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The register which contains the data to be written into or read out of the addressed location is known as
- a)Memory address register
- b)Memory data register
- c)Program computer
- d)Index register
Correct answer is option 'B'. Can you explain this answer?
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The register which contains the data to be written into or read out of...
MDR register needed to read or written data into or onto memory location.
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The register which contains the data to be written into or read out of...
Memory Data Register
The memory data register (MDR) is a register in a computer's central processing unit (CPU) that stores the data being transferred to or from the addressed memory location. It acts as a buffer between the CPU and the main memory. It holds the actual data that the CPU is working with, either for input or output.
Features of MDR
The MDR is used for the following purposes:
1. Reading Data - When the CPU wants to read data from a specific memory location, it sends the memory address to the memory address register (MAR) and fetches the data from the corresponding memory location. The data is then transferred to the MDR.
2. Writing Data - When the CPU wants to write data to a specific memory location, it sends the memory address to the MAR and the data to be written to the MDR. The data is then transferred from the MDR to the corresponding memory location.
3. Data Transfer - The MDR is also used for transferring data between the CPU and other peripheral devices.
Conclusion
In summary, the memory data register is a critical component of a computer's CPU. It stores the data that is being transferred to or from the main memory, and it acts as a buffer between the CPU and memory. The MDR is essential for reading and writing data to memory and for transferring data between the CPU and peripheral devices.
The memory data register (MDR) is a register in a computer's central processing unit (CPU) that stores the data being transferred to or from the addressed memory location. It acts as a buffer between the CPU and the main memory. It holds the actual data that the CPU is working with, either for input or output.
Features of MDR
The MDR is used for the following purposes:
1. Reading Data - When the CPU wants to read data from a specific memory location, it sends the memory address to the memory address register (MAR) and fetches the data from the corresponding memory location. The data is then transferred to the MDR.
2. Writing Data - When the CPU wants to write data to a specific memory location, it sends the memory address to the MAR and the data to be written to the MDR. The data is then transferred from the MDR to the corresponding memory location.
3. Data Transfer - The MDR is also used for transferring data between the CPU and other peripheral devices.
Conclusion
In summary, the memory data register is a critical component of a computer's CPU. It stores the data that is being transferred to or from the main memory, and it acts as a buffer between the CPU and memory. The MDR is essential for reading and writing data to memory and for transferring data between the CPU and peripheral devices.
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The register which contains the data to be written into or read out of the addressed location is known asa)Memory address registerb)Memory data registerc)Program computerd)Index registerCorrect answer is option 'B'. Can you explain this answer?
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