Class 8th Computer December

HIRA SCHOOL KOT SARANG
CLASS 8TH DECEMBER TEST 2023

NAME. ________________. Time: 1 hour
COMPUTER SCIENCE (OBJECTIVE TYPE)
Q. 1 :1. Crimes that are committed through the internet are called_______?
(A): Fiber crimes (B): Cyber crimes (C): None (D): Internet crimes
2. The internet is also called the network of.
(A): Mobiles (B): Tablets (C): Computers (D): Networks
3. Studying from home through the internet is called.
(A): C-learning (B): E-learning (C): None (D): I-learning
4. Which of the following is not the component of the communication system.
(A): Sender (B): Receiver (C): E-mail (D): Message
5. A digital footprint is also known as_____.
(A): Digital Diary (B): Digital dossier (C): Database (D): None of these
6. A _____ is a computer program written with negative intentions.
(A): Spam (B): Virus (C): Error (D): Hacker
7. A person who steals our information and can alter the data to commit fraud is.
(A): User (B): Hacking (C): None (D): Hacker
8. ________ block is used for moving sprites around the stage.
(A): Control (B): Motion (C): Stage (D): Loop
9. A _____ in the context of Scratch, is some block that performs some task.
A): Loop (B): Variables (C): Function (D): Statement
10. ________ is the placement of one object within another object.
(A): Flowchart (B): Halting (C): None of these (D): Nesting
11. IP stands for
(A): Internet Provider (B): Internet Protocol (C): Internet picture (D): None
12. __ is a process of taking data from one device and sending it to another
device:
(A): Sender (B): Router (C): Routing (D): Receiver
13. Which of the following is not a disadvantage of social media.
(A): Banking Fraud (B): Cyber bullying (C): Entertainment (D): Hacking
14. The advantages of internet are
(A): Web services (B): Promoting business (C): both a & b (D): Waste of time
15. Which of the following are not transaction fraud.
(A): Identity Theft (B): Banking Fraud (C): Cyber troll (D): Job Fraud
16. Spamming refers to
(A): Non (B): Sending an email from an unidentified source (C): Sending
bulk of information
17. At its simplest, ______ is a system of moral principles.
(A): Digital Environment (B): A Ethics (C): Hacking
18. Which of the following is not a social media platform.
(A): Whatsapp (B): Facebook (C): Books (D): Instagram
19. The technique used by cybercriminals to attain information from
individuals is called.
(A): Cyber troll (B): All of these (C): Social engineering (D): Cyber crime
20. Bluetooth is another important____ range wireless communication
system.
(A): Mid (B): Side (C): Low (D): High
21. A ______ is used to transfer data from one point to another.
(A): Communication system (B): Data communication
(C): Sender (D): Receiver
22. Which of the following is not a network topology.
(A): Bus topology (B): Mesh topology
(C): Database topology (D): Ring topology
23. Which of the following is not a type of block.
(A): Motion block (B):Sound block (C):My block (D): Program block
24. A loop and a _____ are combined in the “repeat until” block.
(A): Formula (B): Sprite (C): Variable (D): Condition
25. Focusing only on important details and ignoring irrelevant information is:
(A): Algorithm (B): Decomposition (C): Abstraction (D): All of them
26. In the _______ network, computers are not physically connected.
(A): LAN (B): MAN (C): VPN (D): WAN
27. It is about the physical medium is used in communication like cabling
(A): Physical layer (B): Network layer (C): Transport layer (D): Network layer
28. Li-Fi stands for
(A): Light Face (B): Long Fidelity (C): Light Fidelity (D): none
29. Sometimes we want to repeat an action again and again, which is called____ .
(A): solution (B): iteration (C): copying (D): deletion
30. LAN stands for:
(A): Local Area Network (B): Local Area Name (C): None
31. A loop and a _____ are combined in the “Repeat until" block.
(A): Condition (B): Variable (C): Sprite (D): Formula
32. The blocks serve as _____ that can be joined together.
(A): Stories (B): Reminders (C): Commands (D): Scores
SUBJECTIVE TYPE
Time: 1 hour 45 minutes
(SECTION - I)
Q. 2: Write short answers to any EIGHT of the following questions: 16
(i) Define social media? (ii) Define data privacy/ information privacy?
(iii) What is meant by copyright law?
(iv) Define piracy? (v) Define the term Sabotage?
(vi) Write down the advantages of twisted pair cable?
(vii) What is encryption? (viii) Define compiler?
(ix) Difference between sender and receiver? (x) Define hacking?
Q. 3: Write short answers to any EIGHT of the following questions: 16
(i) Define router? (ii) Define cybercrime?
(iii) Define data communication? (iv) Define network topology
(v) Define phishing? (vi) How many types of software piracy?
(vii) What are the types of variables? (viii) Define loop?
(ix) Define computer network?
(x) Write down the name of data security issues?
(SECTION - II)
Write answers to any FOUR of the following . 5*4= 20
Q. 4: Write a note on bus topology?
Q. 5: Define TCP/IP? Explain the Transport layer ? 5
Q. 6: Define application layer, network layer and data link layer? 5
Q. 7: Write a detailed note on ring topology? 5
Q. 8: Write a note on any five categories of blocks? 5

Class 8th Computer December

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HIRA SCHOOL KOT SARANG

CLASS 8TH DECEMBER TEST 2023

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