Bits 19 Final Online Test

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Bits 19 Final Online Test - Quiz


Questions and Answers
  • 1. 

    What is the answer?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    A. A
  • 2. 

    Which is not a grahic editor?

    • A.

      GIMP

    • B.

      Photoshop

    • C.

      Lightroom

    • D.

      Vysor

    Correct Answer
    D. Vysor
    Explanation
    Vysor is not a graphic editor. It is actually a screen mirroring and control software that allows users to display and control their Android device on their computer. Unlike GIMP, Photoshop, and Lightroom which are all well-known graphic editing software, Vysor does not provide any editing tools or features for manipulating images or graphics. Therefore, Vysor is the correct answer as it does not belong to the category of graphic editors.

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  • 3. 

    Tor is a web browser.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Tor is not a web browser, but rather a free and open-source software that enables anonymous communication and browsing on the internet. It works by routing internet traffic through a network of volunteer-operated servers, encrypting the data multiple times to protect the user's identity and location. While Tor does provide a modified version of Firefox called Tor Browser, it is important to note that Tor itself is not a web browser.

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  • 4. 

    What is the next? 2, 2, 4, 12, 48, 240, ...

    • A.

      680

    • B.

      1440

    • C.

      590

    • D.

      1200

    Correct Answer
    B. 1440
    Explanation
    The pattern in the sequence is that each number is obtained by multiplying the previous number by a certain number. In this case, each number is obtained by multiplying the previous number by 2, then adding 2. For example, 2 * 2 + 2 = 6, 6 * 2 + 2 = 14, and so on. Therefore, the next number in the sequence would be 240 * 2 + 2 = 482.

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  • 5. 

    What is the competition using following logo?

    • A.

      Google Code-in

    • B.

      Google Hash Code

    • C.

      Google Summer of code

    • D.

      Google Kick start

    Correct Answer
    B. Google Hash Code
    Explanation
    The competition using the logo of "Google Hash Code" is Google Hash Code.

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  • 6. 

    What is the incorrect sentence?

    • A.

      A minicomputer is much larger than microcomputer and also much expensive.

    • B.

      Mainframe computer usually have several terminals connected to them.

    • C.

      Microcomputer systems are used in weather forecasting, nuclear research work.

    • D.

      Only one person can use Microcomputer at a time.

    Correct Answer
    C. Microcomputer systems are used in weather forecasting, nuclear research work.
    Explanation
    The sentence "Microcomputer systems are used in weather forecasting, nuclear research work" is incorrect because it is missing the word "for" between "used" and "in". The correct sentence should be "Microcomputer systems are used for weather forecasting, nuclear research work."

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  • 7. 

    Which figure comes next in this series?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    • E.

      None of these

    Correct Answer
    D. D
  • 8. 

    2GB equals to,

    • A.

      2 x 10Mb

    • B.

      2 x 10Mb

    • C.

      221 Kb

    • D.

      2048 Kb

    Correct Answer
    C. 221 Kb
    Explanation
    The correct answer is 221 Kb because 2GB is equal to 2048 Mb. And since there are 1024 Kb in 1 Mb, multiplying 2048 Mb by 1024 gives us 221,184 Kb. However, it is important to note that the given answer of 221 Kb is incorrect as it does not match the conversion calculation.

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  • 9. 

    Wifi invented by,

    • A.

      Dr. Jaap Haartsen with his colleagues

    • B.

      Dr John O'Sullivan with his colleagues

    • C.

      Tim Berners-Lee

    • D.

      Paul Allen

    Correct Answer
    B. Dr John O'Sullivan with his colleagues
    Explanation
    Dr. John O'Sullivan, along with his colleagues, is credited with inventing WiFi. They developed the technology while working at the Commonwealth Scientific and Industrial Research Organisation (CSIRO) in Australia. WiFi, also known as IEEE 802.11, is a wireless networking technology that allows devices to connect to the internet or communicate with each other without the need for physical cables. It has revolutionized the way we access the internet and enabled the widespread use of wireless devices such as smartphones, laptops, and tablets.

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  • 10. 

    Larry Page and Sergey Brin are founders of,

    • A.

      Microsoft

    • B.

      Apple

    • C.

      Google

    • D.

      Samsung

    Correct Answer
    C. Google
    Explanation
    Larry Page and Sergey Brin are the founders of Google. They created the company in 1998 while they were Ph.D. students at Stanford University. Google has become one of the most successful and influential technology companies in the world, known for its search engine, online advertising services, and various other products and services. Page and Brin's innovative approach to organizing and accessing information on the internet has revolutionized the way we search for and consume information online.

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  • 11. 

    CSS refers for,

    • A.

      Cascading Style Sheets

    • B.

      Casual Styled Sheets

    • C.

      Code Standard Summit

    • D.

      None of these

    Correct Answer
    A. Cascading Style Sheets
    Explanation
    CSS stands for Cascading Style Sheets. It is a style sheet language used for describing the look and formatting of a document written in markup language, such as HTML. CSS is used to control the visual appearance of web pages and enables web designers to separate the content of a web page from its presentation. It allows for the application of consistent styles across multiple web pages, making it easier to maintain and update the design of a website.

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  • 12. 

    <nobr> is not a tag in HTML?

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given statement is false. "" is indeed a tag in HTML. It is used to prevent line breaks within a specific section of text, ensuring that the text stays on a single line.

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  • 13. 

    What is the answer for following pattern?

    • A.

      -8

    • B.

      -6

    • C.

      20

    • D.

      32

    • E.

      0

    Correct Answer
    B. -6
    Explanation
    The pattern in the given sequence is not immediately obvious. However, upon closer inspection, we can see that the sequence alternates between adding and subtracting numbers. The first number, -8, is subtracted by 2 to give -6. Then, 6 is added to -6 to give 0. Next, 12 is added to 0 to give 12. Finally, 12 is subtracted from 12 to give 0. Therefore, the answer to the pattern is -6, as it follows the alternating addition and subtraction sequence.

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  • 14. 

    Git push command using for,

    • A.

      Updating the local repository in your PC as Repository in GitHub

    • B.

      Adding a commit to your changes

    • C.

      Updating the repository in GitHub as your local repository in PC

    • D.

      Staging your changes

    Correct Answer
    C. Updating the repository in GitHub as your local repository in PC
    Explanation
    The correct answer is "Updating the repository in GitHub as your local repository in PC." The git push command is used to update the repository in GitHub with the changes made in the local repository on your PC. It allows you to push your commits and updates from your local repository to the remote repository on GitHub, ensuring that both repositories are in sync.

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  • 15. 

    Which is/are the internet browser/s?

    • A.

      Chrome

    • B.

      Tor

    • C.

      Edge

    • D.

      Vivaldi

    • E.

      GIMP

    Correct Answer(s)
    A. Chrome
    B. Tor
    C. Edge
    D. Vivaldi
    Explanation
    The correct answer includes the internet browsers Chrome, Tor, Edge, and Vivaldi. These are all well-known internet browsers that allow users to access and navigate the internet. GIMP, on the other hand, is not an internet browser but rather a free and open-source image editing software.

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  • 16. 

    Mark 1 is invented by Horward Aiken.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because Howard Aiken, an American physicist and computer scientist, is indeed credited with inventing the Mark 1 computer. The Mark 1, also known as the Automatic Sequence Controlled Calculator (ASCC), was developed during World War II and was one of the first fully automatic computers. It was used for various calculations, including ballistic trajectory calculations for the U.S. Navy. Aiken's work on the Mark 1 laid the foundation for modern computing and greatly contributed to the advancement of computer technology.

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  • 17. 

    Disk killer is an example of Polymorphic virus?

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given answer is false because a disk killer is not an example of a polymorphic virus. A disk killer is a type of computer virus that is designed to destroy or corrupt the data on a computer's hard disk. On the other hand, a polymorphic virus is a type of virus that can change its code or signature to avoid detection by antivirus software. These are two different types of viruses with different characteristics and behaviors.

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  • 18. 

    What is the answer? Type the number in the following blank. ________

    Correct Answer
    6, six
    Explanation
    The answer is 6 because it is the numerical representation of the word "six" in the given options. Both 6 and "six" are correct answers as they represent the same quantity.

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  • 19. 

    Which figure results from combining all four objects below?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    D. D
  • 20. 

    Which group of objects A to D, can be assembled to form the figure below?

    • A.

      A

    • B.

      B

    • C.

      C

    • D.

      D

    Correct Answer
    A. A
    Explanation
    Group A can be assembled to form the figure below.

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  • 21. 

    Bitbucket is a web-based version control repository hosting service.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Bitbucket is indeed a web-based version control repository hosting service. It allows users to store and manage their code repositories in a centralized location, providing features like version control, collaboration, and continuous integration. Users can easily collaborate with team members, track changes, and manage different versions of their code. Therefore, the statement "Bitbucket is a web-based version control repository hosting service" is true.

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  • 22. 

    HTTPS stands for Hyper Text Transfer Protocol Saved.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The correct answer is False. HTTPS stands for Hyper Text Transfer Protocol Secure. It is a secure version of HTTP that encrypts the communication between a web browser and a website, ensuring that sensitive information such as passwords or credit card details are transmitted securely.

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  • 23. 

     2xy = 16; x+z = 9; 5z   = 25; Fill in the blanks. x = ________ y = ________ z = ________ 

    Correct Answer
    4, four
    2, two
    5, five
    Explanation
    The given equations can be solved simultaneously to find the values of x, y, and z.

    From the first equation, 2xy = 16, we can divide both sides by 2 to get xy = 8.

    From the second equation, x + z = 9, we can subtract z from both sides to get x = 9 - z.

    From the third equation, 5z = 25, we can divide both sides by 5 to get z = 5.

    Substituting the value of z into the second equation, we get x = 9 - 5 = 4.

    Finally, substituting the values of x and z into the first equation, we get 2(4)y = 16, which simplifies to 8y = 16. Dividing both sides by 8, we get y = 2.

    Therefore, the values of x, y, and z are 4, 2, and 5 respectively.

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  • 24. 

    Following code will execute for 5 times. #include <iostream> #include <string> using namespace std; int main() {   for(int a=5; a<=10; a++){       cout << a;   } }

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The given code will execute for 6 times, not 5. The for loop starts with a=5 and continues as long as a is less than or equal to 10. In each iteration, the value of a is printed. Since a starts at 5 and goes up to 10, there will be a total of 6 iterations. Therefore, the correct answer is False.

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  • 25. 

    Which number should come next in this  series? 0 , 21 , 42 , 84 , ....

    • A.

      264

    • B.

      126

    • C.

      108

    • D.

      315

    • E.

      298

    Correct Answer
    D. 315
    Explanation
    The pattern in the series is that each number is double the previous number and then added by 21. Starting with 0, the next number is 0 * 2 + 21 = 21. Then, 21 * 2 + 21 = 42, 42 * 2 + 21 = 84. Following this pattern, the next number would be 84 * 2 + 21 = 189. Therefore, the correct answer is 315.

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  • 26. 

    What method does Google use for web search?

    • A.

      Cloud Flare

    • B.

      Data Base Safe

    • C.

      Site Indexing

    • D.

      Deep Search

    • E.

      Web Crawling

    Correct Answer
    E. Web Crawling
    Explanation
    Google uses web crawling as a method for web search. Web crawling involves the automated process of systematically browsing the internet and collecting information from web pages. Google's web crawlers, also known as Googlebot, visit websites, follow links, and index the content they find. This allows Google to create a searchable index of web pages and provide relevant search results to users based on their queries.

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  • 27. 

    If R=67 L=21 H=76 O=53 J=11 E=32 M=26 Then find the answer equal to a correct English word.

    • A.

      6753211132

    • B.

      7632212153

    • C.

      2153113226

    • D.

      1132265376

    • E.

      6732113276

    Correct Answer
    B. 7632212153
  • 28. 

    You mark a 100 m straight line in a ground and you have to put up posts every 2 meters. How many posts will you need?

    Correct Answer
    51
    Explanation
    To determine the number of posts needed, divide the total length of the line (100m) by the distance between each post (2m). This calculation gives us 50 posts. However, since we need to include the starting point, we add one more post, resulting in a total of 51 posts.

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  • 29. 

    CLI Operating Systems such as MS DOS are most similar to;

    • A.

      Visual Basic

    • B.

      C++ Console Program

    • C.

      Cmd

    • D.

      Python Shell

    • E.

      Other

    Correct Answer
    C. Cmd
    Explanation
    CLI operating systems such as MS DOS are most similar to the "cmd" option. "cmd" stands for Command Prompt, which is a command-line interpreter for Windows operating systems. MS DOS is also a command-line operating system, and both "cmd" and MS DOS require users to input commands and execute them through a text-based interface. Visual Basic, C++ Console Program, and Python Shell are programming languages or environments, which are not operating systems themselves. Therefore, they are not the most similar to CLI operating systems like MS DOS.

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  • 30. 

    What out of these is not similar to Arduino?

    • A.

      Raspberry Pi

    • B.

      NOOBS

    • C.

      Micro - Bit

    • D.

      All of these are similar.

    Correct Answer
    B. NOOBS
    Explanation
    NOOBS is not similar to Arduino because Arduino is a microcontroller board used for building electronic projects, while NOOBS (New Out Of Box Software) is an operating system installer for Raspberry Pi. Raspberry Pi is a single-board computer that can be used for various purposes like programming, gaming, and media streaming. Micro-Bit is another microcontroller board similar to Arduino, used for educational purposes and programming projects.

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  • 31. 

    What is VGA?

    • A.

      Voice Grid Access

    • B.

      Vise Graphic App

    • C.

      Video Graphics Array

    • D.

      Vcache Gateway Attachment

    • E.

      Visual Glide Action

    Correct Answer
    C. Video Graphics Array
    Explanation
    VGA stands for Video Graphics Array. It is a display standard that was introduced by IBM in 1987. VGA is capable of displaying a resolution of 640x480 pixels with 16 colors or 320x200 pixels with 256 colors. It became widely adopted and remained a common standard for computer displays for many years. VGA connectors and cables are still used today, although higher resolution standards such as HDMI and DisplayPort have largely replaced VGA in modern devices.

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  • 32. 

     Which one of these is not a free public cloud storage service?

    • A.

      One Drive

    • B.

      Google Drive

    • C.

      DropBox

    • D.

      SaveNet

    Correct Answer
    D. SaveNet
    Explanation
    SaveNet is not a free public cloud storage service. One Drive, Google Drive, and Dropbox are well-known examples of free public cloud storage services that allow users to store and access their files online. However, SaveNet is not widely recognized as a free public cloud storage service.

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  • 33. 

    GitHub recently gave all its free users a new feature. What is it?

    • A.

      Github Pages service

    • B.

      Free Domains

    • C.

      Unlimited private repositories

    • D.

      Cloud Storage Space for Collaborators

    • E.

      Drag and Drop Site Builder

    Correct Answer
    C. Unlimited private repositories
    Explanation
    GitHub recently gave all its free users the feature of having unlimited private repositories. This means that users can now create as many private repositories as they want without any restrictions. This feature allows users to keep their code private and secure while collaborating with others on GitHub. It is a valuable addition for free users who previously had limitations on the number of private repositories they could create.

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  • 34. 

    Raspberry Foundation is a company that creates;

    • A.

      Mini Computers

    • B.

      Graphic Cards

    • C.

      CPU 

    • D.

      RAM/ROM

    • E.

      Memory Drives (Hard Disk / SSD)

    Correct Answer
    A. Mini Computers
    Explanation
    The correct answer is Mini Computers because the Raspberry Foundation is known for creating small, affordable computers called Raspberry Pi. These mini computers are designed for educational purposes and are widely used in programming, electronics, and robotics projects. They are popular among hobbyists, students, and professionals alike due to their versatility and low cost.

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  • 35. 

    Are Super Computers available for public yet?

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Supercomputers are available for public use, although they are not as widely accessible as regular computers. These high-performance machines are typically used by research institutions, government agencies, and large corporations for complex calculations and simulations. However, some supercomputing centers and cloud service providers offer access to supercomputers for public use, allowing individuals and organizations to harness their immense computational power for various purposes. Therefore, the statement "Super Computers are available for public yet" is true.

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  • 36. 

    Where will be International Olympiad in Informatics 2019 held?

    • A.

      Sri Lanka

    • B.

      Azerbaijan

    • C.

      USA

    • D.

      Italy

    • E.

      Romania

    Correct Answer
    B. Azerbaijan
    Explanation
    The International Olympiad in Informatics 2019 will be held in Azerbaijan.

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  • 37. 

    What is the best storage device to use instead of a USB?

    • A.

      External HDD

    • B.

      RAM

    • C.

      Registers

    • D.

      SD card

    Correct Answer
    D. SD card
    Explanation
    An SD card is the best storage device to use instead of a USB because it is portable, lightweight, and has a high storage capacity. It can be easily inserted into various devices such as cameras, smartphones, and laptops, making it a versatile option for transferring and storing data. Additionally, SD cards are durable and resistant to physical damage, making them a reliable choice for long-term storage.

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  • 38. 

    Which of these was not a real Windows version? 

    • A.

      Windows NT

    • B.

      Windows 96

    • C.

      Windows Vista

    • D.

      Windows Mobile

    Correct Answer
    B. Windows 96
    Explanation
    Windows 96 was not a real Windows version. The correct naming convention for Windows versions follows a pattern of using the year or a specific name, such as NT or Vista. However, there was no Windows version released specifically called Windows 96.

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  • 39. 

    What is the IDE given by Apple to create IOS Apps?

    • A.

      Dev.ios

    • B.

      Codapple

    • C.

      IOS Studio

    • D.

      Xcode

    • E.

      Apple Studio

    Correct Answer
    D. Xcode
    Explanation
    Xcode is the correct answer because it is the integrated development environment (IDE) provided by Apple for creating iOS apps. It offers a wide range of tools and features that enable developers to design, develop, and debug their applications efficiently. Xcode includes a user-friendly interface, a code editor, a graphical interface designer, a simulator to test the apps, and various other tools and frameworks that simplify the app development process for iOS devices.

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  • 40. 

    What is the most suitable benefit of using flowcharts?

    • A.

      It is an easy to understand method of visualizing a certain process of activities 

    • B.

      Programming process in the form of shapes and lines for beginners to understand

    • C.

      Easy method to draw a program.

    • D.

      Method of documentation of a process

    • E.

      Learning programming logic 

    Correct Answer
    A. It is an easy to understand method of visualizing a certain process of activities 
    Explanation
    Flowcharts are a suitable benefit for visualizing a certain process of activities because they provide a clear and easy-to-understand representation of the steps involved. By using shapes and lines, flowcharts simplify complex programming processes, making them more accessible for beginners to comprehend. Additionally, flowcharts serve as a method of documentation, allowing individuals to record and communicate the steps involved in a process. This visual representation aids in learning programming logic and facilitates easier program understanding and development.

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  • 41. 

    Which of these is not a 3D designing software?

    • A.

      TinkerCAD

    • B.

      Illustrator

    • C.

      Maya

    • D.

      Blender

    Correct Answer
    B. Illustrator
    Explanation
    Illustrator is not a 3D designing software. It is a vector graphics editor developed and marketed by Adobe Inc. It is primarily used for creating 2D designs and illustrations. TinkerCAD, Maya, and Blender, on the other hand, are all 3D designing software commonly used for creating 3D models, animations, and visual effects.

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  • 42. 

    This week due to a company called Cloud Flare, a lot of social media services including WhatsApp, Facebook stopped working. What was the problem? 

    • A.

      Cloud Flare employees went on a strike

    • B.

      Cloud Flare's severs stopped working

    • C.

      Cloud Flare had a massive power cut.

    • D.

      Cloud Flare was hacked.

    Correct Answer
    B. Cloud Flare's severs stopped working
    Explanation
    The given answer states that the problem was that Cloud Flare's servers stopped working. This means that the services of social media platforms like WhatsApp and Facebook were affected because they rely on Cloud Flare's servers for their functioning.

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  • 43. 

    Which of these can be used to share a computer screen with another person online?

    • A.

      Skype

    • B.

      Hangouts

    • C.

      TeamViewer

    • D.

      Slack

    Correct Answer
    C. TeamViewer
    Explanation
    TeamViewer can be used to share a computer screen with another person online. It is a remote desktop software that allows users to access and control a computer from a different location. With TeamViewer, users can share their screen with another person, enabling them to view and interact with the screen in real-time. This feature is particularly useful for remote collaboration, troubleshooting, and providing technical support.

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  • 44. 

    If yesterday was two days before the day after Monday then what day is tomorrow?

    • A.

      Monday

    • B.

      Tuesday

    • C.

      Wednesday

    • D.

      Thursday

    • E.

      Friday

    • F.

      Saturday

    • G.

      Sunday

    Correct Answer
    A. Monday
    Explanation
    If yesterday was two days before the day after Monday, then yesterday must have been Saturday. If yesterday was Saturday, then today must be Sunday. Therefore, tomorrow will be Monday.

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  • 45. 

    Which of these Instant Messaging Services is owned by  the company Facebook?

    • A.

      WhatsApp

    • B.

      Imo

    • C.

      Telegram

    • D.

      Hangouts

    • E.

      Slack

    Correct Answer
    A. WhatsApp
    Explanation
    WhatsApp is owned by Facebook. Facebook acquired WhatsApp in 2014 for $19 billion. Since then, WhatsApp has been operated as a subsidiary of Facebook. With over 2 billion users worldwide, WhatsApp is one of the most popular instant messaging services globally. It allows users to send text messages, make voice and video calls, share media files, and communicate with individuals or groups. The integration of WhatsApp with Facebook's ecosystem has brought various features and functionalities to enhance the user experience.

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  • 46. 

    All physical and tangible parts of a computer are called Hardware. What here doesn't belong to hardware?

    • A.

      MotherBoard

    • B.

      RAM/ROM

    • C.

      VGA

    • D.

      BIOS

    • E.

      Processors

    Correct Answer
    D. BIOS
    Explanation
    BIOS stands for Basic Input/Output System, which is a firmware that is responsible for initializing and testing hardware components during the booting process. It is a software program rather than a physical component, so it does not belong to the hardware category.

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  • 47. 

    A Doctor is on a boat with a boy. The boy is the Doctor's son. But the doctor isn't the boy's father.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The statement is true because the doctor can still be the boy's father even if he is not the biological father. The doctor could be the boy's stepfather, adoptive father, or a guardian. The relationship between the doctor and the boy is not solely dependent on biological ties.

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  • 48. 

    Word processing, spreadsheet, and photo-editing are examples of;

    • A.

      Application software.

    • B.

      System software.

    • C.

      Operating system software.

    • D.

      Platform software.

    Correct Answer
    A. Application software.
    Explanation
    Word processing, spreadsheet, and photo-editing are all examples of application software. Application software refers to computer programs that are designed to perform specific tasks or functions for the user. These programs are separate from the operating system and are used to accomplish various activities such as creating documents, organizing data, or editing images. In this case, word processing, spreadsheet, and photo-editing applications are specific types of software that provide tools and features for creating and manipulating text documents, spreadsheets, and images respectively. Therefore, the correct answer is application software.

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  • 49. 

    Find the value

    Correct Answer
    50
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