Hardware Quiz On SCSI And CRT!

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| By Sickfredo
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Quizzes Created: 3 | Total Attempts: 277
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Hardware Quiz On SCSI And CRT! - Quiz


What do you know about hardware SCI and CRT? Do you think you can ACE this quiz? This quiz entails knowing how many deflecting coils are in a CRT, what creates a fine point that can strike individual phosphors cleanly, what happens when electrons strike the phosphor coating, and what CRT can activate termination. This quiz is challenging, but you can do it.


Questions and Answers
  • 1. 

    What Creates a fine point that can strike individual phosphors cleanly?

    Explanation
    A sharp and narrow object, such as a needle or a pointed tool, creates a fine point that can strike individual phosphors cleanly. This allows for precise and accurate manipulation or activation of the phosphors, ensuring a clear and defined display or image.

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  • 2. 

    What does CRT stand for?

    Explanation
    CRT stands for cathode ray tube. A cathode ray tube is a vacuum tube that contains an electron gun and a fluorescent screen. When an electric current is passed through the electron gun, it emits a beam of electrons which is directed towards the screen. The screen then emits light or displays an image when the electrons strike it. CRTs were commonly used in older television sets and computer monitors.

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  • 3. 

    What color does the electron guns in a CRT use? (acronym)

    Explanation
    The electron guns in a CRT (Cathode Ray Tube) use the RGB color model. RGB stands for Red, Green, and Blue, which are the primary colors of light. By combining different intensities of these three colors, the electron guns can create a wide range of colors on the screen. Each electron gun is responsible for emitting one of these primary colors, and by varying the intensity of each gun, the desired color is produced. This color mixing technique is commonly used in CRT displays to generate a full spectrum of colors.

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  • 4. 

    How many deflecting coils are in a CRT?

    Explanation
    A CRT (Cathode Ray Tube) is a device used in older television and computer monitors. It consists of several components, including deflecting coils. These coils are responsible for controlling the movement of the electron beam inside the CRT. The question asks how many deflecting coils are present in a CRT, and the correct answer is 2. This means that there are two coils in the CRT that work together to accurately position the electron beam and control the display on the screen.

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  • 5. 

    What happens when the phosphor coating is struck by electrons?

    Explanation
    When the phosphor coating is struck by electrons, it undergoes a process called electron excitation. This means that the electrons in the phosphor atoms absorb energy from the incoming electrons and move to higher energy levels. As these excited electrons return to their original energy levels, they release the absorbed energy in the form of visible light. This phenomenon is known as fluorescence and is the basis for the production of light in various devices such as fluorescent lamps and television screens.

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  • 6. 

    What is persistence ?

  • 7. 

    Each discrete phosphor is a

    Explanation
    Each discrete phosphor refers to individual phosphor dots. The term "phosphor dot" is used to describe these small, discrete units of phosphor material. Therefore, the correct answer is "phosphor dot,dot".

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  • 8. 

    Each triangular grouping of one red, green and blue dot is considered a:

    Explanation
    Each triangular grouping of one red, green, and blue dot is considered a triad. A triad refers to a group of three elements or individuals. In this context, the three dots of different colors form a triad, representing a complete set or grouping.

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  • 9. 

    Most CRTs use an __aspect ratio.

    Explanation
    Most CRTs use a 4:3 aspect ratio. The aspect ratio refers to the proportional relationship between the width and height of the screen. In a 4:3 aspect ratio, for every 4 units of width, there are 3 units of height. This aspect ratio was commonly used in older CRT (cathode ray tube) televisions and computer monitors. It is more square-shaped compared to the widescreen 16:9 aspect ratio that is commonly used in modern LCD and LED screens.

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  • 10. 

    _________monitors refresh every odd line first from the top-down, left to right, then return to the top to refresh the even lines in the same manner.

    • A.

      Non-interlaced

    • B.

      Interlaced

    Correct Answer
    B. Interlaced
    Explanation
    Interlaced monitors refresh the display by first refreshing every odd line from the top-down, left to right, and then returning to the top to refresh the even lines in the same manner. This technique helps to reduce flickering and improve the overall image quality on the screen.

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  • 11. 

    L__________ monitors refresh all lines sequentially from top to bottom, left to right.

    • A.

      Non-interlaced

    • B.

      Interlaced

    Correct Answer
    A. Non-interlaced
    Explanation
    Non-interlaced monitors refresh all lines sequentially from top to bottom, left to right. This means that the monitor updates each line of the display in a sequential manner, starting from the top and moving down to the bottom. This method ensures a smooth and consistent display of the content without any flickering or distortion. On the other hand, interlaced monitors refresh the lines in an alternate pattern, which can result in flickering and reduced image quality. Therefore, the correct answer is non-interlaced.

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  • 12. 

    _________ monitors are cheaper to manufacture but are now almost obsolete.

    • A.

      Interlaced

    • B.

      Non-interlaced

    Correct Answer
    A. Interlaced
    Explanation
    Interlaced monitors were cheaper to manufacture in the past, but they are now almost obsolete. This means that they are no longer commonly used or in demand.

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  • 13. 

    _________ monitors detect the frequency used by the adapter card and adjust accordingly, thus they can work with virtually any video card.

    • A.

      Interlaced

    • B.

      MultiSync

    • C.

      Non-Interlaced

    Correct Answer
    B. MultiSync
    Explanation
    MultiSync monitors are able to detect the frequency used by the adapter card and adjust accordingly. This means that they can work with virtually any video card, regardless of the frequency it operates at. This flexibility makes MultiSync monitors a popular choice for users who may have different video cards or who frequently switch between different devices.

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  • 14. 

    Narrow SCSI (50 pins) allows for __ devices on a single bus (daisy-chained), Wide SCSI (68 pins) allows for __ devices on a single bus.

    • A.

      8 & 16

    • B.

      16 & 7

    • C.

      8 & 15

    Correct Answer
    A. 8 & 16
    Explanation
    Narrow SCSI (50 pins) allows for up to 8 devices to be connected on a single bus, while Wide SCSI (68 pins) allows for up to 16 devices to be connected on a single bus.

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  • 15. 

    All SCSI devices must be assigned a SCSI ________

    • A.

      IP

    • B.

      ID number

    • C.

      OS

    Correct Answer
    B. ID number
    Explanation
    All SCSI devices must be assigned a SCSI ID number. This ID number is used to uniquely identify each device on the SCSI bus. It allows the computer system to communicate with and manage multiple SCSI devices connected to the same bus. Each device is assigned a unique ID number ranging from 0 to 7 or 0 to 15, depending on the SCSI specification being used. This ensures that there are no conflicts or overlaps in communication between the devices.

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  • 16. 

    The ________  is considered a device and it too must be assigned a SCSI ID.

    • A.

      HDD

    • B.

      SCSI host adapter card

    Correct Answer
    B. SCSI host adapter card
    Explanation
    The SCSI host adapter card is considered a device in a SCSI system and, like any other device, it must be assigned a SCSI ID. This ID is used to identify and differentiate each device connected to the SCSI bus. The host adapter card acts as an interface between the computer's bus and the SCSI devices, allowing the computer to communicate with them. Therefore, it is necessary to assign a unique SCSI ID to the host adapter card to avoid conflicts and ensure proper functioning of the SCSI system.

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  • 17. 

    SCSI ID’s are prioritized from:

    • A.

      Highest to lowest (7 being the highest, 0 being the lowest)

    • B.

      Lowest to highest (7 being the highest, 0 being the lowest)

    • C.

      Lowest to highest (0 being the highest, 7 being the lowest)

    Correct Answer
    A. Highest to lowest (7 being the highest, 0 being the lowest)
    Explanation
    SCSI ID's are prioritized from highest to lowest, with 7 being the highest and 0 being the lowest. This means that devices with higher SCSI ID numbers have higher priority in the SCSI bus.

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  • 18. 

    SCSI ID can be assigned by:

    • A.

      – Switch on device – SCSI HDD – Registry

    • B.

      – DOS – SCSI BIOS – Jumpers

    • C.

      – Switch on device – SCSI BIOS – Jumpers

    Correct Answer
    C. – Switch on device – SCSI BIOS – Jumpers
    Explanation
    SCSI ID can be assigned by switching on the device, using the SCSI BIOS settings, or by configuring the jumpers on the device. These methods allow the user to set a unique SCSI ID for each device in a SCSI chain, allowing for proper identification and communication between devices. The registry and DOS are not mentioned as methods for assigning SCSI ID, so they are not correct answers.

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  • 19. 

    Each ID must be

    • A.

      6 characters long

    • B.

      Same

    • C.

      8 characters long

    • D.

      Unique

    Correct Answer
    D. Unique
    Explanation
    The explanation for the given correct answer is that each ID must be unique, meaning that no two IDs can be the same. This ensures that each ID can be used to uniquely identify a specific entity or object. If two IDs were the same, it would lead to confusion and potential errors in identifying and referencing the correct entity. Therefore, ensuring that each ID is unique is essential for maintaining accuracy and clarity in identification.

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  • 20. 

    SCSI host adapters are usually assigned to SCSI ID:

    • A.

      0

    • B.

      5

    • C.

      7

    • D.

      3

    • E.

      4

    Correct Answer
    C. 7
    Explanation
    SCSI host adapters are usually assigned to SCSI ID 7. This is because SCSI ID 7 is typically reserved for the host adapter itself, allowing it to have the highest priority on the SCSI bus. The host adapter is responsible for controlling the communication between the SCSI devices connected to the bus, so assigning it to SCSI ID 7 ensures that it has the highest priority in the system.

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  • 21. 

    Devices at both ends of a SCSI chain must be

    • A.

      Restarted

    • B.

      SCSI Drives

    • C.

      Terminated

    • D.

      The same

    Correct Answer
    C. Terminated
    Explanation
    In a SCSI (Small Computer System Interface) chain, termination refers to the process of properly terminating the electrical signals on the bus. This is necessary to prevent signal reflections that can cause data errors and communication issues. Therefore, devices at both ends of a SCSI chain must be terminated to ensure proper functioning of the SCSI bus. Without termination, the SCSI chain may experience data corruption and communication failures.

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  • 22. 

    If there are both internal and external devices, then the host adapter isn’t terminated:

    • A.

      But the last internal device is and the last external device is

    • B.

      But the last internal device is not and the last external device is

    • C.

      Last external device is

    • D.

      But the last internal device is

    Correct Answer
    A. But the last internal device is and the last external device is
    Explanation
    If there are both internal and external devices connected, the host adapter needs to be terminated to ensure proper communication between the devices. However, only the last internal device needs to be terminated, while the last external device does not require termination.

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  • 23. 

    Termination involves the activation or insertion of a :_____ or______

    • A.

      110 ohm or 132 ohm resistor

    • B.

      110 ohm or 132 ohm capacitor

    • C.

      110 ohm or 132 ohm pod

    Correct Answer
    A. 110 ohm or 132 ohm resistor
    Explanation
    Termination involves the activation or insertion of a 110 ohm or 132 ohm resistor. Termination is a process used in electronics to prevent signal reflections and ensure proper signal integrity. By adding a resistor at the end of a transmission line, it matches the impedance of the line and reduces signal reflections. The values of 110 ohm or 132 ohm are commonly used for termination depending on the specific application and system requirements.

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  • 24. 

    Termination can be activated by:

    • A.

      – Resistor pack – Jumpers – Auto-Transmission – Front side bus – SCSI BIOS

    • B.

      – Capacitors – Jumpers – start-up – Switch on device – BIOS

    • C.

      – Resistor pack – Jumpers – Auto-Termination – Switch on device – SCSI BIOS

    Correct Answer
    C. – Resistor pack – Jumpers – Auto-Termination – Switch on device – SCSI BIOS
  • 25. 

    A device’s physical location on the bus has no bearing on which SCSI ID it uses. 

    Correct Answer
    T
    Explanation
    The statement is true because the physical location of a device on the bus does not determine its SCSI ID. The SCSI ID is a unique identifier assigned to each device on the SCSI bus, regardless of its physical position. This means that devices can be connected and disconnected from different locations on the bus without affecting their SCSI ID.

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  • 26. 

    Inserting a signal connector backward on a SCSI device will:

    • A.

      Restart

    • B.

      Nothing Happends

    • C.

      “Kill” it

    Correct Answer
    C. “Kill” it
    Explanation
    Inserting a signal connector backward on a SCSI device will "kill" it. This means that it will cause permanent damage to the device, rendering it inoperable. This is because SCSI connectors are designed to be inserted in a specific orientation to ensure proper signal flow and prevent damage. When inserted backward, the device will not function correctly and may even cause internal components to fail. It is important to always double-check the orientation of the connector before inserting it to avoid irreversible damage.

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  • 27. 

    _____________ Produce an electromagnetic field to adjust the direction of the electron beam’s point of impact, There are two coils vertical and horizontal.

    • A.

      Electron gun

    • B.

      Shadow mask

    • C.

      Deflecting coils

    Correct Answer
    C. Deflecting coils
    Explanation
    The deflecting coils are used to produce an electromagnetic field that can adjust the direction of the electron beam's point of impact. This allows for precise control over where the electron beam hits the screen. The presence of two coils, one vertical and one horizontal, suggests that the deflecting coils can control the movement of the electron beam in both the vertical and horizontal directions.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 30, 2009
    Quiz Created by
    Sickfredo
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