CBSE Class 3 Computers NCO Olympiad MCQs with Answers Set B

1. Which of the following statements is/are incorrect?
(a) The output that is printed on the paper is called hardcopy.
(b) The computer understands instructions in the form of mechanical signals.
(c) Storing the data on the computer is called storage or memory.
(d) The results displayed on the monitor screen are called softcopy.
Answer : (b) The computer understands instructions in the form of mechanical signals.

2. Complete the given word and select the statement which is correct about it.
                            P_I_T_R
(a) It gives the hardcopy of the computer screen.
(b) It gives the softcopy of the computer screen.
(c) Worked when it connected to the computer.
(d) Both (a) & (c)
Answer : (d) Both (a) & (c)

3. Computer helps scientists in……
(a) Launching rockets
(b) Scientific research
(c) Launching Aircraft
(d) All of these.
Answer : (d) All of these.

4. Which of the following can be used in a micro computer?

Answer : (c)

5. Which of the following printers is more suitable where continuous paper stationery is used?
(a) Laser printer
(b) Inkjet printer
(c) Dot matrix printer
(d) Daisy wheel printer
Answer : (c) Dot matrix printer. Dot matrix printing is a type of computer printing which uses a print head that moves backand- forth, or in an up-anddown motion, on the page and prints by impact, striking an ink-soaked cloth ribbon against the paper, much like the print mechanism on a typewriter, so continuous stationery paper is used in this type of printer.

6. Identify the given device It reads pictures, words or numbers from a page directly and can change them into a form that a computer can understand.

Answer : (d) Option (D) is a scanner, it is  used for capturing data from a page directly and it converts them into digital form to store them in the computer.

7. Which of the following device is connected to the computer through the data cable?

Answer : (a)

8. Select the incorrect statement.
(a) Webcam is a small video camera that is primarily used for recording videos and to take picture.
(b) Optical mark reader is a special type of scanner used for scan OMR evaluated sheets.
(c) Plotter is a larger format printer used to print the big size of maps, blueprint of building maps, banners, etc.
(d) Joystick and light pen are the output devices.
Answer : (d) Joystick and light pen are the output devices.

9. Which opration would change the image-I to image -II?

(a) Flip vertical
(b) Skew
(c) Rotate 180 degree.
(d) Flip horizontal
Answer : (a) Flip vertical

10. Which of the following is not a part of shape tools in MS-Paint?

Answer : (d)

11. What is the function of given image in MS-PAINT?

(a) Image set as desktop background.
(b) It shows a larger version of an image.
(c) It shows the frame on the image.
(d) None of these.
Answer : (a) Set as desktop background option is used to change the windows desktop background picture.
Option 1: Go to File tab, select Set as desktop background
Option 2: Select File tab and press the key “b”

12. Select the correct match.

(a) 1-ii, 2-i, 3-iv, 4-iii
(b) 1-ii, 2-iv, 3-i, 4-iii
(c) 1-iii, 2-iv, 3-ii, 4-i
(d) 1-iv, 2-i, 3-ii, 4-iii
Answer : (a) 1-ii, 2-i, 3-iv, 4-iii

13. Which of the following statements is INCORRECT about the internet?
(a) It is an interconnected system of networks that of networks that allows communication.
(b) It is a public network
(c) It is a vast network that connects millions of computers around the world
(d) It supports only wired communication.
Answer : (d) It supports only wired communication.

14. Which of the following statements is/are correct about Uniform Resource Locator (URL)?
(a) It provides a way to locate a resource on the web.
(b) It is a computer application program.
(c) It is a computer language.
(d) It is a computer memory chip.
Answer : (a) A URL (Uniform Resource Locator), as the name suggests, provides a way to locate a resource on the web, the hypertext system that operates over the internet. The first part of a URL identifies what protocol to use.
The second part identifies the IP address or domain name where the resource is located

15. Select the correct match.

(a) 1-iii, 2-i, 3-iv, 4-ii
(b) 1-ii, 2-iv, 3-i, 4-iii
(c) 1-iii, 2-iv, 3-ii, 4-i
(d) 1-iv, 2-i, 3-ii, 4-iii
Answer : (a) 1-iii, 2-i, 3-iv, 4-ii

16. Which of the following statements is/are correct about the given figure?
1. It has an address bar in which URL of the websites is typed.
2. It can be used to open a search engine.

(a) Both (1) & (2).
(b) Only (1).
(c) Only (2).
(d) Neither (1) Nor (2).
Answer : (a) Both (1) & (2).

17. If we performed the following steps in MS-word2010.
(1) Typed by keyboard MSword2010
(2) Pressed Backspace Key.
(3) Pressed delete key.
(a) MS-word 2010
(b) MS-word 201
(c) Ms-word 200
(d) MS-word 21
Answer : (b) MS-word 201

18. The size of the area in which you want to type the text or align the text can be set by……….. ?
(a) Scroll bar
(b) Ruler
(c) Status bar
(d) None of these.
Answer : (b) Use the rulers in Word to align text, graphics, tables, and other elements in your document horizontally or vertically. The horizontal ruler shows across the top of your Word document and the vertical ruler shows along the left side of your document.

19. Identify the given figure.

(a) MS-word format painter
(b) MS-Paint brush
(c) MS-Paint oil brush
(d) MS-word paint brush
Answer : (a) The given image is a format painter; format painter is use on the Home tab to quickly apply the same formatting, such as color, font style and size, and border style, to multiple pieces of text or graphics. The format painter lets you copy all of the formatting from one object and apply it to another one – think of it as copying and pasting for formatting.

20. Identify the given app.

(a) Window play
(b) Apple play
(c) IBM play
(d) Google play
Answer : (d) The given image is a Google Play. It is a digital distribution service operated and developed by Google. It serves as the official app store for the Android operating system, allowing users to browse and download applications developed with the Android software development kit (SDK) and published through Google.

21. The first computer programmer was developed by………..
(a) Charles Babbage
(b) Dennis Ritchie
(c) James Gosling
(d) Lady Ada Lovelace
Answer : (d) Lady Ada Lovelace

22 ………………. is a computer program that blanks the screen or fills it with moving images or patterns when the computer is not in use?
(a) Screen saver
(b) Wallpaper
(c) Screen Timer
(d) Screen mover
Answer : (a) Screen saver

23. Which of the following is a microcomputer?

Answer : (d) All of these.

24. Which of the following is a social networking game?
(a) Ping-Pong
(b) Ghost House
(c) Melissa
(d) Farmville
Answer : (d) FarmVille is a farming simulation social network game developed by Zynga in 2009.

25. What is PlayStation 4?
(a) A keyboard especially designed for blind people.
(b) A home video game console.
(c) An online service to play video games with your added friends.
(d) A social networking site only for video game players.
Answer : (b) Playstation4 is a gaming brand that consists of four home video game consoles, as well as a media center, an online service, a line of controllers, two handhelds and a phone, as well as multiple magazines.