CS229 Quiz- Ang Pangalawang Yugto

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CS229 Quiz-  Ang Pangalawang Yugto - Quiz

Questions and Answers
  • 1. 

    Which of the following is NOT a type of motherboard expansion slot?

    • A.

      ISA

    • B.

      PCI

    • C.

      AGP

    • D.

      ATX

    Correct Answer
    D. ATX
    Explanation
    The ATX is not a type of motherboard expansion slot, but rather a form factor specification that determines the physical dimensions and layout of the motherboard. It specifies the size, shape, and mounting hole locations, but does not refer to any specific expansion slots. ISA, PCI, and AGP, on the other hand, are all types of motherboard expansion slots that allow additional devices to be connected to the motherboard.

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  • 2. 

    Which of the following retains the information it's storing when the power to the system is turned off?

    • A.

      CPU

    • B.

      RAM

    • C.

      DIMM

    • D.

      ROM

    Correct Answer
    D. ROM
    Explanation
    ROM, which stands for Read-Only Memory, retains the information it's storing even when the power to the system is turned off. This is because ROM is a non-volatile memory type, meaning that it does not require power to maintain its stored data. Unlike RAM, which is volatile and loses its data when power is disconnected, ROM is designed to store permanent instructions or data that are essential for the system's operation.

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  • 3. 

    What is BIOS an acronym for?

    • A.

      Bootstrap initial operating system

    • B.

      Basic input output startup

    • C.

      Boot initial operating startup

    • D.

      Basic input output system

    Correct Answer
    D. Basic input output system
    Explanation
    BIOS stands for Basic Input Output System. It is a firmware that is responsible for initializing hardware components and loading the operating system during the boot process. The BIOS provides a set of low-level software routines that enable the computer to perform basic tasks such as keyboard input, display output, and disk access. It also contains configuration settings for the hardware, allowing users to modify system settings.

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  • 4. 

    What type of connector is used to plug a telephone line into a modem?

    • A.

      COM1

    • B.

      RJ-45

    • C.

      RJ-11

    • D.

      RJ-10

    Correct Answer
    B. RJ-45
    Explanation
    The correct answer is RJ-45. RJ-45 is a type of connector commonly used to plug a telephone line into a modem. It is a standard connector for Ethernet cables and is also used for connecting devices such as computers, routers, and switches. RJ-11 is a similar connector used for telephone lines, but it has fewer pins and is typically used for connecting telephones and fax machines. RJ-10 is not a commonly used connector and is not relevant to this question.

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  • 5. 

    What are the four key functions of a computer system?

    • A.

      Input, processing, output, and storage

    • B.

      Keyboard, display, memory, and disk drive

    • C.

      Word processing, spreadsheets, database, and contact management

    • D.

      Read, write, calculate, and display

    Correct Answer
    A. Input, processing, output, and storage
    Explanation
    The four key functions of a computer system are input, processing, output, and storage. Input refers to the data or instructions that are entered into the computer system. Processing involves the manipulation and transformation of the input data using algorithms and software. Output refers to the results or information that is produced by the computer system. Storage involves the saving and retrieval of data and programs on various storage devices such as hard drives or solid-state drives.

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  • 6. 

    How much data will a high density (HD) floppy disk hold?

    • A.

      124 KB

    • B.

      640 KB

    • C.

      1.44 MB

    • D.

      2.88MB

    Correct Answer
    C. 1.44 MB
    Explanation
    A high density (HD) floppy disk can hold 1.44 MB of data. This type of floppy disk was commonly used in the past to store and transfer files. It had a higher storage capacity compared to earlier versions of floppy disks, such as the 124 KB and 640 KB options. The 2.88 MB option is not correct as it refers to a different type of floppy disk that was less commonly used.

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  • 7. 

    What is Random access memory (RAM)?

    • A.

      It is where all your files are stored when you save them on your computer.

    • B.

      It is the computer memory.

    • C.

      It is where you put the cd in the computer.

    • D.

      It is a computer that randomly shuts down.

    Correct Answer
    B. It is the computer memory.
    Explanation
    Random access memory (RAM) is a type of computer memory that is used to store data and instructions that are currently being used by the computer. It is a volatile memory, meaning that its contents are lost when the computer is powered off. RAM allows the computer to quickly access and retrieve data, which helps in improving the overall performance of the system. It is different from the storage memory where files are saved on the computer's hard drive or solid-state drive.

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  • 8. 

    What is an Operating System?

    • A.

      Software that shows that your computer system is in operating mode. It's working so the operating system is fine.

    • B.

      It's got nothing to do with computers.

    • C.

      It is the way your computer operates and performs tasks. It could be on any computer system.

    • D.

      A piece of software that controls the computer once it is loaded. Windows is an Operating System.

    Correct Answer
    D. A piece of software that controls the computer once it is loaded. Windows is an Operating System.
    Explanation
    An operating system is a piece of software that controls the computer once it is loaded. It manages the hardware and software resources of a computer system and provides a platform for other software to run on. Windows is an example of an operating system.

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  • 9. 

    What does downloading mean?

    • A.

      Downloading is a term used when your computers internet connection is slow and the web pages you are viewing download slow.

    • B.

      Downloading is a tech term for a program that is loading slow on your computer. For example if you open Microsoft Word and it opens slowly, it is therefore downloading.

    • C.

      Downloading means you are using a file that you got from the internet. Uploading means you are using a file that is on your computer.

    • D.

      Downloading means getting a copy of a file to view, use, or save on your computer.

    Correct Answer
    D. Downloading means getting a copy of a file to view, use, or save on your computer.
    Explanation
    Downloading means getting a copy of a file to view, use, or save on your computer. This term is commonly used when retrieving files from the internet. It can refer to various types of files such as documents, images, videos, or software programs. When you download a file, it is transferred from a remote server to your local device, allowing you to access and manipulate it offline.

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  • 10. 

    What happens when you defrag(defragment) your computer?

    • A.

      When you defrag a computer it means you take it apart to clean. The first thing you must do is remove the main case.

    • B.

      When you defrag a computer you are actually removing viruses and nasty programs from your computer. You need to defrag to keep your computer safe.

    • C.

      Defragging is a process where a program move files on your computer to organize them for better access. It groups similar files together.

    • D.

      Defrag is a word made up by computer geeks. They usually say it in front of customers as a polite swear word. "Oh Defrag it!"

    Correct Answer
    C. Defragging is a process where a program move files on your computer to organize them for better access. It groups similar files together.
    Explanation
    When you defrag (defragment) your computer, you are running a program that rearranges the files on your computer's hard drive to organize them in a more efficient way. This process helps improve the computer's performance by grouping similar files together and reducing the amount of time it takes for the computer to access those files. Defragging does not involve taking apart the computer or removing viruses and nasty programs, as stated in the incorrect explanations. Additionally, the term "defrag" is not a polite swear word used by computer geeks, but rather a technical term for this specific process.

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  • 11. 

    What is a computer hard drive?

    • A.

      Computer hard drive is a hard round disc you insert into the computer. You can also get floppy diskettes but they are less common now.

    • B.

      A computer hard drive is a storage device where you can save files onto and retrieve at a later date.

    • C.

      A computer hard drive is the hard casing surrounding the computers electrical parts. It is the main protection for your computer.

    • D.

      A computer hard drive is the big box that you can put a cd into and put the monitor on.

    Correct Answer
    B. A computer hard drive is a storage device where you can save files onto and retrieve at a later date.
    Explanation
    The correct answer accurately describes a computer hard drive as a storage device where files can be saved and retrieved later. It distinguishes a hard drive from other types of storage devices like floppy diskettes and clarifies its purpose in terms of file storage.

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  • 12. 

    In technical jargon, what is a BSOD?

    • A.

      Berkeley Standard Official Distribution, an operating system like Linux originally published by the University of California at Berkeley.

    • B.

      Blue Screen of Death. This is when the blue screens appears with an error stop code and this indicates you have a computer error!

    • C.

      Black Screen of Death. This is the true BSOD because it means you have a really big computer problem!

    • D.

      Big Stupid Office Doorjam, a pejorative name for early PCs. The PCs would often fail—turning them into large expensive bricks used to prop-open heavy doors

    Correct Answer
    B. Blue Screen of Death. This is when the blue screens appears with an error stop code and this indicates you have a computer error!
    Explanation
    The correct answer is "Blue Screen of Death. This is when the blue screens appears with an error stop code and this indicates you have a computer error!" This explanation correctly identifies the BSOD as a phenomenon where a blue screen with an error stop code appears on a computer screen, indicating a computer error. This is a common term in technical jargon and is widely recognized in the field of computing.

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  • 13. 

    What are the most risky files to download and run?

    • A.

      Executable files (.exe, .bat, .com)

    • B.

      Word or Excel files (.doc, .docx, .xls, .xlsx)

    • C.

      Adobe Acrobat Reader files (.pdf, .ps)

    • D.

      Text files (.txt)

    Correct Answer
    A. Executable files (.exe, .bat, .com)
    Explanation
    Executable files (.exe, .bat, .com) are the most risky files to download and run because they have the ability to execute commands and carry out actions on a computer system. These files can contain malicious code or viruses that can harm the computer, steal personal information, or perform unauthorized actions. Word or Excel files, Adobe Acrobat Reader files, and text files are generally considered less risky as they do not have the same level of functionality to execute commands.

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  • 14. 

    If you think your computer has a virus and you want to try to fix it yourself, what’s the first and second things you should do?

    • A.

      Run your virus scanner software and do whatever it says.

    • B.

      Physically disconnect the computer from the network and backup all of your files.

    • C.

      Backup all of your files and run your virus scanner software.

    • D.

      Update your virus scanner (or get a different brand) and then run it.

    Correct Answer
    C. Backup all of your files and run your virus scanner software.
    Explanation
    The first thing you should do when you suspect your computer has a virus is to backup all of your files. This is important because running a virus scanner software can sometimes result in the deletion or alteration of files, so it is crucial to have a backup to prevent any data loss. The second step is to run your virus scanner software, which will help detect and remove any viruses or malware present on your computer. By following these steps in the given order, you can minimize the risk of data loss and effectively address the virus issue.

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  • 15. 

    What can a megabyte be related to?

    • A.

      A megabyte is the measurement of the CPU speed. Therefore if a computer is 500mb it is reasonably fast by today's standards.

    • B.

      A megabyte is the measurement of the size in relation to computer memory and hard drives. It is abbreviated as MB.

    • C.

      A megabyte is a very large or mega file that takes up space that would usually be used by several files.

    • D.

      A megabyte is the measurement of the motherboard. This is so you can tell how powerful it is and how compatible it is with other computer components.

    Correct Answer
    B. A megabyte is the measurement of the size in relation to computer memory and hard drives. It is abbreviated as MB.
    Explanation
    A megabyte is a unit of measurement used to quantify the size of computer memory and hard drives. It represents a significant amount of data storage and is commonly abbreviated as MB. This measurement allows users to understand the capacity of their computer's memory and storage devices, helping them determine how much data can be stored and processed.

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  • 16. 

    What have cookies got to do with your computer?

    • A.

      Cookies have got nothing to do with your computer, it’s a myth and the only cookie I know of are the ones you eat.

    • B.

      Cookies are files that the computer collects to show how much you use your computer.

    • C.

      A Cookie is a small text file that is created when you visit a website. It identifies you or your computer so next time you visit the website you will be recognized as a return visitor.

    • D.

      Cookie is those small disc shaped items that appear in all the popular games where you have to collect as many as you can.

    Correct Answer
    C. A Cookie is a small text file that is created when you visit a website. It identifies you or your computer so next time you visit the website you will be recognized as a return visitor.
    Explanation
    A cookie is a small text file that is created when you visit a website. It is used to identify you or your computer so that the next time you visit the website, you will be recognized as a return visitor. This allows the website to remember certain information about you, such as your preferences or login information, making your browsing experience more personalized and convenient.

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  • 17. 

    Which Windows Operating system is the newest?

    • A.

      Windows XP which means Windows 10 professional. This is the newest operating system.

    • B.

      Windows Vista because it’s actually really called windows 8 but they are still perfecting it

    • C.

      Windows 7 is the newest operating system.

    • D.

      Windows 98 does not mean it was made in 1998 it means 9.8

    Correct Answer
    C. Windows 7 is the newest operating system.
    Explanation
    The given options are Windows XP, Windows Vista, Windows 7, and Windows 98. The correct answer is Windows 7 because it is the newest operating system among the given options. Windows XP is older than Windows 7, Windows Vista is not the newest and is actually called Windows 8, and Windows 98 does not refer to the year it was made but rather a version number.

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  • 18. 

    How do you measure the speed your computer processor?

    • A.

      A computer processor is measured with miles per hour and then converted to computer language.

    • B.

      The computer processor is timed in minutes per second. Then it is calculated how many tasks it can perform in that time.

    • C.

      Our computer processor is measured in hertz. The the theory goes that the higher the number of megahertz or gigahertz, the faster the processor.

    • D.

      Revs Per Minute (RPM), just like a computer hard drive.

    Correct Answer
    C. Our computer processor is measured in hertz. The the theory goes that the higher the number of megahertz or gigahertz, the faster the processor.
    Explanation
    The speed of a computer processor is measured in hertz. The theory is that the higher the number of megahertz or gigahertz, the faster the processor. This measurement refers to the number of cycles per second that the processor can execute. A higher frequency means that the processor can perform more tasks in a given amount of time, resulting in faster processing speed.

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  • 19. 

    What is a firewall?

    • A.

      A melted motherboard that could have started a fire.

    • B.

      A piece of equipment that is too hot to touch.

    • C.

      A firewall is a protective casing that your computer components are contained in. It is a fireproof material that is used for all computers.

    • D.

      A security program that blocks out intruders from accessing your computer.

    Correct Answer
    D. A security program that blocks out intruders from accessing your computer.
    Explanation
    The correct answer is a security program that blocks out intruders from accessing your computer. A firewall is a software or hardware-based network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules. It acts as a barrier between a trusted internal network and an untrusted external network, filtering out potentially harmful or unauthorized connections. Its main purpose is to prevent unauthorized access to or from a private network, ensuring the security and integrity of the network and the data it contains.

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  • 20. 

    10.  What is a terabyte closely equal to?

    • A.

      1000 megabytes

    • B.

      1000 gigabytes

    • C.

      1000 kilobytes

    • D.

      1000 gigahertz

    Correct Answer
    B. 1000 gigabytes
    Explanation
    A terabyte is a unit of digital information that is equal to approximately 1000 gigabytes. It is commonly used to measure large amounts of data storage or transfer. Gigabytes are smaller units of storage, so 1000 gigabytes would be a closely equal measurement to a terabyte.

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  • 21. 

    Why should you never put a powerful magnet near your computer?

    • A.

      There’s nothing to worry about. Stories of magnets destroying computers are an urban myth.

    • B.

      Magnets can disrupt the flow of electricity in your computer, electrocuting you.

    • C.

      Most hard drives are based on very sensitive magnets and a powerful magnet can destroy all of your data in less than a second.

    • D.

      Computer cases are usually magnetic and strong magnets can become stuck to them permanently.

    Correct Answer
    C. Most hard drives are based on very sensitive magnets and a powerful magnet can destroy all of your data in less than a second.
    Explanation
    A powerful magnet can destroy all of your data in less than a second because most hard drives are based on very sensitive magnets.

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  • 22. 

    How can you help prevent a nearby lightning strike from destroying your computer?

    • A.

      There’s nothing you can do to prevent lighting strike damage.

    • B.

      Turn off your computer before the storm hits

    • C.

      Plug your computer—and all of its accessories—into a surge protector.

    • D.

      Plug your computer into its own wall socket so it has its own grounded connection.

    Correct Answer
    C. Plug your computer—and all of its accessories—into a surge protector.
    Explanation
    Plugging your computer and its accessories into a surge protector helps prevent a nearby lightning strike from destroying your computer. Surge protectors are designed to absorb and redirect excess electrical energy, such as a power surge caused by a lightning strike. By using a surge protector, you provide a layer of protection for your computer and its components, reducing the risk of damage from electrical surges.

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  • 23. 

    What should you always do before removing a USB drive?

    • A.

      Find the Read-Only (lock icon) switch on the drive and turn it on.

    • B.

      Close down any open Windows Explorer window that show the contents of the drive.

    • C.

      Save and exit any files you have open on the drive, find the icon in the taskbar with a USB emblem, right click on it, select Safely Remove Hardware, and follow the instructions that appear.

    • D.

      You should never remove any drive from your computer without turning off your computer first.

    Correct Answer
    C. Save and exit any files you have open on the drive, find the icon in the taskbar with a USB emblem, right click on it, select Safely Remove Hardware, and follow the instructions that appear.
    Explanation
    Before removing a USB drive, it is important to save and exit any files that are open on the drive. This ensures that any changes made to the files are properly saved and prevents data loss. After saving and closing the files, the next step is to find the icon in the taskbar with a USB emblem, right click on it, select Safely Remove Hardware, and follow the instructions that appear. This allows the operating system to properly eject the USB drive and ensures that all data transfers are completed before removing the drive physically.

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  • 24. 

    You see a new computer in the store described as a 1.4GHz Quad-core. How fast is this computer’s processor?

    • A.

      1.4GHz

    • B.

      5.6GHz (1.4GHz x 4)

    • C.

      22.4GHz (1.4GHz x 4 x 4)

    • D.

      It depends on whether it’s an Intel or an AMD processor.

    Correct Answer
    B. 5.6GHz (1.4GHz x 4)
    Explanation
    The correct answer is 5.6GHz (1.4GHz x 4). The computer's processor is described as a 1.4GHz Quad-core, which means it has four cores running at a speed of 1.4GHz each. To calculate the total speed of the processor, we multiply the speed of one core (1.4GHz) by the number of cores (4), resulting in a total speed of 5.6GHz.

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  • 25. 

    What keyboard key do you press to refresh a web page in Internet Explorer, a folder in Windows Explorer, or a print queue in the Printer Status application?

    • A.

      Ctrl-R

    • B.

      Shift-R

    • C.

      F7

    • D.

      F5

    Correct Answer
    D. F5
    Explanation
    Pressing the F5 key refreshes a web page in Internet Explorer, a folder in Windows Explorer, or a print queue in the Printer Status application.

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