class 9 computer chapter 4 important questions | short + long Question answer
class 9 computer chapter 4 important question | short + long Question answer
class 9 computer chapter 4 important questions
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data and privacy 9th class
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class 9 computer chapter 4 important questions 2025
define data privacy?
explain data privacy?
write two issues related to security?
why we use Encoding? also writes any three security issues?
what is piracy? give example?
define softlifting?
define client-server overuse?
define hard disk loading?
define counter feiting?
what is online piracy?
what is meant by copyright. explain fraud and misuse?
what is patent and why do we need to register it?
write the purpose of copyright law?
what is copyright law?
what is meant by trade secrets?
what is meant by sabotage?
define sabotage?
give some examples about safeguarding privacy of others?
important of data privacy
differentiate between integrity and confidentiality?
what do you mean integrity and availability?
what is the use of cookies?
explain ciphertext?
what is meant by encryption?
describe the purpose of encryption?
what is the role of a key in encryption?
what is meant by cipher text?
write a note on importance of encryption for everyday life on the internet?
what is meant by encryption? also explain the importance of encryption for everyday life on the internet?
write the importance of encryption?
describe the purpose of encryption?
explain substitution cipher methods?
Caesar cipher
vigenere cipher
what is vigenere cipher table?
interim ciphertext
relationship between cryptographic keys and passwords and what are the characteristics of a good password?
weaknesses/drawbacks/disadvantages and security flaws of substitution cipher
what is the use of password? also writes three characteristics of good password?
define password?
define key/ cryptographic key?
write down the characteristics of good password?
write an example of good password?
what is purpose of password?
explain the types of cybercrime?
what is cybercrime? explain its types?
what does the scammers websites play role in cybercrime?
differentiate between hacker and hacking?
define hacking
what is phishing attack? write three characteristics of phishing email
what is phishing? describe characteristics of phishing attack
what is meant by phishing attack
describe two characteristics of a phishing website
what is DoS attack
what is meant by DoS
define dos attack
define Denial of service
who are DoS attckers
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