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4th Unit

9th class Computer Chapter 4 (English Medium)

Here you can prepare 9th Computer Science chapter 4 online MCQ test with answers (Unit 4 Data Communication). Click the button for 100% free full practice test.

Matric Part 1/9th Class Computer Science Chapter 4 MCQ Test With Answer for Unit 4 Data Communication

Matric Part 1/9th Class Computer Science Chapter 4 MCQ Test With Answer for Unit 4 Data Communication

Sr. # Questions Answers Choice
1 Which is used to read the ciphertext ?
  • A. Key
  • B. Board
  • C. Mouse
  • D. Trackball
2 Illegally accessing someone else's computer is called:
  • A. Hacking
  • B. Sabotaged
  • C. Passwords
  • D. Decryption
3 Promises made by a software developer is known as warranty or:
  • A. Confidentiality
  • B. Service
  • C. Liability
  • D. Loading
4 A computer expert who can steal data when it moves from on location to other, is called:
  • A. Hacker
  • B. Sabotaged
  • C. Passwords
  • D. Decryption
5 In which method, we replace each alphabet in the plaintext by another alphabet:
  • A. Integrity
  • B. Cyber
  • C. Ceaser Cipher
  • D. Privacy
6 Which is installing more copies of the software than you have license for ?
  • A. Internet cyber text
  • B. Cyber
  • C. Client server oversue
  • D. Online piracy
7 Which means that we want to keep the data correct ?
  • A. Integrity
  • B. Cyber
  • C. Client server overuse
  • D. Online piracy
8 In Roman Empire _______ method is used this method of encryption for sending messages to his soldiers and generals:
  • A. Service
  • B. Online banking
  • C. Client
  • D. Ceaser
9 Which attackers often target web server of high-profile organizations such as banking, commerce, and media companies, or government and trade organizations ?
  • A. Service
  • B. DoS
  • C. Client
  • D. Substitution Cipher
10 Encoding means conversion of the data to an unreadable format which is called:
  • A. Ciphertext
  • B. Online banking
  • C. Client
  • D. Encryption

Top Scorers of 9th Class Computer Chapter 4 Data Communication English Medium KPK Boards Online Mcqs

A

Airah Faraz

Lahore30 - Apr - 2024

11/15
03 Mins 28 Sec

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