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

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

2 / 56

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

3 / 56

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

4 / 56

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

5 / 56

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

6 / 56

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

7 / 56

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

8 / 56

Which would be an example of phishing Email by Hackers?

9 / 56

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

10 / 56

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

11 / 56

Patent is a way to protect ____________

12 / 56

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

13 / 56

The main purpose to convert plaintext to ciphertext is __________

14 / 56

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

15 / 56

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

16 / 56

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

17 / 56

Copywrite of software means that ______________

18 / 56

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

19 / 56

Making illegal copies of software is called ____________

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

21 / 56

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

22 / 56

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

23 / 56

Which of the following in not a cybercrime?

24 / 56

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

25 / 56

Using Cookies companies are able to gather ________________

26 / 56

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

27 / 56

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

28 / 56

Protecting data from malicious users is called ________________

29 / 56

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

30 / 56

Which of these is main aspect to secure our data?

31 / 56

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

32 / 56

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

33 / 56

One of them is not a data security issue ___________

34 / 56

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

35 / 56

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

36 / 56

___________ is the process of encoding data.

37 / 56

Which of the following is not characteristics of phishing website?

38 / 56

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

39 / 56

A good password should be ____________

40 / 56

Integrity means that you want to keep your data ____________

41 / 56

Which one is not a fraud & misuse of data?

42 / 56

Which is not a good characteristic of a good password?

43 / 56

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

44 / 56

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

45 / 56

Phishing Emails are showing as __________________

46 / 56

Which one is not a software piracy?

47 / 56

Illegally accessing someone’s else computer is called _____________

48 / 56

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

49 / 56

A computer virus is a computer program written _____________

50 / 56

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

51 / 56

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

52 / 56

This is the Importance of encrypting a data _________

53 / 56

A crime in which __________________ are used is called cybercrime.

54 / 56

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

55 / 56

Piracy means making _____________ of copywrite data.

56 / 56

Substitution cipher method are methods of encryption in which ______________

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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