Computer Notes ( Class Eight)

1. Mention any two features of a computer.
   Ans: Two features of a computer are speed and accuracy.

2. What is the name of the first electro-mechanical computer?

   Ans: The name of the first electro-mechanical computer is Mark I.

3. Which network is known as the network of networks?
   Ans: The network known as the network of networks is the Internet.

4. What does the home page mean in a web page?
   Ans: The home page in a web page means the main page of a website.

5. What is the extension name of Microsoft PowerPoint?
   Ans: The extension name of Microsoft PowerPoint is .pptx.

6. How many numbers are there in the decimal number system?
   Ans: The total numbers in the decimal number system are 10 (0 to 9).

7. What is meant by cybercrime?
   Ans: Cybercrime means illegal activities using computers or the internet.

8. How many types of multimedia are there?
   Ans: There are five types of multimedia: text, audio, video, graphics, and animation.

9. Write the working principle of a computer.
   Ans: The working principle of a computer is Input → Process → Output.

10. Write the full form of BIT.
    Ans: The full form of BIT is Binary Digit.

11. Write the extension name of PowerPoint 2007.
    Ans: The extension name of PowerPoint 2007 is .pptx.

12. Who is known as the father of the stored program?
    Ans: The father of the stored program is John von Neumann.

13. Write any two names of ISP companies in Nepal.
    Ans: Two ISP companies in Nepal are WorldLink and Subisu.

14. Write down any two page layout software.
    Ans: Two page layout software are Adobe InDesign and MS Publisher.

15. Write full form of:
    (i) CBT: Computer-Based Training.
    (ii) URL: Uniform Resource Locator.

16. State true or false:
    (i) ROM is non-volatile memory: True.
    (ii) ICT is not used in education: False.

17. Write any two examples of animation software.
    Ans: Two examples of animation software are Adobe Animate and Blender.

18. What is a computer?
    Ans: A computer is an electronic device that processes data and gives output.

19. Which technology is used in the first generation of computers?
    Ans: The technology used in the first generation of computers is vacuum tubes.

20. Write the extension name of an MS Word file.
    Ans: The extension name of an MS Word file is .docx.

21. Who is the first programmer of a computer?
    Ans: The first programmer of a computer is Ada Lovelace.

22. Write any three names of devices used in ICT.
    Ans: Three devices used in ICT are computers, smartphones, and projectors.

23. Write any two uses of computer graphics.
    Ans: Two uses of computer graphics are designing logos and creating animations.

24. Write any two output devices.
    Ans: Two output devices are monitor and printer.

25. Who developed Pascaline?
    Ans: Pascaline was developed by Blaise Pascal.

26. List out any two symptoms of a computer virus.
    Ans: Two symptoms of a computer virus are slow performance and frequent crashes.

27. What is the language that a computer understands directly?
    Ans: The language a computer understands directly is machine language.

28. What is the extension of an Excel file?
    Ans: The extension of an Excel file is .xlsx.

29. What is the function of Ctrl + E in Microsoft Word?
    Ans: The function of Ctrl + E in Microsoft Word is to align text to the center.

30. Write down any two photo editing software.
    Ans: Two photo editing software are Adobe Photoshop and GIMP.

31. Write any two names of antivirus software.
    Ans: Two antivirus software are Norton and Avast.

32. What is the name of the first page of a website?
    Ans: The name of the first page of a website is Home Page.

33. From which Latin word is the word "computer" derived?
    Ans: The word "computer" is derived from the Latin word "computare".

34. What are the devices designed by Charles Babbage?
    Ans: The devices designed by Charles Babbage are the Difference Engine and Analytical Engine.

1. Mention any two features of a computer.
2. What is the name of the first electro-mechanical computer?
3. Which network is known as the network of networks?
4. What does the home page mean in a web page?
5. What is the extension name of Microsoft PowerPoint?
6. How many numbers are there in the decimal number system?
7. What is meant by cybercrime?
8. How many types of multimedia are there?
9. Write the working principle of a computer.
10. Write the full form of BIT.
11. Write the extension name of PowerPoint 2007.
12. Who is known as the father of the stored program?
13. Write any two names of ISP companies in Nepal.
14. Write down any two page layout software.
15. Write full form of:
    (i) CBT
    (ii) URL
16. State true or false:
    (i) ROM is non-volatile memory.
    (ii) ICT is not used in education.
17. Write any two examples of animation software.
18. What is a computer?
19. Which technology is used in the first generation of computers?
20. Write the extension name of an MS Word file.
21. Who is the first programmer of a computer?
22. Write any three names of devices used in ICT.
23. Write any two uses of computer graphics.
24. Write any two output devices.
25. Who developed Pascaline?
26. List out any two symptoms of a computer virus.
27. What is the language that a computer understands directly?
28. What is the extension of an Excel file?
29. What is the function of Ctrl + E in Microsoft Word?
30. Write down any two photo editing software.
31. Write any two names of antivirus software.
32. What is the name of the first page of a website?
33. From which Latin word is the word "computer" derived?
34. What are the devices designed by Charles Babbage?
35. What is a web browser?
36. What are two disadvantages of multimedia?
37. When was the Electronic Transaction and Digital Signature Act enacted in Nepal?
38. Write the types of page orientation.
39. Name any two antivirus software.
40. Draw the symbol to represent input/output in a flowchart.
41. What is meant by a programming language?
42. What are the names given to the computers in a computer network?
43. Give any two examples of computer crimes.
44. What is meant by computer hardware?
45. How does the computer system perform its tasks?
46. Write any two hard output devices.
47. How many digits are used in the hexadecimal number system?
48. Give any two examples of empty tags.
49. What do you understand by canvas in Adobe Photoshop?
50. Write any two examples of social networks.
51. Write the types of cell references.
52. What is ICT?
53. What does the <U> tag in an HTML document do?
54. What is cyber law?
55. What is a website?
56. What is an algorithm?
57. Who is known as the father of computer science?
58. List any two application software.
59. Write any two popular antivirus software.
60. When did Charles Babbage design the Difference Engine?
61. Give two examples of hard copy output devices.
62. When was the cyber law of Nepal started?
63. In which generation of computers was IC used?
64. Write the function of <br> and <b> HTML tags.
65. What is a desktop?
66. Define a computer virus.
67. What is the extension of an MS Excel file?
68. Write any two drawbacks of the first generation of computers.
69. Define an Analog computer.
70. What is an operating system?
71. Write the types of booting.
72. What do you mean by the binary number system?
73. What is CPU?
74. Which computer was first used for commercial purposes?
75. Which computer is used for petrol refining?
76. In which generation was the microprocessor developed?
77. How many types of application software are there?
78. Are 'Save' and 'Save As' the same in MS Word?
79. How many types of system software are there?
80. What is a web page?
81. What is a browser?

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82. Name the components used in the first generation of computers.
83. For what purpose can an algorithm be used?
84. How many types of computer generations are there?
85. What is a cell in a spreadsheet package?
86. Which software is known as a presentation package?
87. Who destroys all the programs, data, and files of a computer?
88. How many steps are required in DPS?
89. Name the type of OS based on the user.
90. Name the type of number system.
91. In which generation does our digital computer lie?
92. Write any two names of graphics package software.
93. Name the extension of MS Word.
94. List any two names of multimedia software.
95. What are the demerits of a computer?
96. How many ways can a computer be classified based on operation?
97. What is hardware?
98. Which device is known as the first electronic device?
99. Which markup language is used for creating a webpage?
100. Which wildcard symbol indicates a single character?
101. How many files do you need to apply mail merge?
102. Write the name of any one software.
103. What is a nibble? How many KB equals 1MB?
104. What is the function of Ctrl + C and Ctrl + V in Microsoft Word?
105. Give any two examples of social media.
106. Write any two crimes included in computer crime.
107. What are the elements used in multimedia?
108. Draw any two symbols used in making a flowchart.
109. What was the first computer brought to Nepal?
110. What is the main device of the third generation of computers?
111. Write the name of any two graphics software.
112. What is HTML?
113. Write the name of any two types of viruses.
114. Which technology is used in the fourth generation of computers?
115. What is an output device?
116. Write the technical term for a worldwide network of networks.
117. What does CUI stand for?
118. What does LCD stand for?
119. How many supercomputers are there in Nepal?
120. Who is known as the father of the computer?
121. Write the type of page orientation in Microsoft Word.
122. Write the name of any two graphics software.
123. Which digits are used in binary numbers?
124. Why can't a computer run without an OS?
125. How many types of electro-mechanical devices are there?
126. Give any two examples of multi-user operating systems.
127. What is a database?
128. What is an antivirus program?
129. What is the set of programs that makes a computer work?
130. What is the device that displays output in printed form?