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The registers that holds the address of the word currently being written by the CPU from the display RAM are
- a)control and timing register
- b)control and timing register and timing control
- c)display RAM
- d)display address registers
Correct answer is option 'D'. Can you explain this answer?
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The registers that holds the address of the word currently being writt...
The display address registers holds the address of the word currently being written or read by the CPU to or from the display RAM.
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Understanding Display Address Registers
In computer architecture, specifically in relation to graphics and display systems, the management of data being sent to the display is crucial. The correct answer to the given question is option 'D', which refers to the "display address registers." Here’s a detailed explanation:
What are Display Address Registers?
- Display address registers are specialized registers that hold the address of the current word being processed by the CPU from the display RAM.
- They play a pivotal role in directing which part of the display RAM is being accessed for reading or writing data.
Functionality of Display Address Registers
- When the CPU needs to write data to the display, it uses these registers to keep track of the exact memory location in the display RAM.
- This ensures that the correct pixel data is updated on the screen, facilitating smooth graphics rendering and display updates.
Why Other Options are Incorrect
- Control and Timing Register (Option A): Primarily deal with the timing and control signals in the system but do not specifically manage the address of the display RAM.
- Control and Timing Register and Timing Control (Option B): Similar to option A, these registers focus on control signals rather than maintaining address information for display operations.
- Display RAM (Option C): While this is the memory where the graphical data is stored, it does not specifically hold the address of the word currently being written.
Conclusion
In summary, the display address registers are essential for effectively managing the communication between the CPU and display RAM, ensuring that the correct data is accessed and updated on the display. This is why option 'D' is the correct choice in this context.
In computer architecture, specifically in relation to graphics and display systems, the management of data being sent to the display is crucial. The correct answer to the given question is option 'D', which refers to the "display address registers." Here’s a detailed explanation:
What are Display Address Registers?
- Display address registers are specialized registers that hold the address of the current word being processed by the CPU from the display RAM.
- They play a pivotal role in directing which part of the display RAM is being accessed for reading or writing data.
Functionality of Display Address Registers
- When the CPU needs to write data to the display, it uses these registers to keep track of the exact memory location in the display RAM.
- This ensures that the correct pixel data is updated on the screen, facilitating smooth graphics rendering and display updates.
Why Other Options are Incorrect
- Control and Timing Register (Option A): Primarily deal with the timing and control signals in the system but do not specifically manage the address of the display RAM.
- Control and Timing Register and Timing Control (Option B): Similar to option A, these registers focus on control signals rather than maintaining address information for display operations.
- Display RAM (Option C): While this is the memory where the graphical data is stored, it does not specifically hold the address of the word currently being written.
Conclusion
In summary, the display address registers are essential for effectively managing the communication between the CPU and display RAM, ensuring that the correct data is accessed and updated on the display. This is why option 'D' is the correct choice in this context.
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The registers that holds the address of the word currently being written by the CPU from the display RAM area)control and timing registerb)control and timing register and timing controlc)display RAMd)display address registersCorrect answer is option 'D'. Can you explain this answer?
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