Computer Science, asked by alokdivya4091, 6 months ago

Q4 Match with the correct answers. [2.5]

1. Trojan a. Malicious software

2. Malware b. System infected by boot infector

3. Virus, Trojan, Worms c. self-replicating program

4. System not starting d. Malware

5. A Virus e. All harmful to the computer

Q5 Fill in the blanks with the given hints. [14x0.5=7]

[ File Allocation Table, Malicious, Self-replicating, Norton, replicate, EXE, 2, 2, 10, 8, Plagiarism,

Hacking, Piracy, Soft lifting]

1. Base of the binary number is __________.

2. Base of the octal number is ________.

3. In decimal number system, 1+1 is equal to _______.

4. In binary number system, 1 + 1 is equal to _________.

5. A virus is a _________ program.

6. FAT stands for _____________.

7. Malware is a __________ software.

8. A Trojan cannot _______.

9. Virus increase the size of _______ file.

10. ________ and eTrust are antivirus programs.

11. _____ is illegal copying of software.

12. _____ is an act of copying the work of others and presenting as own work.

13. The act committed towards breaking into a computer and network is called ______.

14. ________ is purchasing a single copy of software and loading it onto several computers.

[Section B]

Q6 Answer the following.

1. What is number system? [2]

2. What is binary number system? [1]

3. What is the use of binary number system? [1]

4. What are the rules of obtaining a decimal number from a binary number? [2]

5. Convert the following: (87)10 = (?)2 [2]

6. Perfrom the following operations: (10101)2 – (1001)2 [1]

7. Write two symptoms which shows the computer is affected by virus. [2]

8. What does boot virus do? [1]

9. What is a malware? [1]

10. What is piracy? [1]

11. What is hacking? [1]

12. What is plagiarism? [1]​

Answers

Answered by PlakshaR0Y
0

Q5.

2

8

2

10

malicious

File Allocation Table

self-replicateing

replicate

exe

norton

plagiarism

hacking

piracy

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