from Text Book Exercise and others included in this Practice panel. By practicing again and again, Student can get good practice on this topic “Data and Privacy” i.e. 9th Class Computer Science MCQs Chapter-04.

 

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Computer Ch#04, 09th Class

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1 / 56

The main purpose to convert plaintext to ciphertext is __________

2 / 56

________ is a general term for any type of information processing that can be represented mathematically.

3 / 56

________ was a roman politician and military general, who used the method of encryption for sending message to his solders.

4 / 56

A computer virus is a computer program written _____________

5 / 56

This is the Importance of encrypting a data _________

6 / 56

A computer expert who can steal data when it moves from one location to other is called _________

7 / 56

Encoding means conversion of the data to an unreadable format which is called _________

8 / 56

When a key has less numbers of character then the text to encrypt, repeating letters of the key is called ___________

9 / 56

Which is not a good characteristic of a good password?

10 / 56

If the key has less number of letters then, ________________ in Vigenere Cipher Method.

11 / 56

Phishing Emails are showing as __________________

12 / 56

A good password should be ____________

13 / 56

Which one is not a software piracy?

14 / 56

Making illegal copies of software is called ____________

15 / 56

Protecting data from malicious users is called ________________

16 / 56

Which of the following is not characteristics of phishing website?

17 / 56

___________ is uses a Table for substituting the letters of plaintext.

18 / 56

Illegally accessing someone’s else computer is called _____________

19 / 56

_________ is a cyber-attack to make machine or network resource unavailable for a user.

20 / 56

______________ are ubiquitous and are widely used by people of almost all ages to store and share data.

21 / 56

Which of the following is the plan text of this Cipher Text “UFPNXYFS”

22 / 56

Substitution cipher method are methods of encryption in which ______________

23 / 56

Keeping _________ of data has become difficult in this era of computer & internet.

24 / 56

Which of the following is not a characteristic of good password?

25 / 56

Which of the following in not a cybercrime?

26 / 56

Using Cookies companies are able to gather ________________

27 / 56

_____________ is a general term for any type of information processing that can be represented mathematically.

28 / 56

Integrity means that you want to keep your data ____________

29 / 56

One of them is not a data security issue ___________

30 / 56

Identify the wrong plaintext of encrypted text by Caesar Cipher Method Four Character substitution to the right.

31 / 56

If a company sells emails IDs and phone numbers to another company for marketing purpose, it is ______________

32 / 56

Patent is a way to protect ____________

33 / 56

A crime in which __________________ are used is called cybercrime.

34 / 56

__________ method is replacing alphabets in some fixed number of steps to the left /right of original alphabet in sequence of alphabet.

35 / 56

Which one is not a fraud & misuse of data?

36 / 56

Which of the following is not the characteristics of phishing emails?

37 / 56

Companies want to read minds of web surfers and some times they store some piece of information with web surfers PC, called___________

38 / 56

__________is the process of encoding data in such a way that only authorized person can read it.

39 / 56

_____________ is a program which can change / destroy an information or sabotage a precious data.

40 / 56

Passwords are used for authentication to enter a system, whereas ____________ are used to read an encrypted message.

41 / 56

Piracy means making _____________ of copywrite data.

42 / 56

_______________ are secrets that are playing an important role for the success of a company.

43 / 56

___________ is the process of encoding data.

44 / 56

DoS attackers target the web servers of banking / trade organization to ____________

45 / 56

_________________ says that idea or product of someone cannot be copied.

46 / 56

Companies interested to collect information about his consumer to know about _________

47 / 56

The foundation of all ____________________ of data is formed on ethical principle.

48 / 56

If we have data of others, it is our ethical responsibility to keep it ________________

49 / 56

Which of the following doesn’t includes the types of software piracy?

50 / 56

Which of these is main aspect to secure our data?

51 / 56

Anyone, who doesn’t want to share his information with unintending person the main reason is __________

52 / 56

Secrete code is required to read / convert ciphertext to plain text is called_______

53 / 56

Copywrite of software means that ______________

54 / 56

_________ is a cyber-attack to make a machine/ Network resource unavailable by sending any requests in small amount of time

55 / 56

Which would be an example of phishing Email by Hackers?

56 / 56

Availability of your data means that data will be available when ____________

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MCQs Chap # 04 Computer Science 9th  (Open/ Download)

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Short Questions Chap # 04 Computer Science 9th  (Open/ Download)

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Long Questions Chap # 04 Computer Science 9th  (Open/ Download)

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Class 9 Computer Science Chapter-Wise MCQs