CBSE Class 7 Computer Science Assignment Set A

Read and download free pdf of CBSE Class 7 Computer Science Assignment Set A. Get printable school Assignments for Class 7 Computer Science. Class 7 students should practise questions and answers given here for All topics Computer Science in Class 7 which will help them to strengthen their understanding of all important topics. Students should also download free pdf of Printable Worksheets for Class 7 Computer Science prepared as per the latest books and syllabus issued by NCERT, CBSE, KVS and do problems daily to score better marks in tests and examinations

Assignment for Class 7 Computer Science All topics

Class 7 Computer Science students should refer to the following printable assignment in Pdf for All topics in Class 7. This test paper with questions and answers for Class 7 Computer Science will be very useful for exams and help you to score good marks

All topics Class 7 Computer Science Assignment

CLASS - VII
SUBJECT- COMPUTER
TOPIC- COMPUTER VIRUS AND DETECTION

FILL IN THE BLANKS :

Question. A virus can corrupt ______  on a computer system.

Answer : files

Question. Worms are viruses that copy themselves and spread everywhere to affect the ______  of a computer system.

Answer : speed

Question. Computer virus does not damage the ______  and ______ .

Answer : keyboard,monitor 

Question. ______  is an antivirus software program.

Answer : AVG

Question. ______ is a software used to detect and delete viruses present on a computer system.

Answer : Antivirus

Question. A virus can attack a computer system by entering through an ______.

Answer : E-mail

Question. ______ is a program usually designed to irritate operators or harm a computer sytem.

Answer : Virus

Question. ______  is a type of computer virus.

Answer : Bomb 

Question. A computer virus program may ______ itself to the hard disk and system files.

Answer : copy

Question. ______  are viruses that may appear in form of infected videos, games etc.

Answer : Trojans

SHORT ANSWER QUESTIONS :

Question. What are the routes of virus attacks ?
Answer : Some of the routes from which a virus can attack a computer system are-
(i) E-mail
(ii) Infected pendrive and CD’s.
(iii) Download infected files.
(iv) Starting an infected application.

Question. Write a note on harms of a computer virus ,
Answer : Harms caused by computer viruses Most of the virus programs are applied to confuse and irritate the operators. But other viruses can prove to be very harmful to a computer system. They can modify or corrupt files, delete data, steal pass words etc.

Question. What is Computer Virus . Enlist all types of computer viruses .
Answer : A Computer virus is a destructive software program that is usually made to corrupt or delete data on a computer by erasing information available on the hard disk . It can spread from one computer to another by use of disks , networks , e -mail etc.
Types of Computer Virus 
(i) BOMBS
(ii) BOOT SECTOR VIRUSES
(iii) E-MAIL VIRUSES
(iv) TROJANS
(v) WORMS

Question. What are E-mail viruses ?
Answer : E-mail viruses enter the computer system when an infected e-mail or its attachments is opened.

Question. What are the protection measures seeked to prevent a virus from entering into a Computer System ?
Answer : These are some of the protection measures seeked to prevent a virus from entering into a computer system 
(i) Do not use an infected CD or pendrive.
(ii) Do not open or download files from malicious websites.
(iii) Use security passwords to limit outsider’s access to a computer system.
(iv) Get an antivirus program installed.

Question. What is an Antivirus ? Name some antivirus software programs.
Answer : Antivirus programs are used to detect and remove viruses . we can install any of these antivirus programs readily available in the market.
(i) NORTON
(ii) AVG
(iii) F-SECURE
(iv) KASPERSKY

Question. How does a boot secter virus affect the working of a computer ?
Answer : Boot secter viruses are very destructive as they damage the boot sector part of a hard disk or floppy disk where data is stored.

 

Please click the link below to download CBSE Class 7 Computer Science Assignment Set A

Computer Collection of Assignments for Class 7 Computer Science
CBSE Class 7 Computer Collection of Assignments

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CBSE Class 7 Computer Science All topics Assignment

We hope you liked the above assignment for All topics which has been designed as per the latest syllabus for Class 7 Computer Science released by CBSE. Students of Class 7 should download and practice the above Assignments for Class 7 Computer Science regularly. We have provided all types of questions like MCQs, short answer questions, objective questions and long answer questions in the Class 7 Computer Science practice sheet in Pdf. All questions have been designed for Computer Science by looking into the pattern of problems asked in previous year examinations. 

Assignment for Computer Science CBSE Class 7 All topics

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All topics Assignment Computer Science CBSE Class 7

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All topics Assignment CBSE Class 7 Computer Science

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CBSE Computer Science Class 7 All topics Assignment

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The All topics Class 7 Computer Science Assignments have been designed based on latest CBSE syllabus for Class 7 Computer Science issued for the current academic year

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All topics given in All topics Computer Science Class 7 Book for the current academic year have been covered in the given assignment

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