class 8th computer question answer Annual

class 8th computer question answer Annual

                                                                       Section-A                                                      

Multiple Choice Questions: `                                               (1×20=20)

Q1. ____________ specifies the source or URL of the image.

  1. SRC                                                
  2.  Source
  3. Destination
  4. None of these

Q2. The ___________ specifies the thickness of the border surrounding the image.

  1. OUTLINE
  2. BORDER
  3. SURROUNDING                                     
  4. None of these

Q3. ________ conversion guided by automatic speech recognition.

  1. Automatic speech
  2. Speech recognition
  3. Autonomous planning
  4. None of these

Q4. _______ is a subset of AI.

  1. Deep learning
  2. Machine learning
  3. Both (a) & (b) 
  4. None of these

Q5. ______ statement terminates the loop within which its lies.

  1. Break
  2. Continue
  3. If 
  4. None of these

Q6._______ refers to the process of stealing credit card numbers online.

  1. Carding
  2.  Cloning
  3. Phreaking                         
  4. None of these        

Q7. _____________ stands for MODULATOR and DEMODULATOR.

  1. MODERN
  2. MODEM
  3. MODUM
  4. None of these

Q8._______ tools are used to remove or add some features to the image.

  1. Retouching
  2. Sharpen
  3. Correction                       
  4. None of these

Q9. To create a hyperlink to an email __________ has to precede before the email address of the recipient.

  1.  molto                                              
  2. mailto
  3. maito                                               
  4. None of these

Q10. __________ tag was added by Microsoft and is not supported by all the web browsers.

  1. <MARQUE>
  2. <MARQUEE>
  3. <MARQUIE>
  4. None of these

Q11. We have to press ___________ key to define the source point of the healing tool.

  1. Alt                                    
  2. Ctrl
  3. Shift
  4. None of these

Q12. ________ tool is a hidden tool under Clone Stamp Tool.

  1. Spot healing
  2. Pattern Stamp
  3. Blur             
  4. None of these

Q13.    _______ attribute of  <frame> tag is used to divide the window into vertical sections.

  1. Rows
  2. Cols
  3. SRC             
  4. None of these

Q14. NVP Stands for ____________.

  1. Network Voice Protocol
  2. Network Vice Program
  3. Network Vice Locator                               
  4. None of these

Q15.    FTP stands for _____ .        

  1. File Transfer Protocol
  2. File Transfer Post
  3. File Transit Protocol
  4. None of these

Q16.     _____ function is used to take input from the user.

  1. print()           
  2. input()
  3. inputs()
  4. None of these

Q17. _____ function without any value or expression prints a blank line.

  1. print() 
  2. prints()
  3. input()
  4. None of these

Q18.    _______ is called the ‘father of computer science’.

  1. Alan Turing
  2. John McCarthy
  3. Karel Capek
  4. None of these

Q19. ________ coined the term “Artificial Intelligence” .

  1. a) Alan Turing                        
  2. John McCarthy
  3. Thomas Knoll
  4. None of these

Q20.  The term robot was coined by novelist and playwright __________ in the year 1920.

  1. Thomas Knoll
  2. Karel Capek
  3. Charles Babbage                                   
  4. None of these

Application Based Question:                                              1×10=10

Q21. Read the paragraph and answer the following question:

You use telephones and mobile to talk to your friends and relatives. With the advancement in technology, you can now see the person with whom you are talking. This technique of watching the person while talking to him is called video conferencing. In video conferencing, there can be more than two person at different place simultaneously talking to each other by both audio as well as video.

For video conferencing, you should be connected to internet. In addition to the Internet, you need to have a webcam and a microphone connected to your computer/laptop.

Some popular software for video conferencing are: iCall, TrueConf, Meeting.io, etc

Choose the correct option:

  1. ______ is a mode of online communication used to talk with our friends and relatives.
    1. Smartphone
    2. Speed post
    3. Letter
    4. None of these
  2. In video conferencing, we use ________________.
    1. Microphone
    2. Speaker
    3. Webcam                                    
    4. All of these
  3. The process of watching a group of people while we talking is known as ________.
    1. a) video conferencing
    2. video calling
    3. both (a) and (b)
    4. None of these
  4. For video conferencing we should be connected to ___________
    1. Internet                                     
    2. laptop
    3. Web-Cam                                            
    4. All of these
  5. Select the odd one from the following.
    1. Samsung                                    
    2. Meeting.io
    3. True Conf
    4. iCall

Q22. Read the paragraph and answer the following question:

A blog (a truncation of “weblog”)is a discussion or informational website published on the World Wide Web consisting of discrete, often informal diary-style text entries (posts). Posts are typically displayed in reverse chronological order, so that the most recent post appears first, at the top of the web page. Until 2009, blogs were usually the work of a single individual,[citation needed] occasionally of a small group, and often covered a single subject or topic. In the 2010s, “multi-author blogs”  emerged, featuring the writing of multiple authors and sometimes professionally edited. MABs from newspapers, other media outlets, universities, think tanks, advocacy groups, and similar institutions account for an increasing quantity of blog traffic. A Person who creates Blog is known as a “Blogger”.

The rise of Twitter and other “microblogging” systems helps integrate MABs and single-author blogs into the news media. A blog can also be used as a verb, meaning to maintain or add content to a blog.

Choose the correct option:

  1. ______________ is a discussion of an informational website published on WWW.
    1. Email                                   
    2. Blog
    3. Chat                                               
    4. None of these
  2. Posts in a blog are typically displayed on _________________ order.
    1. Reverse Chronological       
    2. Serial
    3. Chronological                                   
    4. None of these
  3. MAB Stands for ______________.
    1. Multi-Author Blog           
    2. Multi Anchor Blog
    3. Multi Architect Blog           
    4. None of these
  4. Twitter is an example of ___________________
    1. Blogging            
    2. Microblogging
    3. Blogger                                               
    4. None of these
  5. A Person who creates a blog is known as ______.
    1. Blogging
    2. Blogger
    3. Blog                                               
    4. None of these

C Very Short Answer Type Questions:                                                                                  1×5=5

Q23. What is the Weak AI hypothesis?

Ans. The AI that focuses only on one narrow task is known as the Weak AI hypothesis.

Q24. Define the term ‘Artificial Intelligence’.

Ans. Artificial intelligence (AI) is the ability of a computer or a robot controlled by a computer to do tasks that are usually done by humans because they require human intelligence and discernment.

Q25. What is the use of a jump statement in Python?

Ans. Jump statements can be used to modify the behavior of conditional and iterative statements and exit from the loop.

Q26. What is the use of the scrollamount attribute in <markquee> tag?

Ans. This attribute is used to indicate the speed of a moving object.

Q27. What is the use of Smudge Tool?

Ans. The Smudge tool is a Photoshop feature that allows you to mix or blend the content in an area of your image

Short Answer Type Questions:                                    2×5=10

Q28. What are the Main Networking components?

Ans. Given Below
  1. Sender             
  2. Receiver               
  3. Transmission Medium             
  4. Message
  5. Protocol

Q29. How are layers useful in Photoshop?

Ans. It is a transparent sheet containing objects it is helpful when we edit an object it never affects another object.

Q30. Explain  <IMG> and its two attributes.

Ans. <IMG> is used to insert the image in the webpage.

Attributes:  SRC, WIDTH, HEIGHT, ALIGN, BOARDER

Q31. What can Artificial Intelligence do today?

Ans.     a) Robotics Vehicles   b) Speech recognition             c) Game playing           

  1. d) Autonomous planning and scheduling etc.

Q32. Write a short note on Android.

Ans. An Android is a robot design organism which is designed to look and act like a human.

Long Answer Type Questions:                                     3×5=15

Q33. Describe any 3 attributes of the <FRAME> tag.

Ans.a) SRC 

 b)NORESIZE 

c) FRAMEBORDER

d) COLS e)ROWS

 Q34. What is Network Architecture? Explain various types of Network Architecture.

Ans. Network Architecture defines the overall design of the Computer Network.

a) Peer to Peer-to-Peer network         b) Client Server Network

Q35. What is a Robot? Explain the various uses of robotics.

Ans. A Robot is a machine that can execute programmed instructions and reduce labor or manpower requirements.

Use of Robotics:

  1. Industrial Robots: It used in manufacturing industries and automotive industries.
  2. Service Robots: It is used in domestic work such as cleaning the carpet, cut grass, etc.

Q36. Write a program to input a number and check whether the number is positive or negative.

                        a=int(input(“Enter any Number”))

                        if a >0:

                        print(“Postive Number”)

                        else:

                        print(“Negative Number”)

Q37. Write a program to find the sum of the first 10 natural numbers using for loop.

     Ex: 1+2+3+4+5+6+7+8+9+10=55 

                        j=0

for i  in range (1,11):

                                    j=j+i

                        print(j)

 

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